Ya Dan Zi (Brucea javanica) — Dried Bitter Seed Herb, 500g, Unsulfured, Grindable

Ya Dan Zi (Brucea javanica) is the dried mature seed of a traditional herb known in Traditional Chinese Medicine (TCM) as Yā Dǎn Zǐ (鸦胆子), also called Old Crow Gall and Bitter Ginseng Seed. For centuries, Ya Dan Zi has been prized as a bitter, cold, and downward-directing herb used in traditional preparations for clearing heat, resolving toxin, and addressing damp-heat patterns. Its nature is bitter and cold, giving it a strong, focused character in TCM practice.

Key Selling Points

• Traditional bitter-cold herb for clearing heat and resolving toxin
• Dried Brucea javanica seeds, unsulfured
• 500g bulk pack, grindable on request
• Naturally sun-dried, clean new-crop quality
• Origin-direct from Fujian, food agricultural product grade

Quality & Sensory

Each batch is naturally sun-dried to preserve the seed's dark brown to blackish color, firm texture, and faint earthy aroma. The seeds are hard and smooth, with a thin shell enclosing an oily kernel. When ground, the powder is dark and fine with a distinctly bitter taste and a mild, oily scent, reflecting the herb's concentrated bitter character.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction ingredient
• External compress and poultice preparation
• Herbal foot soak blends
• Custom grinding into powder
• Traditional herbal formula component

Traditional Uses

In folk herbal practice, Ya Dan Zi is used in decoctions and external preparations, often paired with other bitter and heat-clearing herbs. It is traditionally applied in poultices and washes for external use, and included in formulas addressing damp-heat and toxin patterns. Because of its intense bitterness, it is typically used in small, carefully measured amounts within traditional formulas rather than as a daily tea.

FAQ Q&A