Extracts are generally classified into plant extracts (including traditional Chinese medicine extracts or herbal extracts), animal extracts from the medical corner. In general, the extracts we are talking about can generally be understood as three kinds of plant extracts, Chinese herbal extracts and animal extracts. The plant extract is a plant-derived material, and according to the needs of the extracted final product, through physical and chemical extraction and separation process, the one or more active ingredients in the plant are obtained and concentrated without changing the effective structure. The resulting product is also an important part of biomedicine.

Plant extracts are extracted from agricultural and forestry products by professional equipment, and are widely used in the production fields of botanicals, food additives, functional foods, household chemicals, plant-derived pesticides and feeds, and the industrial chain is relatively clear. Its upstream industry is mainly agricultural and forestry medicinal products and production inspection equipment for plant extracts; while in the plant extract industry, its main industrial chain is a plant that is selected from new plant varieties with high content of effective substances and promotes the increase of effective substances. It consists of 9 links: directional cultivation and separation and purification of effective substances for plant purposes. Its downstream industries are diverse and widely used in many industries, including medicine, food, cosmetics, nutraceuticals and feed.