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Aflatoxin B1 from Aspergillus flavus

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from Aspergillus flavus

Empirical Formula (Hill Notation):
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Quality Level

biological source

Aspergillus flavus


≥98.0% (HPLC)



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Aflatoxin B1 is a carcinogenic compound that induces transversion of G to T at codon 249 of the p53 tumor suppressor gene. Aflatoxin B1 may be used as an internal standard when testing for aflatoxin contamination in food products.

Biochem/physiol Actions

Aflatoxin B1 is a carcinogenic compound produced by Aspergillus flavus, a common soil fungus, that induces transversion of G to T at codon 249 of the p53 tumor suppressor gene. Aflatoxin B1 is a food contaminant and a hepatocarcinogen. Aflatoxin is biotransformed to genotoxic intermediates by P450 Phase I enzymes, mainly CYP3A4 via aflatoxin B1 3-hydroxylation. Detoxification depends on Phase II enzymes, such as Glutathione S-Transferase and AFB(1)-aldehyde reductase (AFAR). Aflatoxin B1 is a CYP1A2, CYP2A6, CYP2D6, and CYP3A family substrate.


Possibly carcinogenic.

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. A6636.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit


Skull and crossbonesHealth hazard

Signal Word


Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 1 Oral - Acute Tox. 2 Inhalation - Carc. 1B - Muta. 1B - Repr. 2

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Quotes and Ordering

Hajar Zolfaghari et al.
Advanced pharmaceutical bulletin, 10(3), 482-487 (2020-07-16)
Purpose: The present study was conducted to assess the ability of probiotic bacteria and yeasts strains to reduce aflatoxin B1 (AFB1) in gastrointestinal simulated conditions. Aflatoxins are potent carcinogenic and immunosuppressive agents. Acute exposure to a high level of aflatoxins
Rahul R Bhowate et al.
Journal of oral and maxillofacial pathology : JOMFP, 25(1), 110-117 (2021-08-06)
Areca nut is deeply rooted sociocultural habit in India. Areca nut reported to be infested by fungi during the field and storage conditions. Areca nut alkaloids, nitrosamines, tobacco and aflatoxin are cytotoxic, immunotoxic to red blood cell and epithelial cell.
Ilenia Siciliano et al.
Toxins, 7(3), 743-754 (2015-03-10)
Fungi belonging to the genus Alternaria are common pathogens of fruit and vegetables with some species able to produce secondary metabolites dangerous to human health. Twenty-eight Alternaria isolates from rocket and cabbage were investigated for their mycotoxin production. Five different
Agnieszka Chlebicz et al.
Probiotics and antimicrobial proteins, 12(1), 289-301 (2019-02-06)
The aim of the following research was to determine the detoxification properties of probiotic Lactobacillus sp. bacteria (12 strains) and S. cerevisiae yeast (6 strains) towards mycotoxins, such as aflatoxin B1, deoxynivalenol, fumonisins, T-2 toxin and zearalenone, which pose as
Andre Barany et al.
Animals : an open access journal from MDPI, 11(3) (2021-04-04)
Several studies in fish have shown that aflatoxin B1 (AFB1) causes a disparity of species-dependent physiological disorders without compromising survival. We studied the effect of dietary administration of AFB1 (2 mg AFB1 kg-1 diet) in gilthead seabream (Sparus aurata) juveniles


Carcinogenesis and Epigenetics

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