Saponins are distributed widely in plants, including many significant foodstuffs and medicinal plants. In traditional Chinese herbal medicine, saponin components are of special importance; many of them exhibit various interesting bioactivities. However, research on saponins has been limited to the isolation of these compounds and the determination of their structure. Pharmacological evaluation of saponins has been mainly retained at the folkloric level. The difficulty in isolation of saponins from
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