Figure 2.
Representative image of red seaweeds (rhodophyta) and chemical structure of derived polysaccharides. (A) Photograph of the green seaweed ulva linza, a source of the polysaccharide ulvan. Inset image is a magnified view of the cellular structure of ulva linza. Photographs courtesy of David Fenwick, used with permission1. (B) Chemical structure of rhamnan sulfate, a branched polysaccharide derived from the green seaweeds monostrom nitidum and monostroma latissimum. (C,D) Two chemical structures for ulvan that have been isolated from green seaweeds.