Gynostemma plant extract is the water or alcohol extract of Chinese medicine Gynostemma pentaphyllum rhizome or whole plant, and the main active ingredient is Gynostemma saponin. It has the functions of anti-inflammatory and detoxification, relieving cough and expectorating phlegm.
Gynostemma plant extract has a bitter taste and is not suitable for medicated diet and diet therapy, but it can be used as a health care product. It should be developed according to its own characteristics: 1. Health care products and food; 2. Feed and additives; 3. Cosmetics. Although the application research of Gynostemma plant extract has gradually become a hot spot, many of its effects have not been fully utilized. Therefore, it still has huge development value and development potential.
At present, the preparation techniques of Gynostemma plant extract are mainly alcohol extraction and water extraction, and the purification techniques include resin column chromatography and petroleum ether extraction.