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

Ya Dan Zi (Brucea javanica) is the dried ripe seed of a traditional herb known in Traditional Chinese Medicine (TCM) as Yā Dǎn Zǐ (鸦胆子), sometimes called Java Brucea Seed. For centuries it has been prized as a bitter, cold, and downward-moving herb used in traditional formulas 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 (Brucea javanica)
• Unsulfured, clean, no foreign matter
• Sun-dried whole seeds, 500g pack
• Custom grinding service available
• Sourced from established herb supply channels

Quality & Sensory

Each batch is sun-dried to preserve the seed's dark brown to blackish color, firm texture, and dry, slightly oily surface. The seeds have a faint, earthy aroma and an intensely bitter taste when crushed or decocted, a hallmark of their traditional bitter-cold character.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction formulas
• Custom grinding into herbal powder
• Herbal practitioner formulations
• External traditional applications
• Herbal ingredient for professional use

Traditional Uses

In folk herbal practice, Ya Dan Zi is decocted or ground into powders for use in traditional formulas addressing damp-heat and toxin patterns. It is often paired with other bitter and cooling herbs in compound decoctions. Because of its intense bitterness, it is typically used in small, carefully measured amounts within professional formulations rather than as a daily tea.

FAQ Q&A