PROBLEM TO BE SOLVED: To provide a method of producing a fucoidan extract by performing processes of cleaning, boiling with a citrus fruit extract, pressure sterilization, immersion in liquor, and filtration for extracting more fucoidan highly included in seaweed of the family Spermatochnaceae, kelp, Undaria pinnatifida, and other marine algae.SOLUTION: For increasing extraction efficiency of fucoidan highly included in seaweed of the family Spermatochnaceae, kelp, Undaria pinnatifida, and other marine algae, cleaning with fresh water and boiling with a citrus fruit extract are carried out to extract fucoidan, and when a filtration residue is immersed in liquor, a fucoidan extract further increased in its amount can be easily obtained at low cost.COPYRIGHT: (C)2014,JPO&INPIT【課題】 もずく・昆布・ワカメ・その他海藻類に多く含まれるフコイダンを依り多く抽出する為に、洗浄・柑橘エキスとの煮込み・圧力殺菌・酒漬込み・ろ過の工程を経ることを特徴とする、フコイダン抽出物の製造方法を提供する。【解決手段】 もずく・昆布・ワカメ・その他海藻類に多く含まれるフコイダンの抽出効率を高めるために、真水で洗浄し、さらに柑橘エキスで煮込むことにより、フコイダンを抽出し、さらに、ろ過残留物を酒に漬け込む事によって、より多くのフコイダンエキスを低コストで簡易に得ることができる。
