Huang Yao Zi (Dioscorea bulbifera) — Dried Bitter Yam Rhizome, Traditional Chinese Herb 500g

Huang Yao Zi (Dioscorea bulbifera), also known as Huang Du (黄独), Ling Yu Shu (零余薯), Huang Gou Tou (黄狗头), and Zhu Sha Qi (朱砂七), is the dried tuber and aerial bulbils of a traditional Chinese herb long recorded in TCM as Huáng Yào Zǐ (黄药子). For centuries it has been prized as a cooling, toxin-clearing, and phlegm-dissolving herb, traditionally used to relieve sore throat, ease scrofula and goiter patterns, and address heat-toxin conditions. Its nature is bitter, pungent, and cool, giving it a strong, downward-moving character that clears heat and disperses stagnation.

Key Selling Points

• Traditional heat-clearing and toxin-resolving herb
• Dried Huang Yao Zi tuber and bulbils
• Dioscorea bulbifera
• 500g bulk pack for decoction use
• Sourced from broad traditional growing regions

Quality & Sensory

Each batch is carefully dried to preserve its pale tan to light brown color, firm woody texture, and faint earthy aroma. When decocted, the pieces yield a bitter, slightly astringent infusion with a deep herbal character, typically blended with other herbs to soften its intensity.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction blends
• External compress preparations
• Herbal formula ingredient
• Bulk herbal pantry stocking
• Traditional wellness preparations

Traditional Uses

In folk herbal practice, Huang Yao Zi is decocted into formulas alongside other heat-clearing herbs to address throat discomfort and glandular swelling patterns. It is also traditionally applied externally as a poultice or compress. Because of its strong bitter and cool nature, it is rarely used alone and is typically combined with harmonizing herbs in classical decoction recipes.

FAQ Q&A