Study on Microwave-assisted Extraction of Gardenia

Jialin Zhu, Zhenyu Jiang, Shuangling Li


Plant polysaccharides are compounds that are composed of α-or β-glycosidic bonds by many of the same or different monosaccharides. They are commonly found in natural plants and have molecular weights of tens of thousands or even millions, which constitute life activities. One of the four basic substances, closely related to maintaining the function of life. In recent years, a large number of studies have shown that polysaccharides in addition to immune regulation, anti-tumor biological effects, there are anti-aging, hypoglycemic, anticoagulant and other effects, and its side effects on the body is small, therefore, polysaccharide research has become a medicine Sector of the hot areas. This study aims to study the orthogonal extraction experiment of L9 (33) with water as extractant, and to study the process of microwave extraction of gardenia polysaccharide. Methods: The content of polysaccharides in the samples was determined by phenol - sulfuric acid method. Results: The optimum extraction conditions were as follows: 20 min; solid-liquid ratio: 1: 30; microwave frequency: 2 times, the polysaccharide content was 7.61%

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