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Alternate-entry record of Da Qing Ye (dried leaf of Isatis indigotica, Brassicaceae) retained for legacy indexing. See the primary Da Qing Ye entry for full pharmacology and classical references. Bitter, salty, and very cold; clears heat, resolves toxin, cools the blood, and disperses macules in warm-disease eruptions and throat toxin.
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.
（时珍曰）大青气寒味苦咸，能解心胃热毒。
草部
@misc{bencaodian-da-qing-ye-2,
author = {{Bencaodian Editorial}},
title = {Dà Qīng Yè 大青叶 (Isatis Leaf) — Isatidis Folium},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/da-qing-ye-2},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
大青叶（本条为变体/重复条目）含靛蓝、靛玉红等吲哚类色素，具抗病毒、抗菌、抗炎和抗白血病细胞作用。
This Da Qing Ye variant contains the same indigo/indirubin/tryptanthrin indole pigments as the canonical entry, with antiviral, antibacterial, anti-inflammatory, and antileukemic activity.
大青叶苦寒，清热解毒，凉血消斑。
Bitter-cold; clears heat, resolves toxin, cools blood, and resolves eruptions.
This section is provided for academic reference only and does not constitute medical advice.