4Jon Lundqvist, Anita Teleman, Linda Junel, et al. Isolation and characterization of galac toglucomannan from spruce[J]. Carbohydrate Polymers, 2002, 48: 29-39.
9Emma A Harden, Ruth Falshaw, Susan M Carnachan, et al. Virucidal activity of polysaccharide extracts from four algal species against berpes simplex virus [J]. Antiviral Research, 2009, 83 (3): 282.
