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Alternate English names: jack bean jack bean

Alternate Chinese names: 刀豆子 dāo dòu zǐ; 菜刀豆 cài dāo dòu; 挟剑豆 jiá jiàn dòu; 大戈豆 dà gē dòu; 大刀豆 dà dāo dòu; 关刀豆 guān dāo dòu; 刀鞘豆 dāo qiào dòu

Kingdom: Plant

Origin in unofficial sources: Canavalia gladiata (Jacq.) DC.*; Canavalia ensiformis (L.) DC.

Use: Alimentary

Category: Qì-rectifying agents

Properties: Sweet; warm; nontoxic*.

Channel entry: Stomach and kidney channels.*

Actions and indications: Warms the center and precipitates qì. Also has a minor kidney-supplementing effect. Treats vacuity cold; hiccup; vomiting and retching; abdominal distension. It can be used for kidney vacuity and lumbar pain in combination with other medicinals.

Dosage and method: Oral: Decoct (10–15g); can be ground to a powder after nature-preservative burning.

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