Production RegionsProduced all around China.
Macroscopic FeaturesIrregular rolled pieces, about 2mm thick. Externally yellow, yellowish-green or yellowish-brown, thin and transparent, with obvious strips of wrinkles. Brittle texture, easily broken, fractured surface is horn-like and lustrous. faintly fishy odor; slightly bitter taste.
Quality RequirementsSuperior medicinal material has intact pieces and lacks crushed matter, yellow color.
FunctionsPromotes the stomach, digests food, astringes essence, stops spermatorrhea. Apply to indigestion, vomiting and diarrhea, malnutrition and indigestion syndrome in children, enuresis, spermatorrhea.
Processed FormFried ji nei jin: fry the cleaned ji nei jin follow the way of fry or burn-process till raise up. Externally dark yellowish-brown to burnt-yellow, by magnifier, can see granular or small bubble-like shape. Easily to break when lightly fold, fractured surface has luster. Eliminate the fishy odor by frying. Vinegar ji nei jin: fry the cleaned ji nei jin follow the way of fry-process till raise up, spray vinegar, take out and dry. Every 100kg ji nei jin need 15kg vinegar. Also reduce the fishy odor and correct taste; strengthens the effect of digestion.
OriginThe dried inner lining of the gizzard of Gallus gallus domesticus Brisson.(Phasianidae). After killing the chicken, the gizzard is removed and the inner lining is scraped out and collected washed clean and dried.