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AssigneesKao Corporation, Bogor Agricultural University
InventorsHiroshi HASHIMOTO, Mitsuyuki HOTTA, Maeko IWAMURA, Latifah Kasim DARUSMAN (Deceased), Irmanida BATUBARA, Edy DJAUHARI (Deceased), Rudi HERYANTO, Tohru MITSUNAGA
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Provision of a material, which has tyrosinase-inhibiting activity and is effective for skin whitening. A tyrosinase inhibitor comprising Syzygium polyanthum or an extract therefrom as an active ingredient is provided. Also, a compound represented by any one of the following formulae (I) to (III) and a tyrosinase inhibitor comprising the compound as an active ingredient are provided.
1-12. (canceled)
A method for inhibiting a tyrosinase in a subject, comprising administering to the subject an effective amount of Syzygium polyanthum or an extract therefrom.
A method for inhibiting melanogenesis in a subject, comprising administering to the subject an effective amount of Syzygium polyanthum or an extract therefrom.
A method for whitening skin in a subject, comprising administering to the subject an effective amount of Syzygium polyanthum or an extract therefrom.
A compound represented by a formula selected from the group consisting of formulae (I), (II) and (III):
17-28. (canceled)
32-41. (canceled)
Dependencies are inferred from the claim text.