Mo Shi Zi (Quercus infectoria Oak Gall) — Dried TCM Astringent Herb, 500g

Mo Shi Zi (Quercus infectoria), also known as Oak Gall or Aleppo Gall, is the dried gall-nut formed on oak trees and revered in Traditional Chinese Medicine (TCM) as Mò Shí Zǐ (没食子). For centuries it has been prized as a powerful astringent herb, traditionally used to bind and consolidate, restrain leakage, and support the lungs, intestines, and kidneys. Its nature is bitter, astringent, and neutral, making it a focused yet stabilizing herb in classical formulas.

Key Selling Points

• Traditional astringent herb of TCM
• Dried Oak Gall (Quercus infectoria)
• Naturally sun-dried, whole gall-nuts
• 500g bulk pack for herbal formulas
• Sourced from China, non-imported

Quality & Sensory

Each batch consists of whole, naturally sun-dried oak galls with a firm, dense texture and a dark brown to greyish-brown exterior. They carry a mild, earthy, slightly tannic aroma. When decocted, they yield a deep amber infusion with a distinctly astringent, drying taste characteristic of high-tannin botanicals.

Technical Specifications

Usage Scenarios

• Traditional herbal decoctions and formulas
• Astringent herbal tea blends
• External herbal washes and soaks
• Herbal powder preparation
• Bulk herbal ingredient for practitioners

Traditional Uses

In folk herbal practice, Mo Shi Zi is decocted into astringent formulas and combined with herbs such as Wu Mei, He Zi, and Wu Wei Zi to support consolidation and restraint. It is also used in external washes and gargles, and in some traditions ground into powder for topical application. As a daily tea, it is brewed in small amounts, often blended with other gentle herbs to soften its strong astringency.

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