Dilworth & Barrese, LLP
Use of sericin as antioxidants and tyrosinase inhibitors
 This invention relates to a composition useful as an antioxidant or an inhibitor for tyrosinase activity which comprises as an active ingredient a sufficient amount of sericin to exert an antioxidizing ability or an inhibiting action on tyrosinase activity and this composition is applicable as an antioxidant or a tyrosinase activity inhibitor in the field of medicines, quasi-drugs, medicines for external use, cosmetics, foods, food additives or the like. 
Seiren Co., Ltd.
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Masakazu Naozumi Hideyuki
Nomura Fuwa Yamada