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解表散寒、行气宽中、安胎解毒
取用紫苏梗（茎）则行气宽中、止痛安胎作用更著，发表力弱
煎服5–9g，不宜久煎，宜后下；外用适量，煎水洗
本平台仅供学术参考，不构成医疗建议。
紫苏叶挥发油以紫苏醛为主，另含迷迭香酸和木犀草素等酚类成分，具有解热、抗过敏、抗菌、解痉及安胎止呕的药理作用。
Perilla leaf volatile oil is dominated by perillaldehyde, with rosmarinic acid and luteolin providing antipyretic, antiallergic, antimicrobial, antispasmodic and antiemetic/fetus-calming activities.
Chen & Chen 引述迷迭香酸在 IgE 介导的过敏反应模型中显著抑制肥大细胞脱颗粒。
Chen & Chen cite rosmarinic acid markedly inhibiting mast cell degranulation in IgE-mediated allergy models.
Bensky 指出紫苏叶发散风寒、行气宽中、安胎、解鱼蟹毒，四大功效并行。
Bensky lists Zi Su Ye's four core functions: release wind-cold, move qi and soothe the middle, calm the fetus and detoxify fish/crab poisoning.
本部分信息仅供学术参考，不构成医疗建议。
温病及气弱表虚者忌用。阴虚内热者慎用。
含挥发油（紫苏醛等），久煎则有效成分挥发。气虚、阴虚及温病热盛者忌用。少数人可有接触性皮炎。
紫苏叶，治伤寒头痛，憎寒壮热，咳嗽气喘，中寒呕逆等证。
常用药物
@misc{bencaodian-zi-su-ye,
author = {{Bencaodian Editorial}},
title = {Zǐ Sū Yè 紫苏叶 (Perilla Leaf) — Perillae Folium},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/zi-su-ye},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}