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Abstract Title:

Antioxidant property of water-soluble polysaccharides from Poria cocos Wolf using different extraction methods.

Abstract Source:

Int J Biol Macromol. 2016 Feb ;83:103-10. Epub 2015 Nov 19. PMID: 26601761

Abstract Author(s):

Nani Wang, Yang Zhang, Xuping Wang, Xiaowen Huang, Ying Fei, Yong Yu, Dan Shou

Article Affiliation:

Nani Wang

Abstract:

Poria cocos Wolf is a popular traditional medicinal plant that has invigorating activity. Water-soluble polysaccharides (PCPs) are its main active components. In this study, four different methods were used to extract PCPs, which include hot water extraction (PCP-H), ultrasonic-assisted extraction (PCP-U), enzyme-assisted extraction (PCP-E) and microwave-assisted extraction (PCP-M). Their chemical compositions and structure characterizations were compared. In vitro antioxidant activities were studied on the basis of DPPH radical, hydroxyl radical, reducing power and metal chelating ability. The results showed that PCPs were composed of mannose, glucose, galactose, and arabinose, and had typical IR spectra characteristics of polysaccharides. Compared with other PCPs, PCP-M had lower neutral sugar content, higher mannose content and higher uronic acid content. The molecular weight were determined as PCP-E

Study Type : In Vitro Study

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