Colla Corii Asini or Collagen A powder was used as raw materials, supplemented by jujube, Lycium barbarum, longan, dried tangerine peel and other plant raw materials, and added to traditional yellow wine to participate in co-fermentation to produce Colla Corii Asini yellow wine. The technology strengthens the nutrition, functionality and naturalness of yellow rice wine products, and maintains the characteristics that the nutrients in yellow rice wine are easy to be digested and absorbed by human body.

According to the health care theory of traditional Chinese medicine and modern scientific health care concept, donkey-hide gelatin is used as raw material, supplemented by Chinese date, Lycium barbarum, longan, dried tangerine peel and other plant raw materials, and the high-tech processing method of superfine grinding is boldly adopted in the process, so that the texture of animal and plant raw materials is fully improved and brought into play, and it is added to traditional yellow rice wine for synchronous fermentation and aging, which not only retains the nutrition, functionality and naturalness of the product, but also is easy for human body to fully absorb. The beneficial components such as glucose, maltooligosaccharide, amino acids, vitamins and flavonoids in Ejiao yellow wine are well preserved. It has the functions of nourishing blood, cooling blood, removing blood stasis and stopping bleeding, and is mainly used for treating blood deficiency and blood stasis and heat syndrome.