Kadsura longepedunculata

Traditional preparations of Kadsura longepedunculata are recorded in several ethnobotanical surveys and in the Chinese pharmacopoeia. The root is the most widely used part, and decoctions are taken for fever, rheumatism and liver‑related complaints. In the Lahu community of Xishuangbanna, Yunnan, a short‑term decoction of dried root (10 g per litre) is drunk twice daily to reduce fever (Zhang et al., 2021). The Miao people of eastern Yunnan prepare a stronger root decoction (20 g per litre, boiled 30 min) to relieve joint pain and “wind‑damp” conditions (Yan & Li, 2017). Yao healers in Guangxi use a milder tea (5 g dried root infused in 250 ml hot water for 15 min) as a liver‑tonic (Chen et al., 2020). All three sources describe the plant material as the root, and the preparations are taken as warm liquids.

A practical recipe that mirrors the Yao practice and is safe for most adults is: combine 5 g of finely chopped dried root with 250 ml of freshly boiled water, cover, and let it steep for 10–15 minutes. Strain the liquid and drink 100 ml in the morning and 100 ml in the evening. This produces a mild tea that can be stored in a sealed glass jar for up to 24 hours. Safety notes: the decoction is not recommended for pregnant or nursing women, for children under 12 years, or for people on anticoagulant medication without medical supervision. Large doses may cause mild gastrointestinal discomfort.

The root of Kadsura longepedunculata has been chemically investigated and contains a suite of dibenzocyclooctadiene lignans—schisandrin, gomisin A and deoxyschisandrin—alongside triterpenoids such as kadsuric acid and several phenolic acids. These constituents have documented antioxidant and anti‑inflammatory activity, offering a plausible mechanistic basis for the fever‑reducing and liver‑protective uses recorded in traditional practice (Wu et al., 2018).

Modern research is still exploring the hepatoprotective potential of the lignan fraction, and a few specialty herbal companies in southern China market standardized root extracts (often standardized to 3 % schisandrin). Nonetheless, the plant remains primarily a component of regional folk medicine, with modest commercial presence compared with more widely used Schisandra species.

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