Acad Sinica, Inst High Energy Phys, Beijing, Peoples R China
; Acad Sinica, Inst Oceanol, Qingdao 266071, Peoples R China
The distribution of iodine in various biological macromolecules in Sargassum kjellmanianum was studied using neutron activation analysis combined with chemical and biochemical separation techniques. The results indicate that iodine is mainly bound with protein, part of iodine with pigment and polyphenol, and little with polysaccharides, such as algin, fucoidan and cellulose. This result is significant for the mechanism of enriching iodine of algae and utilization of alga iodine.