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The dried mature pericarp of Citrus reticulata and its cultivars (Rutaceae). Enters the Spleen and Lung channels. Pungent, bitter, and warm, aged specimens are preferred (hence the name 'aged peel'). It is the primary herb for regulating qi, fortifying the Spleen, drying dampness, and transforming phlegm. Paired with ban xia it forms the core of Er Chen Tang for phlegm disorders.
理气燥湿化痰之力较强
缓和燥性，增强健脾和胃之功
煎服3–10g；理气健脾可用3–6g；化痰止咳可用6–10g。陈久者良，陈放三年以上称“陈皮”。
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.
气虚体燥、阴虚燥咳及吐血者慎用。温病热证者忌用。
辛温香燥，阴虚津亏、内热燥渴及咯血者慎用。现代研究未见明显毒性，但过量或长期使用可耗气伤津。
橘柚，味辛，温。主胸中瘕热逆气，利水谷。久服去臭，下气，通神。
上品
@misc{bencaodian-chen-pi,
author = {{Bencaodian Editorial}},
title = {Chén Pí 陈皮 (Aged Tangerine Peel) — Citri Reticulatae Pericarpium},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/chen-pi},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
陈皮含挥发油（柠檬烯）、黄酮类（橙皮苷、川陈皮素、橘皮素）及微量辛弗林，具有促胃肠动力、祛痰、抗炎及抗氧化作用。
Citri reticulatae Pericarpium contains essential oil (limonene), flavonoids (hesperidin, nobiletin, tangeretin), and trace synephrine, with prokinetic, expectorant, anti-inflammatory, and antioxidant activity.
《中药学》（Bensky）指出陈皮越陈越良，陈化过程中刺激性挥发油减少，理气和中之效更显。
Bensky notes the traditional preference for aged Chen Pi, as aging reduces irritant volatile components while preserving qi-regulating activity.
陈氏药理学记载陈皮多甲氧基黄酮（川陈皮素、橘皮素）具有显著的抗炎及抗肿瘤活性。
Chen & Chen report that polymethoxylated flavones (nobiletin, tangeretin) show significant anti-inflammatory and antineoplastic activity in preclinical studies.
《中国药典》2020年版以橙皮苷作为陈皮的含量测定指标，要求不得少于 3.5%。
The 2020 Chinese Pharmacopoeia specifies hesperidin as the marker with a minimum content of 3.5% in Chen Pi.
This section is provided for academic reference only and does not constitute medical advice.