Manual Aflatoxin and Food Safety (Food Science and Technology)

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Food Science and Technology
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  1. Aflatoxins in cereals: State of the art
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  3. Aflatoxin and Food Safety - Google книги
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  5. Aflatoxins: Finding solutions for improved food safety

Whilst aflatoxins G1 and G2 are not metabolized, aflatoxins B1 and B2 are metabolized in the mammalian liver, into aflatoxins M1 and M2 respectively and can then be excreted into milk.

Aflatoxins in cereals: State of the art

Aflatoxin B1 is also considered to be far more toxic than the rest of the aflatoxins, even permeating through human skin. Aflatoxin B1 therefore presents three important features which render it a primary target over the rest of the aflatoxins: potency, prevalence in nature and presence in milk, which justifies the regulation of only aflatoxin M1 in milk and not M2.

Taking these facts into account, it is important to therefore highlight that in instances where aflatoxin total sum is within the regulated limits, aflatoxin B1 may still easily be above legal limits. For example, a total sum reading of 3. This is often the case in cereals and dried fruit and nuts.

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In terms of aflatoxins more specifically, the EU brought forward complex legislation discriminating aflatoxin B1 from aflatoxin total sum. For infant food and animal feed, only aflatoxin B1 was regulated, whereas in all other categories both B1 and total were limited up to specific concentrations.

There is on-going global debate regarding the transfer of M1 in milk, in correlation to the B1 ingested. Concluding, it is arbitrary to check only for aflatoxin total, expecting that if results are below the limit, then the sample is safe for consumers.

Aflatoxin and Food Safety - Google книги

The more toxic and naturally abundant, aflatoxin B1 will probably be above the regulated limit. Therefore, it is necessary to test both aflatoxin B1 and aflatoxin total, regardless of whether the legislation obligates you to do so, or not. Long-term exposure to even slightly elevated levels of air pollution can be linked to accelerated development of lung damage.

Therefore effective air quality monitoring is important to minimize risks to health.

In Search of a Greener Future. Consequently, companies worldwide are putting an emphasis on developing innovative green procedures. Aflatoxin G1: Potent carcinogenic and genotoxic mycotoxins produced by Aspergillus parasiticus and other Aspergillus species. Possess toxicity and structure similar to those of aflatoxin B1. Aflatoxin G2: Mildly carcinogenic and genotoxic mycotoxins produced by Aspergillus parasiticus and other Aspergillus species.

Occur in a wide range of foods, including nuts, seeds, beans, spices and fruits.

Dihydroxy derivative of aflatoxin G1, with lower toxicity. Aflatoxin M1: The toxic, 4-hydroxy derivative of aflatoxin B1, found in the livers, kidneys, blood, faeces, urine and milk of mammals that have consumed aflatoxin B1 contaminated feeds or foods.


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Subsequently occurs in dairy products, particularly cheese, and human milk. Produced in small quantities by Aspergillus flavus and parasiticus, and can occur in corn, nuts and soybeans. Associated with liver damage and cancer. Aflatoxin M1 can be degraded by UV radiation. Aflatoxin M2: The toxic, 4-hydroxy derivative of aflatoxin B2, found in the livers, kidneys, blood, faeces, urine and milk of mammals that have consumed aflatoxin B2 contaminated feeds or foods.

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Also occurs in human milk. Aflatoxin M2 is considerably less toxic than aflatoxin M1. Produced in small quantities by Aspergillus flavus and parasiticus. Aflatoxin Q1: The 3-hydroxy derivative and major metabolite of aflatoxin B1 in humans, rats and primates. Considerably less toxic than aflatoxin B1.

Aflatoxins: Finding solutions for improved food safety

Aflatoxicosis: Mycotoxicosis caused by ingestion of aflatoxins in contaminated foods and feeds. Mycotoxicosis: Disease of humans and animals resulting from the ingestion of mycotoxins in foods or feeds. Toxins: Poisonous substances, especially those that are produced by one living organism, and are poisonous to other living organisms.

FSTA , our dedicated food science and health database, currently holds approximately 9, records related to aflatoxins, including the following examples:. Basic and Clinical Principles. Academic Press, p.


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Chapter DOI: Oxford: Wiley-Blackwell. Close menu. Start your free trial Arrange a trial for your organisation and discover why FSTA is the leading database for reliable research on the sciences of food and health. Thought for Food Blog. Overview The word aflatoxin is a relatively new term, as far as the history of named diseases go.

Related terms: Aflatoxicosis: Mycotoxicosis caused by ingestion of aflatoxins in contaminated foods and feeds. Mycotoxins: Toxins, e. Subscribe for the latest updates. TOPICS rice food safety food quality caffeine cancer cereals spices coffee agriculture immune system toxins regulations and guidance contaminants nuts gut health food production food research health.