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  • Title: Evaluation of mycotoxins, mycobiota, and toxigenic fungi in selected medicinal plants of Khyber Pakhtunkhwa, Pakistan.
    Author: Ahmad B, Ashiq S, Hussain A, Bashir S, Hussain M.
    Journal: Fungal Biol; 2014; 118(9-10):776-84. PubMed ID: 25209636.
    Abstract:
    Medicinal plants are used worldwide to treat a variety of ailments. Due to the provenance of medicinal plants, they are subjected to contamination by moulds, which may be responsible for spoilage and production of mycotoxins. The investigation was designed to throw light on mycological and mycotoxicological status of some medicinal plants from Pakistan and the result showed 30 % and 26.7 % samples were contaminated with aflatoxins and ochratoxin A, respectively. Mould contamination was present in 90 % samples, of which 70 % exceeded the permissible limits. Opium poppy, licorice root, and Indian rennet were most contaminated samples. The predominant moulds found were Aspergillus flavus, Aspergillus niger, Aspergillus parasiticus, and Penicillium spp. and 31 % of the 47 isolates tested were found to be toxigenic. The findings indicate that the contamination in the medicinal plants may contribute to adverse human health problems. This information would prove helpful for regulatory agencies to establish limits for these contaminants in medicinal plants and will explore ways for export of herbal products to countries where more stringent permissible limits of mycotoxins exist. The study is first of its kind in the country reporting natural occurrence of mycotoxins in medicinal plants in Pakistan.
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