Fig. 1From: The anti-cancer effects of fucoidan: a review of both in vivo and in vitro investigations2 sorts of homofucose backbone chains of fucoidan [16]. R [II] describes the potential attnachment sites of carbohydrate (α–l-fucopyranose, α–d-glucuronic acid) and non carbohydrate (sulfate and acetyl) substituents [16]Back to article page