Phân tích thành phần hóa học và hoạt tính chống oxy hóa của sulfate polysacc-haride chiết xuất từ rong nâu Việt Nam bằng phương pháp hóa học và hỗ trợ enzyme

Abstract

Sulfate polysaccharides from four Vietnamese brown algae Sargassum oligocystum, S. polycystum, S. seratum and Turbinaria ornata were extracted by both chemical and enzyme –assisted methods. The monosaccharide composition, sulfate content and molecular weight of all chemical and enzymatic extracts were analyzed. The effect of extraction method on chemical features of sulfated polysaccharides was investigated. The enzymatic extract showed higher antioxidant activity compared to chemical extract.