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pp.455-463
In this study, the biological activities and physicochemical properties of polysaccharides from Gloiopeltis furcata were investigated. Polysaccharides were isolated by enzymes treatment (celluclast, flavourzyme, papain, termamyl, viscozyme) followed by ethanol precipitation and lyophilization. The yield of polysaccharides by enzymes treatment group were 52.8-66.4%. The major constituents in viscozyme treatment group were total sugar (71.04%), protein (7.22%), uronic acid (23.18 g/100 g), and sulfate (28.27%), respectively. The DPPH radical scavenging activity and ferric reducing antioxidant potential of the viscozyme treatment group at 5 mg/mL were 23.10% and 218.50 μM, respectively. The protective effects against H2O2-induced cytotoxicity in L132 cell of viscozyme treatment group at 1 μg/mL was 85.64%. The viscozyme treatment group increased the production of nitric oxide (NO) in a dose-dependent manner. The antitumor activity of viscozyme treatment group (at 25 μg/mL) in A549, HeLa, SNU719 and MCF7 was 69.57%, 52.74%, 61.06% and 68.64%, respectively. All of data showed that the biological activities and chemical characteristics of enzymes treatment group are higher than that of the control group. The polysaccharides isolated from Gloiopeltis furcata investigated herein are useful as functional materials agents.
