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The extract of Scutellaria baicalensis comes from the dried root of the labiate plant Scutellaria baicalensis. Scutellaria baicalensis is a common traditional Chinese medicine, mainly produced in the north, with the largest output in Shanxi Province. It is also known as Camellia root, which has the functions of clearing heat, detoxifying and hemostasis.
Scutellaria baicalensis contains a variety of active chemical components, mainly flavonoids represented by baicalin. Flavonoids are widely distributed in the plant kingdom, and more than 20% of plant drugs contain this component. Among them, leguminosae, Rutaceae, Compositae and Labiatae have a higher content. At present, more than 5000 kinds of flavonoids have been found. Among them, flavonoids containing phenolic hydroxyl have different degrees of antioxidant effect, and are often used as natural antioxidants. In addition to medicine, flavonoids such as rutin, quercetin, ginkgo flavone and soybean isoflavones can enhance the style of food and are widely used in food flavors and food additives.
The product is pale yellow crystalline powder with a melting point of 223 ℃ - 225 ℃. It is insoluble in ethanol, methanol, acetone, slightly soluble in chloroform and nitrobenzene, almost insoluble in water, soluble in hot acetic acid, etc.
The best process of Scutellaria baicalensis extract is: refluxe and extract three times with eight times of 70% ethanol, each time for 2 hours, combine the filtrate, and concentrate it to 100 mL under reduced pressure, extract it three times with equal volume of petroleum ether, extract the alcohol-soluble components with n-butanol, and concentrate the alcohol layer respectively, and then concentrate it to the density of (1.013 ± 0.004) g/cm3 under reduced pressure.
The extract of Scutellaria baicalensis comes from the dried root of the labiate plant Scutellaria baicalensis. Scutellaria baicalensis is a common traditional Chinese medicine, mainly produced in the north, with the largest output in Shanxi Province. It is also known as Camellia root, which has the functions of clearing heat, detoxifying and hemostasis.
Scutellaria baicalensis contains a variety of active chemical components, mainly flavonoids represented by baicalin. Flavonoids are widely distributed in the plant kingdom, and more than 20% of plant drugs contain this component. Among them, leguminosae, Rutaceae, Compositae and Labiatae have a higher content. At present, more than 5000 kinds of flavonoids have been found. Among them, flavonoids containing phenolic hydroxyl have different degrees of antioxidant effect, and are often used as natural antioxidants. In addition to medicine, flavonoids such as rutin, quercetin, ginkgo flavone and soybean isoflavones can enhance the style of food and are widely used in food flavors and food additives.
The product is pale yellow crystalline powder with a melting point of 223 ℃ - 225 ℃. It is insoluble in ethanol, methanol, acetone, slightly soluble in chloroform and nitrobenzene, almost insoluble in water, soluble in hot acetic acid, etc.
The best process of Scutellaria baicalensis extract is: refluxe and extract three times with eight times of 70% ethanol, each time for 2 hours, combine the filtrate, and concentrate it to 100 mL under reduced pressure, extract it three times with equal volume of petroleum ether, extract the alcohol-soluble components with n-butanol, and concentrate the alcohol layer respectively, and then concentrate it to the density of (1.013 ± 0.004) g/cm3 under reduced pressure.
