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The dried nearly ripe fruit of Chaenomeles speciosa (Rosaceae). Enters the Liver and Spleen channels. Sour and warm, its sour flavor enters the Liver, where it excels at relaxing sinews and unblocking network vessels. It is the key herb for wind-damp impediment pain, sinew-vessel contracture, and leg qi with cramping. It must be strictly distinguished from the edible papaya (Carica papaya) of the Caricaceae family.
舒筋活络，和胃化湿
缓和酸敛之性，偏于和胃止呕
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.
胃酸过多者不宜。内有郁热、小便短赤者忌用。
味酸入肝，舒筋活络，为治湿痹筋脉拘挛、脚气转筋之要药。药用宣木瓜（Chaenomeles speciosa）非食用番木瓜（Carica papaya），两者科属、功用迥异。
木瓜，治脚气冲心，腹胀不仁，筋脉拘挛，足胫肿痛。
@misc{bencaodian-mu-gua,
author = {{Bencaodian Editorial}},
title = {Mù Guā 木瓜 (Chinese Quince Fruit) — Chaenomelis Fructus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/mu-gua},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
木瓜（Chaenomeles）含有机酸、三萜酸及黄酮，具抗炎、解痉、舒筋活络及保肝作用。
Chaenomeles fruit contains organic acids, triterpene acids, and flavonoids with anti-inflammatory, antispasmodic, muscle-relaxing, and hepatoprotective effects.
木瓜酸温入肝脾，舒筋活络化湿和胃，为湿痹腰腿痛常用。
Sour and warm, entering liver and spleen — relaxes sinews, activates channels, transforms damp, and harmonizes stomach; common for damp-bi.
齐墩果酸具保肝作用；有机酸缓解肌肉痉挛。
Oleanolic acid is hepatoprotective; organic acids relieve muscle spasm.
《中国药典》以齐墩果酸和熊果酸总量（不少于 0.50%）为质量指标。
Chinese Pharmacopoeia specifies combined oleanolic and ursolic acid (≥0.50%) as the quality marker.
This section is provided for academic reference only and does not constitute medical advice.