The oligomer production from macro-algae has been studied using enzymatic digestion. The digested solution was separated using hollow fiber membrane according to its molecular weight. We used three molecular cut-off membranes, 3 KDa, 10 KDa, and 30 KDa. The molecular weight of produced oligomer was identified with GPC(Gel Permeation Chromatography) analysis. The produced oligomer which has molecular weight 10 KDa has been characterized with FTIR, LC/MS, NMR and identified as glucan based oligomers. The main composition of oligomer was carbohydrates such as glucose, fucose, galactose and glucuronic acid. The inhibitory effect of oligomer on ACE(angiotensin converting enzyme) was presented in vitro and 5 mg of oligomer inhibits the 88% of ACE activity.  HPLC diagram of oligomer compositions

Production of macro-algae(<i>Capsosiphon pulvescense</i>) based oligomer using enzymatic digestion

243rd National Meeting (2012)

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Production of macro-algae(Capsosiphon pulvescense) based oligomer using enzymatic digestion