Study on Antioxidative Activity of L owMolecular Weight Chitosan in Comp lex with Rare Earth LaCl3.nH2O

Abstract

Abstract: Activeoxygenplaysanimportantroleinmedicine,foodandcosmetic.Toavoidthedamagebroughtbyactive oxygen,it’ s necessary to develop safe,efficie nt antioxidative agents.Lowmolecu lar weight chitosan(LCTS)andits complex with LaCl3.nH2 O(LCTS -La(Ⅲ))were prepared.the activities of LCTS andLCTS -La(Ⅲ)for eliminating were invesitgated.Both of the above compounds showed excellent ability for scanvenging O2,and the activity of LCTS -La(Ⅲ)was higher than that of chitosan.Fro mthe result of Na2S2O3-I2 titration,both chitosanand LCTS -L a(Ⅲ)expressedgoodantioxidative activ ity to lard.

Key words: Lowmolecular chitosan , Complex of LC , TSwithLaCl3.nH 2 O Antioxidation , O2 , Lard

YIN Xue-Qiong, ZHANG Qi, LIN Qiang, TIAN Guo-Cai. Study on Antioxidative Activity of L owMolecular Weight Chitosan in Comp lex with Rare Earth LaCl3.nH2O[J]. FOOD SCIENCE, 2002, 23(2): 27-30.

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Study on Antioxidative Activity of L owMolecular Weight Chitosan in Comp lex with Rare Earth LaCl3.nH2O

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