Ejiao Block (Equus asinus Colla Corii) — Dong’e Donkey-Hide Gelatin for Traditional Tonic Cooking

Ejiao Block (Colla Corii Asini) is the dried gelatinous block prepared from donkey hide, known in Traditional Chinese Medicine (TCM) as Ē Jiāo (阿胶). Revered for centuries as a premier blood-nourishing and yin-supporting tonic, Ejiao has been prized in Dong'e, Shandong, where its craft tradition runs deep. Its nature is sweet and neutral, making it a gentle yet deeply nourishing food herb traditionally used to enrich blood, support yin, and moisten dryness. This block form is designed for home cooking and tonic preparation, dissolved into soups, congee, or herbal pastes.

Key Selling Points

• Traditional blood-nourishing food tonic
• Dong'e, Shandong regional specialty
• Prepared by slow simmering and setting into blocks
• Colla Corii Asini (donkey-hide gelatin)
• Suited for soups, congee, and tonic pastes

Quality & Sensory

Each block is deep amber to dark brown with a glossy, translucent surface and a firm, brittle texture that snaps cleanly when broken. It carries a mild, faintly sweet aroma with a subtle gelatinous note. When slowly dissolved in warm liquid, it yields a smooth, silky body and a gentle, lightly sweet taste that blends quietly into soups and congee without overpowering other ingredients.

Technical Specifications

Usage Scenarios

• Traditional tonic soups and broths
• Congee and grain porridge
• Herbal paste and dessert preparation
• Seasonal nourishment cooking
• OEM private-label formulation

Traditional Uses

In folk herbal practice, Ejiao is slowly dissolved into soups, congee, and sweet tonic decoctions, often paired with jujube, longan, goji berry, or walnut. It is a classic ingredient in traditional blood-nourishing pastes and autumn-winter nourishment formulas, where it is gently melted into warm liquid and stirred until fully incorporated. In Dong'e, the block has long been a household tonic staple, prepared at home for daily nourishment and festive gifting.

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