Extracts are liquid or solid natural active ingredients extracted from animal or plant raw materials. Plant extract is a product made from plants. It is formed by physicochemical extraction and separation process according to the needs of the use of the extracted final product, and directed acquisition and concentration of one or more active ingredients in the plant without changing the structure of the active ingredients.
Because of its low drug resistance, plant extracts are not prone to additive residues and certain toxic side effects, and have extremely high edible safety. In recent years, the research and development of functional food and beverages using plant extracts as raw materials has become a research hotspot in various countries.
How are plant extracts classified?
According to different properties, it can be divided into vegetable oil, extract, powder, lens, etc.; according to function, it can be divided into growth promoter, immunomodulator, antioxidant, flavoring agent, deodorant, antifungal agent, product quality improver, etc. According to the different components of the extract, it is divided into alkaloids, flavonoids, polysaccharides, glycosides, volatile oils, organic acids and other compounds.
Main ingredients of plant extracts
- Alkaloids, namely plant alkaloids, are important effective ingredients in Chinese herbal medicines, such as the coccine in Coptis and ephedrine in Ephedra.
- Flavonoids have biological activities such Canna Nutrients as antibacterial, anti-inflammatory, and antioxidant. Common flavonoids include propolis, soybean isoflavones, anthocyanins, tea polyphenols, etc.
- Polysaccharides have the functions of lowering serum cholesterol, anti-cancer, and regulating immunity, such as Ganoderma lucidum polysaccharide, lentinan, algae polysaccharide and so on.
- Glycosides are substances combined with sugars, phenols and flavonoids. Different types of aglycones have different physiological activities and have various functions.
- Essential oils, also known as essential oils, are oily liquids with aroma and volatility. Common essential oils are peppermint oil, rose essential oil, and garlic oil.
- Organic acids such as citric acid, lactic acid, malic acid, ascorbic acid, etc. are the most effective substitutes for antibiotics, which can regulate the intestinal flora.