In order to evaluate pistachio contamination to Aspergillus flavus in Semnan province; samples of pistachio kernels were collected from the last processing pistachio stage in traditional and semi-mechanized processing plants in 2010. They were examined for the presence A. flavus fungi. The samples were cultured on AFPA media. All plate were incubated for 3 to 7 days. At the end of incubation pe...

background: in iran, maize is cultivated in wide areas including northern provinces. it is one of the most important crops for poultry and livestock feeding, which is susceptible to aflatoxins (afs) contamination. so, pre-harvest maize samples from mazandaran province, north of iran were analyzed for afs contamination. objective:   methods: thirty-five pre-harvest maize samples were analyzed us...

nshirt H (1969) Synthetic pharmaceutical products. In: Stahl E (ed.) Thin-layer Chromatography, p. 541. London: G. Allen and Unwin. Guinchard C, Truong TT, Masson JD and Panouse JD (1976) Migration d’acides aromatiques en chromatographie sur couche mince de gel de silice en fonction de la teneur en eau ou en acide formique de solutions creH ant l’atmosphere de la cuve à chromatographie. Chromat...

National Reference Laboratory of Veterinary Drug Residues (HZAU)/MAO Key Laboratory of Food Safety Evaluation, Huazhong Agricultural University, Wuhan, People’s Republic of China, Department of Food Technology, Faculty of Agronomy, Mendel University of Agriculture and Forestry in Brno, Brno, Czech Republic, Department of Chemistry, Faculty of Sciences, J.E. Purkinje University, Usti nad Labem, ...

Several column chromatographic methods are available for the separation of aflatoxins (l-6). Most of these procedures are elaborate and involve several steps of purification. A rapid and simple method of obtaining pure aflatoxins was reported by Steyn (5); however, with this method, we were not able to obtain pure crystalline aflatoxins B, and G1 for our experimental studies on animals. When pu...

the aim of this study was to evaluate the utility of a proficiency testing program among limited number of local laboratories as an alternative to the iupac/citac guide on proficiency testing with a limited number of participants, specially where international schemes are not accessible. as a sample scheme we planned to determine aflatoxins (b1, g1, b2, g2, total) in iranian pistachio matrix. a...

Aflatoxins, the naturally occurring mycotoxins are produced by many species of Aspergillus, a fungus, especially Aspergillus flavus and Aspergillus parasiticus. They contaminate several food commodities including cereals, peanuts and crops. Being highly toxic and carcinogenic in nature, the aflatoxins are reported to be involved in various health complications including liver cancer. This revie...

Aflatoxins are compounds with a hepatotoxic, carcinogenic, and teratogenic potential that can affect either humans or animals (MOSS, 2002; SALEEMULLAH et al., 2006; D’MELLO; MACDONALD, 2002). According to an IARC estimates (INTERNATIONAL..., 2002), aflatoxins can be considered carcinogenic to humans (group I). The conditions that promote mycotoxin production are usually more restricted than tho...

Aflatoxins are potent poisons that contaminate crops in warm regions worldwide and reduce health and economic welfare in several portions of Africa. Crops are contaminated in two phases: First, Aspergillus species infect crops during development; and second, after maturation contamination builds during exposure to warm humid conditions. Identification of the exact fungi causing contamination ca...