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The dried tuber of Ophiopogon japonicus (Liliaceae). Enters the Lung, Stomach, and Heart channels. Sweet and slightly bitter, slightly cold; a cardinal herb for nourishing Lung yin, generating Stomach fluids, and clearing Heart-fire irritability. It is the chief herb in Sheng Mai San, Mai Men Dong Tang, and Zeng Ye Tang.
传统认为去心可避免令人烦闷，然现代研究显示心与不去心功效相近
增强清心安神之效，用于心烦失眠
煎服常用6–12g；养阴生津、清心除烦可用至15g。
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.
脾胃虚寒泄泻、胃有痰饮湿浊及风寒表证咳嗽者均忌服。外感初起、表邪未解者不宜单用。
性偏寒润，脾胃虚寒便溏者慎用。外感风寒咳嗽不宜，恐恋邪不解。朱麦冬含朱砂（硫化汞），不宜久服。
味甘，平。主心腹结气，伤中伤饱，胃络脉绝，羸瘦短气。久服轻身不老不饥。
上品
@misc{bencaodian-mai-dong,
author = {{Bencaodian Editorial}},
title = {Mài Dōng 麦冬 (Ophiopogon Tuber) — Ophiopogonis Radix},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/mai-dong},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
麦冬含甾体皂苷、高异黄酮和多糖，具强心、抗心律失常、抗氧化、免疫调节及降糖作用。
Ophiopogon contains steroidal saponins, homoisoflavonoids, and polysaccharides with cardiotonic, antiarrhythmic, antioxidant, immunomodulatory, and hypoglycemic effects.
麦冬皂苷改善心肌供血，动物实验显示抗心律失常及抗心肌缺血作用。
Ophiopogonins improve myocardial perfusion and show antiarrhythmic and anti-ischemic effects in animal models.
麦冬养阴润肺、益胃生津、清心除烦，为生脉散主药之一。
Nourishes yin, moistens lungs, benefits stomach, generates fluids, and clears heart irritability; a key herb of Sheng Mai San.
《中国药典》以浸出物和总皂苷含量为质量指标。
Chinese Pharmacopoeia uses extractives and total saponin content as quality markers.
This section is provided for academic reference only and does not constitute medical advice.