Abstract
The potential of certain plant extracts and biocontrol agents for the reduction of aflatoxin B 1 (AFB1) in stored rice was investigated. Among the plant extracts tested, Syzigium aromaticum (5 g/kg) showed complete inhibition of Aspergillus flavus growth and AFB1 production. Curcuma longa, Allium sativum and Ocimum sanctum also effectively inhibited the A. flavus growth (65–78%) and AFB1 production (72.2–85.7%) at 5 g/kg concentration. Among the biocontrol agents, culture filtrate of Rhodococcus erythropolis completely inhibited the AFB1 production at 25 ml/kg concentration. The other biocontrol agents, Pseudomonas fluorescens, Trichoderma virens and Bacillus subtilis showed 93%, 80% and 68% reduction of A. flavus growth and 83.7%, 72.2% and 58% reduction of AFB1 at 200 ml/kg, respectively.
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