From the medical point of view, extracts are generally divided into plant extracts (including traditional Chinese medicine extracts or herbal extracts), animal extracts.  Generally speaking, the extracts we talk about can be understood as plant extracts,traditional Chinese medicine extracts and animal extracts.  

       Plant extracts is plant as raw material, based on the needs of the use of extraction of the final product, through physical and chemical process of extraction and separation, directional obtain and concentration of one or more active ingredients in plants, and not to change its effective component structure and formation of the product At present, the plant extracts product concept is broad According to the different extraction plant ingredients, forming glucoside acid Polyphenols, polysaccharides, terpenes, flavonoids, alkaloids, etc. According to the character of the final product, it can be divided into vegetable oil extract powder lens.