aflatoxins in black tea in iran.aflatoxins (afs) are highly toxic, and carcinogenic secondary fungal metabolites and have been detected in various food commodities. in this regard, 40 black tea samples including domestic and imported black tea were analysed for aflatoxin contamination by high-performance liquid chromatography using a post-column derivatisation procedure (kobra cell) with fluorescence detection. samples were randomly collected in 2010 from tehran markets. the results revealed that 30 among 40 samples were conta ...201324779878
mutagenicity assessment of drinking water in combination with flavored black tea bags: a cross sectional study in tehran.diseases related to water impurities may present as major public health burdens. the present study aimed to assess the mutagenicity of drinking water from different zones of tehran, and evaluate possible health risks through making tea with tea bags, by ames mutagenicity test using ta 100, ta 98 and yg1029 strains. for this purpose, 450 water samples were collected over the period of july to december 2014 from 5 different zones of tehran. except for one sample, no mutagenic potential was detecte ...201526625748
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