Dangyao (Swertia, "Hepatitis Herb") and Dangfei Ligan Ning Tablets, a Good Liver Medicine
Dangyao is an uncommon Chinese herbal medicine, the dried whole herb of Swertia tosaensis (Gentianaceae). Because it bears purple flowers, it is also called Zihuadi dang. Dangyao was originally a folk herb used by Mongolians, who call it digeda; in Mongolian "digeda" means bitter—a name…
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