- 27 -ABSTRACTProblemTo provide an antioxidant, an antioxidant composition, and a method for producing the antioxidant composition, which feature a high content rate and degree of extraction of substances. These substances are marine, glycogen, protein, so-called. blood platelet anticoagulant with zinc, fat-soluble vitamin with a high activation such as vitamin D, and other useful substances. The antioxidant and the antioxidant composition also feature a so-ealled anti oxidative pioperty, which has recently attracted attention..SolutionThe present invention, for example, includes 3,5-dilayd3-oxy-4-inethoxybenzyl alcohol.