The Konjac Glucomannan (KGM) is a kind of polysaccharide which is extracted from konjac corms, with many kinds of physiological health care functions, such as adjusting lipid metabolism, sugar metabolism, losing weight, anti-cancer and so on. Its application in food industry, pharmacy, chemical industry and some other fields is becoming more and more widely, but its physical and chemical properties are not very stable without chemical modification, so its application is restricted. After the modification of...