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Development of a Sample Preparation Method for Aflatoxin Determination in Thai Medicinal Plants

In Thailand, the government is now promoting sustainable development and health, particularly in the rural area. Among many strategic means employed, the use of herbal medicine has been put forward nation-wide. By increasing the proportion of herbal medicine usage, people can gain accessibility to their essential drugs, save cost on healthcare, and support domestic economy. However to achieve these ultimate goals, the public must obtain considerable evidence of both the efficacy and safety of herbal medicine [Calixto 2000].

It is well understood that medicinal plant materials, including herbal tea, if collected and stored improperly may lead to toxigenic mould growth and possibly mycotoxin contamination [Hitokito et al. 1978; Abeywickrama & Bean 1991; Roy et al. 1988; Halt 1998; Efuntoge 1999]. Unfortunately, several current analytical methods for screening and detecting mycotoxin, i.e. TLC, ELISA, when applied to herbal products often limited their performance due to highly background interference [DiProssimo & Malek, 1996; WHO 1998]. It is not uncommon in tropical countries like Thailand to get problem with mycotoxin contamination in varieties of agricultural products [Sripathomswat & Thasnakorn, 1981, Chokevivat, 2000]. Therefore, more systematic and extensive investigations on mycotoxin contamination to Thai herbal medicine may be needed, before any relevant recommendation and regulation can set off.
Project leader
Razzazi-Fazeli Ebrahim
Type of Research
Applied research
Vetmed Research Units
Institute of Animal Nutrition and Functional Plant Compounds
Projekt partner
Funded by
Asea-Uninet, , Austria
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