Citation
Iqbal, Shahzad Zafar and Asi, Muhammad Rafique and Selamat, Jinap
(2013)
Natural occurrence of aflatoxin B1 and aflatoxin M1 in “halva” and its ingredients.
Food Control, 34 (2).
pp. 404-407.
ISSN 0956-7135
Abstract
A total 431 samples including halva (56), pistachio (71), almond (63), semolina (69), cardamom (34), raisins (46), halva puri (39) and wheat powder (53) were analyzed using HPLC equipped with florescence detector. The results have shown that 32 (57%) samples of halva, 45 (63%) pistachio, 43 (68%) almond, 46 (67%) semolina, 21 (62%) cardamom, 19 (41%) raisins, 21 (54%) halva puri and 22 (42%) of wheat powder samples were found contaminated with AFB1, and 11 (20%), 23 (32%), 34 (54%), 12 (17%), 11 (32%), 7 (15%), 9 (23%) and 11 (21%) samples, respectively were above the European Union permissible limit (2 μg/kg). The results have shown that 20 (59%) samples of halva that contained milk were found contaminated with AFM1 and 3 (9%) samples were found above the recommended limit for AFM1 i.e. 0.05 μg/kg. Limit of detection (LOD) and Limit of quantification (LOQ) for AFB1 and AFM1 were 0.04 μg/kg, 0.12 μg/kg, and 0.004 μg/L, 0.012 μg/L, respectively.
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