The plant extract industry has been developed in the last 10 years. It is a marginal industry (Weizhengbo language) between the pharmaceutical, fine chemical and agricultural industries. The definition is as follows:
Plant extract is a kind of product which is made of plant as raw material, according to the need of the final product, through the process of physical and chemical extraction and separation, obtains and concentrates one or more active ingredients in plants, without changing the structure of the active ingredients. At present, the product concept of plant extracts is broad. According to the different components of the extracted plants, glycosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids, etc. can be divided into vegetable oils, extracts, powder, lens and so on according to the characteristics of the final products.
Alkaloids. It is a complex nitrogenous organic compound with special physiological activity and medical effect. Ephedrine contains ephedrine for treating asthma and scopolamine, which contains spasmodic and analgesic effects.
Glycosides are also called glucosides. It is composed of sugar and non sugar substances. Glycosides are common in sugar. Different types of glycosides have different physiological activities and have various functions. For example, digitalis leaves contain cardiotonic effects of cardiotonic glycosides, ginseng contains buqi, Shengjin, tranquilizing effect of ginsenosides and so on.
Volatile oil. Essential oil, also known as essential oil, is an aroma and volatile oily liquid, composed of a mixture of a variety of compounds, with physiological activities, in the medical treatment of many aspects, such as cough, asthma, sweating, antiphlegm, expelling wind, analgesia, antibacterial and so on. Volatile oils in medicinal plants are rich in Platycladus orientalis, Magnolia officinalis, Magnolia magnolia, camphor tree, Cinnamomum rutaecarpa, Angelica dahurica, Ligusticum chuanxiong, Angelica sinensis, mint and so on.
Tannin (tannin). A mixture of polyphenols. It is found in many plants, especially in Salix, Fagaceae, Polygonaceae, Rosaceae, Leguminosae, Myrtle and Rubiaceae. The gall on the medicinal plant Salt Skin Wood is called gallnut, which contains gallnut tannin and has astringent, antidiarrheal and antiperspirant effects.
Other ingredients. Such as carbohydrates, amino acids, proteins, enzymes, organic acids, oils, waxes, resins, pigments, inorganic substances, etc., have special physiological functions, many of which are important drugs in clinical.
The concept of plant extract can be accepted and accepted by all countries, and it is also a common expression of herbal medicine in all countries. The export volume of plant extracts in China has exceeded the export volume of Chinese patent medicines as early as 1999. In Europe and the United States, plant extracts and their products (botanical drugs or food supplements) have broad market prospects, has developed into a new industry with annual sales of nearly 8 billion dollars.
Plant extracts in China are generally intermediate products, and are widely used in medicine, health food, tobacco, cosmetics raw materials or accessories. There are also many kinds of plants used for extracting raw materials. At present, more than 300 kinds of plants have been extracted in industry.
The term "plant extract" is often mentioned in the QQ group "o plant extract circle O O O o" 11659353 of a plant extract industry.
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