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Tao Tong,Jinglei Li,고두옥,김보섭,Chengmei Zhang,함경식,강성국 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.6
Hizikia fusiforme, Capsosiphon fulvescens,Undaria pinnatifida sporophyll, and Undaria pinnatifidablade extracts were evaluated for in vitro antioxidant andantihyperglycemic activities. Seaweed extracts containedhigh levels of phenolic compounds (12.44 to 39.01 mg ofgallic acid equivalents/g of extract) and exhibited multipleantioxidant activities. Extracts showed weak inhibition ofα-amylase. However, all extracts showed pronouncedinhibition of α-glucosidase with EC50 values from 2.56 to18.81 mg/mL. U. pinnatifida sporophyll and U. pinnatifidablade extracts both contained protocatechuic and syringicacids. p-Coumaric and ferulic acids were detected only inthe H. fusiforme extract. Caffeic acid and epicatechin werethe dominant phenoilc acids found in C. fulvescensextracts. A basis for further research is provided to establishthe capability of seaweed extracts as hypoglycemic agentsor functional food ingredients.