Plant extract refers to a product that takes plants as raw materials, and through the process of extraction and separation, one or more components in plants are directionally obtained or concentrated, generally without changing the original components of plants. If necessary, excipients can be added to make powder or granule with good fluidity and moisture absorption resistance, but there are also a small amount of liquid or oily products.
What are the functions and effects of plant extracts?
1. Coloring: Plant pigments are the main components of plant colors, and some plants are extremely rich in pigments, which can be used for pigment extraction. There are dozens of plant pigments available in China, such as curcumin, safflower yellow, radish red, beet red, sorghum red and Chili red.
2. Flavor export: Plant extracts are often rich in characteristic components, which can effectively stimulate the senses, such as sweeteners and volatile substances. Natural sweetener is a popular new sweetener at present, which is not only outstanding in sweetness, but also an ideal substitute for sucrose, and its health effect is remarkable. Such as stevioside, mogroside, etc. Essential oil is a concentrated volatile substance, which is often used in the preparation of spices, and it is also the industry with the lowest application threshold in plant extracts, with the least regulatory restrictions.
3. Health care function: The components in plant extracts include glycosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids, etc. Most of these components have been proved to have biological activity in research, and their health care functions can not be ignored. The development of their health care functions has become the mainstream application trend of plant extracts.
4. Substitution effect: As a substitute for feed antibiotics, plant extract feed additive can prevent and treat animal diseases, enhance immunity, promote growth and increase feed remuneration, which is a research hotspot in recent years and has attracted more and more attention in developed countries such as Europe, America and Japan.
What are the natural extracts?
1. Total ginsenosides are extracted from the roots, stems and leaves of ginseng. They are rich in 18 kinds of ginsenosides, which are soluble in water at 80°C and easily soluble in ethanol.
Its pharmacological effects: coronary heart disease, angina pectoris, bradycardia, tachycardia, premature ventricular beat, blood pressure disorder, neurasthenia, climacteric syndrome, fatigue, post-illness, postpartum and postoperative physical weakness; Can be applied to the problems of low immune function of cancer patients and the like. At the same time, it can enhance the vitality of human surface cells and delay human aging.
2. The raw material of Ginkgo biloba extract is the leaves of Ginkgo biloba, which is a kind of product with rich effective components extracted by using appropriate solvents. Various preparations made from GBE are widely used in medicine, health care products, food additives, functional drinks, cosmetics and so on, and are included in China Pharmacopoeia, American Pharmacopoeia and European Pharmacopoeia.
Its pharmacological effects: China medicine still uses it to treat memory loss, stomach pain, dysentery, hypertension, mental stress and respiratory tract, and has strong antioxidant and free radical scavenging abilities.
Ginkgo biloba extract has a wide range of medicinal values and applications, such as anti-inflammatory, anti-allergic, dilating blood vessels, protecting cardiovascular and cerebrovascular diseases, improving peripheral blood circulation, lowering serum cholesterol and assisting anti-cancer, etc., and can also be applied to the prevention and treatment of cardiovascular and cerebrovascular diseases and neurological diseases.
3. Astragalus extract is the dried root extract of Astragalus membranaceus, a leguminous plant.
Its pharmacological effects: it has the functions of enhancing immunity, improving energy, resisting fatigue, resisting mutation, protecting liver and inhibiting osteoclasts. In traditional Chinese medicine, Astragalus membranaceus is considered to be beneficial to qi and yang, consolidating exterior and arresting sweating, supporting toxin and expelling pus, inducing diuresis to reduce swelling, healing sores and promoting granulation. In modern pharmacology, it is believed that Astragalus has the functions of enhancing immunity, lowering blood pressure, lowering blood sugar, diuresis, anti-aging, anti-fatigue, antivirus and analgesia.