Chicken Gizzard Skin (Ji Nei Jin)

雞內金
Chicken’s gizzard skin (Jineijin)

Pharmaceutical Name: Endothelium corneum gigeriae galli

Zoological Name: Gallus gallus domesticus Brisson

Common Name: Chicken’s gizzard skin or lining

Source of Earliest Record: Shennong Bencao Jing

Part Used: The inside membrane of the gizzard is peeled off, cleaned and dried in the sun. Then it is ground into powder.

Natural Properties & Taste: Sweet and neutral

Meridians: Spleen, stomach, small intestine and urinary bladder

Therapeutic Effects:
1. To eliminate food retention;
2. To transform stones

Indications:
1. Indigestion, retention of food and epigastric and abdominal distension and fullness. Chicken’s gizzard skin (Jineijin) is used with Hawthorn fruit (Shanzha) and Germinated barley (Maiya).

2. Infantile weakness of the spleen, including infantile malnutrition. Chicken’s gizzard skin (Jineijin) is used with White atractylodes (Baizhu), Dioscorea (Shanyao) and Poria (Fuling).

3. Gallstones and urinary tract stones. Chicken’s gizzard skin (Jineijin) is used with Lysimachia (Jinqiancao) and Lygodium spores (Haijinsha) in the formula Sanjin Tang.

Dosage: 3-10 g

Cautions & Contraindications: If the herb is prepared as a powder, the dosage each time is 1.5-3 g.