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Decrease of aflatoxin B1 in yoghurt and acidified milks
J L Rasić1, M Skrinjar, S Markov
1Faculty of Technology, University of Novi Sad, Yugoslavia.
Mycopathologia
|February 1, 1991
Abstract:
Fermentation of yoghurt and acidified milks containing aflatoxin B1 (AB1) were studied. AB1 added to milk before fermentation at concentrations of 600, 1000 and 1400 micrograms/kg was reduced in yoghurts (pH 4.0) by 97, 91 and 90%, respectively. Coagulation time was approximately the same as in the controls. Streptococci had longer chains than those in the controls. The main decrease of AB1 occurred during the milk fermentation. A decrease of AB1 (conc. 1000 micrograms/kg) in milks acidified with citric, lactic and acetic acids (pH 4.0) was 90, 84 and 73%, respectively.