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30th December 2022 by foodfraudadvisors

Food Safety Hazards from Food Fraud (EMA)

Updated 31st December, 2022

Are you confident in your FSMA preventive controls for hazards from food fraud?

This post is for you if your company manufactures food in the USA or exports food to the USA.

Food companies in the USA must comply with food safety regulations that require them to identify and address hazards from economically motivated adulteration (EMA), a type of food fraud.

In this post you can learn what EMA is and how to identify food safety hazards from EMA.  You can also discover what type of preventive controls are best for EMA hazards.

Definitions

EMA is short for economically motivated adulteration which is a type of food fraud.  Other types of food fraud include counterfeiting, making false claims (for example, fake ‘organic’ food) and species substitution (for example, selling cheap white fish labelled as snapper).

“Economically motivated adulteration (EMA) occurs when someone intentionally leaves out, takes out, or substitutes a valuable ingredient or part of a food. EMA also occurs when someone adds a substance to a food to make it appear better or of greater value.” (US FDA)

FSMA denotes the Food Safety Modernization Act (USA). is a set of rules for food manufacturers. Under the rules, food manufacturers must assess food safety hazards and implement preventive controls. The US Food and Drug Administration (FDA) is responsible for the enforcement of the rules.  If your company is outside the USA but exports to the USA, you must also comply with the FSMA rules.

Hazards are chemical, physical and biological agents that may be present in food and that are capable of causing harm to consumers of the food.  (Find the official FDA definition here)

Preventive controls are procedures and systems that are designed to ensure that food safety hazards are prevented or minimized to an acceptable level.

Rules for food fraud (USA)

FSMA requires that preventive controls are implemented by food manufacturers to prevent hazards to human health.  The relevant regulation is called the FSMA Final Rule for Preventive Controls for Human Food, and is commonly known as the Preventive Controls Rule.

The Preventive Controls Rule requires food manufacturers to identify and control hazards that could arise from:

  • natural occurrences (for example, some raw meat products naturally contain certain human pathogens);
  • unintentional contamination (for example food may be accidentally contaminated with a pesticide during a pest control treatment), and
  • economically motivated adulteration (EMA).

After food manufacturers have identified the hazards, they must minimize or prevent the hazards by creating and implementing preventive controls in their food manufacturing operations. These are procedures and systems that are documented and that include monitoring, corrective actions systems and verification activities.  The preventive controls form part of the food manufacturer’s food safety plan.

Learn more about the preventive controls rule on the FDA’s preventive controls guidance webpage.

A separate part of the FSMA rules also requires food manufacturers to create and implement systems to prevent intentional, malicious adulteration.  The FDA calls this type of adulteration Intentional Adulteration (IA). It is different from economically motivated adulteration.  Intentional adulteration prevention is also known as food defense.  Click here to learn more about food defense.

Hazards are chemical, physical and biological agents that may be present in food and that are capable of causing harm to consumers of the food

Examples of hazards from economically motivated adulteration (EMA)

Economically motivated adulteration (EMA) is a subset of food fraud.   Food fraud includes many types of deception carried out for the purposes of economic gain.  It includes activities such as mislabeling (for example, making false claims about the geographical origin of a food product) and other fraudulent activities that do not involve the adulteration of food.

Economically motivated adulteration is a type of food fraud in which a person has added a substance to food to enhance its apparent value or profitability.  Often the added substance will boost the apparent quality or appearance of the food, other times the substance will be a diluent, which dilutes or replaces the genuine material with a cheaper material, thereby increasing the profitability of the resulting mix.

Food businesses are required by law to about hazards that may be in their products and must create and implement systems that will prevent, minimize or eliminate those hazards.  The systems must be documented in a food safety plan.

Economically motivated food fraud (EMA) happens when food fraud perpetrators add materials to increase the apparent value of the food or to extend its shelf life in an undeclared or unlawful manner.  Materials that are added to make food or ingredients seem bigger, or heavier include water and other liquids, or fillers and bulking agents, such as starches, husks or sawdust.  Adulterants that are added to make food look better include unauthorised colorants, glosses and glazes.  Adulterants that extend shelf life include non-approved preservatives.

The food safety risks from such adulterations include acute or chronic chemical poisoning, allergenic reactions, and microbial illnesses from pathogens introduced during the adulteration processes.

Example: Unauthorized color in turmeric

A significant proportion of powdered turmeric traded worldwide contains unsafe levels of lead.  Researchers in Bangladesh have confirmed that the lead is added to the spice in the form of toxic lead chromate which has an intense yellow-gold color, the color favoured by turmeric traders and buyers as an indicator of freshness and quality.  Curry powder, cumin and cinnamon have also been affected.  A survey of more than 1496 samples of 50 spices from 41 countries found that 50% of the spice samples had detectable lead, and more than 30% had lead concentrations greater than 2 ppm, a level that is 200 times higher than the recommended maximum lead content of candy in the USA.  Lead is a potent neurotoxin that damages organs including the brain.

Example: Undeclared peanuts in chopped hazelnuts

Peanuts are cheaper than most other nuts which makes them an attractive ‘filler’ or bulking agent in chopped nuts, powdered nuts and nut pastes.  When a food fraud perpetrator adds peanuts to a tree nut product, they gain more profit than if they sold a pure paste or powder.  In Germany in 2017, authorities found bulk quantities of chopped hazelnuts adulterated with 8% chopped peanuts.  The chopped hazelnuts were sold as ‘pure’ hazelnuts and did not declare any peanut ingredients on the label.  Because peanuts are a regulated human food allergen, their presence in the hazelnut product presented a serious food safety hazard.

 

How to identify hazards from economically motivated adulteration (EMA)

Follow the five steps below to identify hazards from EMA food fraud for your food manufacturing preventive controls plan.

  1. For each raw material that your company purchases to use in the food manufacturing process, investigate whether economically motivated adulteration is likely to occur within the supply chain.  Ask yourself: could adulterants be present in the raw material when it is purchased?  Learn how to investigate susceptibility to food fraud here.
  2. For each raw material and each finished product your company makes, also investigate whether economically motivated adulteration could occur inside your manufacturing facility or storage areas.  This is sometimes known as ‘insider activity’.
  3. After you have understood whether adulteration is likely to occur for each raw material, make a list of adulterants that could be added to each of the susceptible foods.   Historical records of past incidences of food fraud provide the best indication of the types of adulterants that can be expected in different foods and ingredients.  This page has a list of databases you can use to find historical records. .
  4. For each possible adulterant, make a note of whether it could be hazardous to human health if present in the food.  As an example, olive oil is commonly adulterated with (non-olive) vegetable oils.  That type of adulteration is unlikely to be hazardous and as such it would not require a preventive control under the FSMA rules*.   Document your decisions and justifications for such.
  5. Add the economically motivated hazards you have identified to your company’s food safety plan.  Implement preventive controls for each hazard.  Supplier approvals programs are commonly used for control of economically motivated hazards in incoming raw materials.

Need to learn more about food fraud prevention?  Visit our online training school.  Courses start at just US$29.

*Even if not strictly required under FSMA rules, it is always a good idea to prevent any type of food fraud from affecting your products.  This will protect your company and brand as well as your consumers’ health.

 

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Filed Under: Adulteration, Regulatory

21st April 2019 by foodfraudadvisors

Secrets of the horsemeat scandal

How did the enactment of an obscure transport law in Eastern Europe change the face of food manufacturing forever?  Karen Constable investigates the link between Romanian road rules and the horsemeat scandal.

More than six years after it first made headlines, the series of incidents that became known ‘horsegate’ continues to impact the global food industry.  It began in January 2013, when Irish authorities revealed they had discovered horsemeat in burgers that were supposed to contain 100% beef.  The discovery sparked a frenzy of testing and soon horsemeat was being discovered in dozens of different products in countries all over Europe and beyond.  The sheer scale of the contamination sent shock waves through the food manufacturing world.  Occurring five years after the melamine in milk powder scandal of 2008, which sickened over 300,000 babies in China, this incident was unfolding much closer to home for food manufacturers in Europe.  It was a wakeup call for our industry: we could no longer pretend that food fraud of a similar scale and impact as the melamine milk scandal could not happen in the western world.

Numerous massive recalls

The scandal resulted in market withdrawals of tens of millions of food products across Europe, millions of euros of lost business and multiple prosecutions.  Consumers’ trust in manufactured food plummeted and sales of frozen hamburgers and frozen ready meals dropped by 43% and 13% respectively in the United Kingdom in the month following the first product withdrawal.

Multiple investigations

Despite some media reports claiming that the first horsemeat discovery was the result of ‘routine’ testing, it is now known that the scandal was uncovered almost by accident.  As strange as it may seem to the wider community, it is unusual for food manufacturers and regulatory authorities to test foods for materials that are not expected to be present.  This is, of course, how the perpetrators of the Chinese melamine fraud could conduct their activities on such a large scale for what is thought to be a significant length of time.  The original horsemeat tests were conducted by the Food Safety Authority of Ireland because a sharp-eyed inspector had noticed a discrepancy between packaging and labelling of frozen meat.

As the investigations began it became apparent that law enforcement and regulatory authorities were ill-equipped to manage the complex cross-border issues that arose.  Supply chains seemed hopelessly complicated to unravel, with on-paper ownership of meat often disconnected from the physical whereabouts of the food.  By the time the scandal was declared over, investigators had identified at least three entirely separate supply chains involving different slaughterhouses, traders, processors and criminals.

Beef an easy target

Horsemeat and beef meat are similar in appearance, texture and flavour.  Yet the European market for horsemeat is relatively small compared with beef; it is not consumed by people in many Western European cultures. For unscrupulous merchants, however, horsemeat’s abundance and low price made it the perfect substitute for beef.   With access to a cheap, abundant adulterant, the criminals appeared to have an easy job of it.  It was so easy, in fact, that swapping horse for beef appears to have been a long-term business plan for at least one of the meat traders involved in the scandal, Jan Fasen.  Fasen had been convicted and jailed for a similar fraud in 2007.  The name of his company, Draap, is the Dutch word for horse spelt backwards.

In 2019, Fasen and his partner Hendricus Windmeijer were convicted of false labelling by a court in Paris for their role in the supply of 500 tons of meat to ready-to-eat meal-maker Comigel in France in 2012 and 2013.

Complex supply chains

Much of the horsemeat found in the affected products originated in Romania, the by-product of a unique set of circumstances which affected the availability and price of horse meat in that country.  Six years prior to the scandal, a law had been passed banning horse drawn vehicles from the streets of cities and towns in Romania.  Within a few years there was a surplus of unwanted horses, with abandoned animals roaming city streets and parks.  The horses were rounded up and exported to slaughterhouses in neighbouring countries where they were slaughtered for legitimate human and pet food.  By 2007, however, concerns about the spread of equine infectious anaemia, a disease which was endemic in Romania, resulted in a ban on the trading of live Romanian horses.  With live exports stopped, there was nowhere for the horses to go.  Enterprising local businessmen built their own slaughterhouses in Romania and began to export horse meat to Europe.

Draap Trading, a company operated from Belgium and registered in Cyprus, was among those that purchased Romanian horsemeat.  It shipped the meat to the Netherlands where it was re-labelled as beef.  From there it was sold to legitimate meat processors, including one in France who supplied the factory in Luxembourg that manufactured lasagne and spaghetti bolognese for Findus and Aldi.

Separately, a French meat processing company, À la Table de Spanghero was also purchasing horsemeat from Romania and selling it to food manufacturers labelled as beef.  The former director and manager of Spanghero were convicted for their crimes in Paris in April 2019, with the former director being jailed for his role in the saga.

Romania was not the only source, however: the burgers at the centre of the initial discovery in Ireland contained horsemeat that came not from Romania but from Britain, Germany and Poland, via another Dutch trader, Willy Selten.  In 2015 Selten was jailed for 2.5 years for crimes related to the fraudulent supply of horsemeat in 2011 and 2012.  In November 2016 he was ordered to pay €1.2m – the estimated proceeds of his crimes – to the Dutch government.

A long history of horsemeat adulteration?

Given the history of Selten and Fasen, it seems likely that undeclared horse was present in the European food supply for many years, remaining undetected and causing no apparent harm to consumers.  We will never know whether those responsible considered the safety of consumers when planning their crimes.  We do know that unsafe adulterants are more likely to be detected, which makes them less attractive to fraudsters.  Certainly, in the melamine scandal in China, just a few years prior, consumer harm played an important role in the detection of the fraud.  In that case, it is likely that low levels of melamine had been added to milk powder and other products for many months or years without causing any immediate or obvious harm to anyone.  It is thought that the concentration of melamine in baby formula increased in 2007 and 2008 and it was the higher levels that caused kidney problems in babies.  The fraud was uncovered by authorities investigating the illnesses.  Perhaps the extra melamine had been added by mistake, or perhaps the fraudsters got greedy.  Either way, the adulteration was costly for the criminals as well as their victims: two of the people responsible were executed by firing squad in China in 2009.

During the horsemeat fiasco, and to the relief of the entire industry, no person was sickened or injured by the presence of horse in ‘beef’ products.  There was, however, a major health scare: horsemeat can contain veterinary drugs, including phenylbutazone – “bute”, which can be harmful to human health.  It was a lucky coincidence that the overwhelming majority of the contaminated products proved not to contain phenylbutazone.

From horse and beef to chicken, donkey and buffalo

As investigators worked behind the scenes, public events in the European food industry took on the appearance of collapsing dominoes: first was the withdrawal of 10 million burgers by Tesco, Lidl, Aldi, Dunnes Stores and Iceland in United Kingdom.  Tesco lost £300m in market value overnight.  In the following weeks, Asda also removed tens of thousands of products from its shelves; Tesco and Aldi extended their withdrawal from burgers to ready meals; Waitrose withdrew meatballs because of fears they might contain pork; slaughterhouses in Yorkshire and Wales were raided by regulatory authorities; the scandal spread to France and multiple arrests were made on both sides of the English Channel.

By the end of March 2013, authorities had found horse labelled as beef in three Polish factories; equine DNA had been found in chicken nuggets in Greece; water buffalo and donkey had been found in South African burgers and more big brands, including Ikea, Birdseye and Nestle had been affected with their products withdrawn from markets in Cyprus, Belgium, Spain and Czech Republic.

By year’s end, Tesco’s annual profits had fallen by 52%.  Consumer trust in large food manufacturers and retailers was at an all-time low: British consumer organisation ‘Which?’ reported that sixty percent of consumers had changed their shopping habits because of the scandal.

Standards updated

The British government commissioned Professor Chris Elliott to review and report on the implications of the horsemeat contamination for the British food industry.  The Elliott review, as it became known, resulted in the creation of a special food fraud crime unit in that country and the development of a range of other collaborative enterprises across Europe including special functions within the European Joint Research Council (JRC) and food-focussed operations by Interpol known as Operation Opson, now in its sixth year.

The food safety community, initially shocked and alarmed at the potential safety implications of the adulteration soon began a period of discussion and introspection, which often centred around the unspoken question ‘What if the meat had been dangerous?’.  The scandal broke at a time when the GFSI food safety standards were consolidating their revered positions at the pinnacle of ‘best practice’ manufacturing: the standards were being strengthened, lengthened and broadened.  Audit durations were increasing, auditor qualifications and certification systems had become more stringent and standards for packaging, storage and distribution had been upgraded.  And yet these GFSI-endorsed food safety management systems, considered to be the gold-standard for food manufacturing and administered with the strictest oversight, had revealed an Achilles heel the size of Bucharest.   The GFSI promptly created the ‘Food Fraud Think Tank’ to address the gaps and suggest solutions.  This resulted in changes to GFSI’s guidance for food safety standards, with GFSI-endorsed standards being updated to reflect the updated guidance.  The new guidance requires food businesses to formally address the risks from fraudulently adulterated ingredients when they design their food safety management systems.

The food safety landscape had changed, seemingly overnight, from one that was focussed almost exclusively on unintentional or natural contamination to one that requires food manufacturers to consider, control and prevent more unpredictable and sinister events.

In the wake of these changes, a new discipline of food study has appeared.  It is now possible to study food fraud at prestigious educational institutions, attend international conferences devoted to the topic and tune in to webinars conducted by specialists in compliance, legislation and testing.  Analytical chemistry researchers are developing ever-more sophisticated test methods for detecting adulterants.  Food businesses large and small are developing better systems to prevent, deter and detect economically motivated adulteration within their supply chains.

Food manufacturers are slowly regaining the trust of consumers, helped by the visible presence of enforcement operations and government initiatives such as the United Kingdom’s Food Crime Unit and Interpol’s Operation Opson in Europe as well as the Food Safety Modernisation Act (FSMA) in the United States.

And what of the adulterated beef?  We can only guess at how many tonnes of it was eaten by unsuspecting consumers in countries all over Europe before the scandal broke.  Contaminated product that was withdrawn from the market – tens of millions of units – was destroyed; either buried in landfill or used as animal feed.  It seems a sad and wasteful journey for the unwanted horses of Romania; a journey conceived by men who wanted to be rich and one that ultimately changed the face of food manufacturing forever.

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Filed Under: Adulteration, Food Fraud, Food Safety, Impact of Food Fraud, Supply Chain, Traceability

19th October 2018 by foodfraudadvisors

Raw Material Specifications

Raw material specifications are an important defence against food fraud for all food businesses.  Whether you are a restaurant, a specialty grocer, delicatessen, central kitchen, hotel or manufacturer, you are susceptible to food fraud.  Robust specifications can help to protect your food business from inadvertently purchasing, using or serving fraudulent ingredients and raw materials.  They can also help to protect your business from the financial fall-out if things go wrong.

Fraudulent materials include:

  • adulterated food ingredients, such as melamine added to milk powder to increase the apparent protein content
  • diluted food, such as dried oregano leaves diluted with cheaper leaves
  • substituted food, such as a cheaper grade of olive oil being substituted for virgin
  • counterfeit food, such as ‘fake’ premium vodkas and brandies
  • misrepresented food, such as conventionally grown vegetables that are sold as organic
  • packaging materials made with unauthorised additives, such as banned phthalates

Modern Dairy food-processing industry Worker On A Milk Factory

Specifications for raw materials and ingredients should contain the following information:

  1. Name of the material
  2. A description of the material, including biological, chemical and physical characteristics
  3. Composition of the material, including additives and processing aids
  4. Country of origin
  5. Method of production
  6. Packaging format/s or unit of measure
  7. Delivery method/s
  8. A description of the labelling, lot ID and coding for traceability
  9. Storage conditions and shelf life
  10. Preparation and/or handling before use
  11. Acceptance and rejection criteria
  12. Requirements for certificates of analysis for high risk materials or vulnerable materials
  13. Special requirements such as allergen information, organic status, GMO status, fair-trade and ethical sourcing policies
  14. Information about compliance with statutory and regulatory requirements, where relevant
  15. A requirement for suppliers to notify of any authenticity issues with the product
  16. A requirement for suppliers to notify of any changes to the product
  17. Formal agreement between the supplier and purchaser
  18. Document control features, such as author, date and page numbers.

Download our excellent template today

How to develop a raw material specification:

  • Create a template that suits the needs of your business.  A tabular format is easy to work with.  Include all of the sections above, even if you don’t think you will use them now, or if they are not relevant to some of your materials.  You can always leave them blank.
  • You should create a separate specification for every unique material, do not create category-level specifications.
  • Obtain product specifications from your suppliers and use them to add key criteria to your specifications.
  • Add any extra criteria that will help you to control the quality, safety and authenticity of your products.  It is useful to imagine that you are receiving the material at your door or loading dock; what would you like to know about the material before you accept it? For example: Is it at the correct temperature?  Is it properly labelled?  Is the packaging undamaged with no evidence of tampering?  Is the material free of undeclared allergens?  Does it have the fat content you expect?  Has it been aged (meat) for as long as you expect?  Is it free from salmonella?  Use these questions to check that you have included all important criteria in your specification.
  • Don’t forget to include requirements for suppliers to have a food safety certificate, licence, approval or registration, where relevant.
  • If you are purchasing materials under fixed supplier contracts (as would be the case for  food manufacturers), the draft specifications will need to be approved by your purchasing department and by the suppliers themselves before they can be formally issued and implemented.
  • Review each specification at least annually and update the issue/review date.

Need help?

Contact Us Today

Our food safety and authenticity experts can develop your purchasing specifications. Click here for a free introductory consultation.

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Filed Under: Learn, VACCP

30th September 2018 by foodfraudadvisors

Five things every food safety professional should know about food fraud

1. Food fraud is in the spotlight

Food fraud has been around for thousands of years but has become more prominent in the food safety and food certification industry in the last few years, following the European horse meat scandal of 2013.  Although no food safety problems arose during that incident, it was realised that similar incidences could have serious impacts on food safety.  For that reason, food fraud prevention requirements were introduced into all major food safety management system standards between 2017 and 2020.

2. New terminology

Definitions related to food fraud and food integrity have been refined in the last five years and there is now consensus on the four key terms below, although the term food security still causes confusion.

food fraud,defense,safety,security

  • Food safety relates to issues of unintentional contamination, with the aim of reducing exposure to naturally occurring hazards, errors and failures in food systems.
  • Food fraud was defined by  Spink and Moyer (2011) as “a collective term used to encompass the deliberate and intentional substitution, addition, tampering, or misrepresentation of food, food ingredients, or food packaging; or false or misleading statements made about a product for economic gain.”  More recently that definition has been updated to capture all types of food crime: Food fraud is deception, using food, for economic gain (Food Fraud Initiative, Michigan State University).  Within food fraud there are types of fraud that involve tampering with the food by adulterating or diluting the food.  This type of fraud is sometimes called ‘economically motivated adulteration’ (EMA).  Other types of fraud that do not involve adulteration are also deemed to be ‘food fraud’.  These include black market and grey market sales, theft, illegal importing, avoidance of tax and counterfeiting.
  • Food defence is a term that has come to be defined as the effort to prevent acts of adulteration that are intended to cause harm to a food business or to consumers, such as acts of terrorism or attempted extortion.
  • Food security is unrelated to food fraud but is instead an issue of food supply and food access for populations who are under threat from food shortages.

Other terms to know:

  • Vulnerability assessments are assessments of vulnerability to food fraud, either at the raw material, product or facility level.  Within the USA the term vulnerability assessment can also refer to a food facility’s vulnerability to malicious tampering of product on its site, either by its own employees or external forces.   Learn more about vulnerability assessments.
  • Horizon scanning is the act of looking for and analysing threats and opportunities that will emerge in the medium to long term.  Within the food industry, horizon scanning means the act of collecting information about current trends and predicted incidences that could increase the likelihood of food fraud for a particular food material.  For example, climate change is likely to reduce coffee production which could drive up prices and increase fraudulent activity in that sector.
Coffee,authentic,fraud,horizon scanning
Coffee harvests are being affected by climate change

 

3. Food safety standards have become more rigorous

Food fraud prevention and mitigation measures are now a requirement of all major food safety management system standards.  The Global Food Safety Initiative (GFSI), a group of food companies whose mission is to harmonize, strengthen, and improve food safety management systems around the globe, sets guidance for food safety standards.  Well known GFSI standards include BRC, FSSC 22000 and SQF.  Between 2015 and 2017, all GFSI food safety standards were updated to include requirements for food companies to perform a food fraud vulnerability assessment and have a food fraud mitigation plan in place.   Click here for the GFSI Food Fraud Position Paper.

The new requirements for vulnerability assessments and mitigation plans require more resources for most food businesses, particularly those with large numbers of raw materials and suppliers.

4. There are new regulatory requirements for food businesses

The Food Safety Modernization Act (FSMA) in the USA has been implemented for most food businesses in the previous few years.  Within the FSMA rules, food businesses are required to address hazards from adulterants introduced for the purposes of economic gain.  These must be included in food safety hazard analyses and if hazards are found, preventive controls must be implemented.  This means that economically motivated adulteration (EMA), a subset of food fraud, must be addressed under the new FSMA rules.

The Food Safety Modernization Act (FSMA) also includes specific requirements for ‘food defense’ which are aimed at preventing malicious adulteration and tampering as well as fraudulent adulteration.  This is known as the Intentional Adulteration (IA) rule.  The IA rule is being progressively implemented in the USA.  FSMA rules for IA will also be enforced internationally for all food facilities that manufacture food for export to America.  Click here for US FDA’s food defense guidance

food defense,vulnerability assessment,FSMA,
All American food companies will be required to have a food defense plan

 

5.  Detection of food fraud remains a challenge, despite new lab techniques

Our ability to detect food fraud has improved over the last few years, but challenges remain.  There are many technologies available, from traditional ‘wet’ chemical tests to spectroscopy and chromatography to modern forensic DNA methods.   Protein isoelectrofocusing (a type of electrophoresis) is a conventional test that provides information about the source of various milk proteins in a cheese and can be used to detect cows milk in “buffalo milk” mozzarella, for example.  PCR (polymerase chain reaction) techniques, in which a cow milk-specific gene is amplified and detected are being developed for cheese testing and they are claimed to be more specific.

Coffee variety testing has traditionally been done using Fourier transform infrared spectroscopy, a method that exploits the different amounts of chlorogenic acid and caffeine in robusta and arabica varieties.  However, a new method that exploits the different mitochondrial genetic markers in the two varieties will soon be able to achieve the same results quickly and easily in the field with ‘lab on a chip’ technology.

Researchers looking for fraudulent aloe vera can exploit its distinctive NMR (nuclear magnetic resonance) profile, due to the position of acetate groups within a key polysaccharide in the plant.  The NMR profile represents a ‘fingerprint’ for aloe vera.

Another type of ‘fingerprinting’ is based on the spectra created by different ratios of stable isotopes.  For example, it is possible to tell the difference between corn-fed and wheat-fed chicken, using stable isotope ratio mass spectrometry by comparison with databases of reference samples.  This method has also been used to check provenance claims for meat and wine products.

Authentic beef mince
What meat is that?

 

Despite the surge in technology surrounding food fraud detection, it remains difficult to detect fraudulent adulteration unless you know what you are looking for.  As an example, DNA testing can be used to determine if beef mince has been made from a cow but can’t tell me whether it has been adulterated with undeclared beef offal.  Olive oil that is suspected of having been adulterated with other edible oil can easily be tested for such adulteration in a lab test, but verifying its country of origin is more difficult.  Adulteration of ‘arabica’ coffee with the cheaper robusta variety can be detected with a simple test but that same test will not disclose whether ground coffee has been adulterated with cheaper fillers such as corn, soybean or wheat, a practice which is common in some markets.  There are now a number of ‘fingerprinting’ techniques that are designed to ‘flag’ any sample that is not authentic, no matter what the adulterant, however they can only be used if there is already an extensive database of authentic samples with which to compare the suspect sample.  Australian honey brand owners who were caught with supposedly inauthentic honey in an NMR-based fingerprint test claimed that the database used in the testing, which was done in Germany, was not suitable for testing Australian honeys.  Read more about the Australian honey scandal.

We have a lot of tools in our arsenal to answer questions about fraudulent food but those tools are only useful if we ask the right questions.

Need to learn more?  Want practical advice from expert food scientists? Click here for a free introductory consultation.

 

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Filed Under: Food Defense, Food Fraud, Food Safety, Learn, VACCP

6th May 2017 by foodfraudadvisors

Food Fraud Risk Database

It’s huge, it’s completely free and open-access; no log-in required.  It’s our

Food Fraud Risk Information Database

Compiled by food fraud experts and containing information about hundreds of different food types, including past incidences of food fraud and emerging threats, you can use it to meet the requirements of your food safety management system, for

  • food fraud vulnerability assessments,
  • food safety risk assessments
  • hazards from intentional adulteration requiring preventive controls (FSMA)
  • pre-filtering and
  • horizon scanning for emerging threats

You can choose to ‘watch’ the database to receive notifications every time new information is added.  You can also watch individual food types (say “Beef”) to receive updates for just that food type.

Access is free, although if you want to receive notifications you will need to create a (free) Trello account.  We do not receive income from Trello for new sign-ups.

Check it out today

food fraud risk database
Food Fraud Risk Information database, created by Food Fraud Advisors, hosted by Trello.com

 

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Filed Under: Food Fraud, Horizon Scanning, VACCP

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