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The dried rhizome of Polygonatum odoratum (Liliaceae). Enters the Lung and Stomach channels. Sweet and slightly cold, it nourishes yin, moistens dryness, generates fluids, and stops thirst. Mild and non-cloying, it is a gentle yin tonic suitable for long-term use.
养阴润燥
煎服
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
痰湿内蕴、脾虚便溏者不宜。
一般安全，性味平和，为阴虚常用之品。
味甘，平。主中风暴热，不能动摇，跌筋结肉，诸不足。久服去面黑，好颜色，润泽，轻身不老。
上品
@misc{bencaodian-yu-zhu,
author = {{Bencaodian Editorial}},
title = {Yù Zhú 玉竹 (Solomon's Seal Rhizome) — Polygonati Odorati Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/yu-zhu},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
玉竹含多糖、甾苷及黏液质，具有降血糖、提高免疫力、抗氧化及心肌保护作用。
Yu zhu contains polysaccharides, steroidal glycosides, and mucilage; demonstrates hypoglycemic, immunoenhancing, antioxidant, and cardioprotective effects.
《中国药典》收载玉竹，以多糖含量为质量控制指标。
Listed in Chinese Pharmacopoeia with polysaccharide content as quality control marker.
This section is provided for academic reference only and does not constitute medical advice.