Method for removing aflatoxins from Chinese herbal medicines

Details Method for removing aflatoxins from Chinese herbal medicines Method for removing aflatoxins from Chinese herbal medicines

2007-09-25

2007-09-25

Hoffman, Susan Coe (Department: 1655)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

Reexamination Certificate

active

11269049

ABSTRACT:
A method for removing aflatoxins from Chinese herbal medicines comprises the steps of grinding a predetermined Chinese herbal medicine and submerging it into an amount of alcohol solvent twice as much as the dry weight of the medicine and using water to flush away the alcohol solvent from the medicine after a being submerged for a predetermined period of time. The Chinese herbal medicine is then dried to reduce its water content. The above steps are repeated at least twice so as to reduce its aflatoxins under a safety level.

REFERENCES:
Klaus Reif, Wolfgang Metzger, Determination of alfaxotins in medicinal herbs and plant extracts, 1995, Journal of Chromatography A, 692, 131-136.

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