Catechu Er Cha 儿茶 Dried Herbal Extract Pieces Traditional TCM Herb 1kg Bag

Catechu, known in TCM as Er Cha (儿茶) and also called Hai Er Cha or Wu Di Ni, is a dried herbal extract prepared from Acacia catechu. This dark brownish-black paste-derived herb is traditionally associated with clearing heat and promoting tissue health in classical practice. Sold as a food-grade raw botanical in a 1kg bag, it is intended for traditional herbal preparation under professional guidance.

Key Selling Points

• Authentic Er Cha 儿茶 sourced from Yunnan, a recognized traditional producing region
• Botanical source Acacia catechu, a classic TCM extract herb also called Wu Di Ni
• Traditional processing into dark brownish-black extract pieces with a characteristic astringent taste
• Supplied as a 1kg bag of broken pieces, suitable for bulk herbal use
• Traditionally valued in TCM for its astringent nature and heat-clearing properties

Quality & Sensory

Typically dark brown to blackish in color with a dense, brittle texture that breaks with a glossy or stony fracture. The aroma is mild and resinous, and the taste is strongly astringent and bitter, a hallmark of genuine catechu extract.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction preparation under professional guidance
• Ingredient in classical TCM formulas and external washes
• Bulk supply for herbal shops and apothecary blending
• Traditional topical applications in folk herbal practice

Traditional Uses

In TCM theory, Er Cha is considered bitter, astringent, and slightly cold, traditionally associated with the lung and heart channels. It has historically been used in small amounts in decoctions and powders, and externally in washes or pastes for oral and skin care in folk practice. Traditional texts also record its use as a mordant and astringent agent, and it is often stored in cool, dry conditions to preserve quality.

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