Plant extract refers to a product formed by using plants as raw materials, according to the needs of the final product use, through the extraction and separation process, directional acquisition or concentration of one or more components in plants, generally without changing the original components of plants. It can also be supplemented with excipients as needed to make powder or granules with good fluidity and moisture resistance, but there are also a small amount of products in liquid or oily form.

According to the content of active ingredients, plant extracts can be divided into three categories: effective monomer extracts, standard extracts and ratio extracts; according to the ingredients, they are divided into glycosides, acids, polyphenols, polysaccharides, terpenes, flavonoids, alkaloids, etc.; The product form can be divided into vegetable oil, extract, powder, lens, etc.; according to the purpose, plant extract can be divided into natural pigment products, traditional Chinese medicine extract products, extract products and concentrated products.

The application range of plant extracts is very wide now. In addition to the traditional use in traditional Chinese medicine products, with the gradual increase of people's trust and dependence on natural products, a large part of plant extracts have been used in health care products and food ingredients. In addition, plant extracts have been used in cosmetics and feed in recent years.