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Occurrence of ochratoxin A in herbal drugs of Indian origin — a report

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Abstract

This paper contains a report of occurrence of ochratoxin A in some common herbal medicines collected from different store-houses and shop-keepers of Bihar, India. Of 129 samples of 9 plants, 55 were found to be contaminated with various levels of ochratoxin A. The level of ochratoxin A was found maximal in barks ofHolarrhena antidysenterica (1.14 – 2.34 μg/g) whereas it was minimal in rhizomes ofTacca aspera (0.3 – 0.74 μg/g).Aspergillus ochraceus, A sulphureus and Penicillium viridicatum isolates obtained from drug samples were also examined for their toxigenic potentials. 19 isolates ofA ochraceus, 13 ofA sulphureus and 37 isolates ofP viridicatum were found to be toxigenic out of 67, 33, and 107 isolates, respectively. The ochratoxin A produced by Aochraceus was in the range of 0.09 to 2.44 μg/mL, byA sulphureus 0.1 to 1.76 μg/mL, and byP viridicatum 0.14 to 2.78 μg/mL of the culture filtrate.

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Authors and Affiliations

  1. Medicinal Plant Research Laboratory, University Department of Botany, Bhagalpur University, 812 007, Bhagalpur, India

    A K Roy & S Kumar

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  1. A K Roy
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  2. S Kumar
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Roy, A.K., Kumar, S. Occurrence of ochratoxin A in herbal drugs of Indian origin — a report. Mycotox Res 9, 94–98 (1993). https://doi.org/10.1007/BF03192240

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  • DOI: https://doi.org/10.1007/BF03192240

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