Introduction for Licochalcone A skin care
Licorice has a long history of medicinal use in China and is widely used in traditional medicine. Chinese medicine believes that licorice is beneficial to tonifying the qi, clearing away heat and detoxifying, relieving cough, relieving pain, and reconciling various medicines. There are many varieties of licorice, and the Chinese Pharmacopoeia (2010 edition) records three kinds of original plants, namely Glycyrrhiza uralensis Fisch, Glycyrrhiza inflata Bat, Glycyrrhiza glabra L, in which licorice licorice is distributed in western regions such as Xinjiang and Gansu. More resources. Licochalcone A skin care, a chalcone compound in licorice, is considered to be a species-specific component of licorice licorice, mainly found in licorice. Licochalcone A skin care is mainly found in the roots of licorice root and its content is low (about 0.461%). Some scholars have explored the synthetic process of Licochalcone A skin care. However, due to its complicated structure, long synthetic route, and the need for expensive chemical reagents, the synthesis cost is higher than natural extraction, which limits the in-depth pharmacological research and application of Licochalcone A skin care.
Which part to extract
Weigh 10 g of the powder of roots and stems of licorice root, respectively, and soak them in 50 ml of 70% ethanol for 4 h at room temperature, then put them into an ultrasonic cleaner, extract at 50 °C for 30 min, and extract twice. And the combined filtration, each about 70 ml of the extract, and concentrated to dryness under reduced pressure on a rotary evaporator to obtain an extract, using silica gel thin layer chromatography, using Licochalcone A skin care as a reference substance, and identifying the licorice of Xinjiang fruit licorice, Provide a basis for the rapid identification of licorice. The samples were spotted on an imported silica gel GF-254 thin layer plate (developing solvent: ethyl acetate: petroleum ether: formic acid 6:4:1), and the characteristics of the thin layer spots were observed under a UV lamp at 365 nm. It was found that the roots and stems of the licorice root had a distinct yellow spot suitable for Licochalcone A skin care characteristics, while the licorice leaves and seeds did not have the characteristic spot.
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