Polysaccharides of edible algae attracted extensive interest,due to their numerous biological activities.Sulphated polysaccharides(fucoidan,sulphated galactose,sulphated galactofucan,sulphated polymannuroguluronate)which were extracted from marine algae exhibit high biological activities,such as anticancer,anti-inflammatory,virucidal activity,antioxidant activity,anti-asthmatic effect,immunomodulating activity and anticoagulant activity,and so on.The advancement of the functional properties of polysaccharid...