Title:
TYROSINASE INHIBITORS AND EXTERNAL PREPARATIONS FOR SKIN WHITENING
Document Type and Number:
Japanese Patent JP2015086187
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide novel tyrosinase inhibitors derived from plants, and to provide external preparations for skin whitening formulated therewith.SOLUTION: The tyrosinase inhibitor of the invention comprises one or more extracts of plants selected from the group consisting of: fruit of Antidesma pentandrum (Blanco) Merr., Sargassum fulvellum (Turner) C.Agardh, stem of Psidium guajava L., Leucaena leucocephala (Lam.) de Wit, Schima wallichii (DC.) Korth. subsp. noronhae (Reinw. ex Blume) Bloemb., Castanopsis sieboldii (Makino) Hatus. ex T.Yamaz. et Mashiba, Terminalia catappa L., Garcinia subelliptica Merr., Pandanus odoratissimus L.f., Cerbera manghas L., Ipomoea batatas L., Beta vulgaris var. cicla (L.) K.Koch, Cirsium brevicaule A.Gray, Wedelia trilobata (L.) Hitchc., Crepidiastrum lanceolatum, Citrus tankan Hayata, Carica papaya, Dioscorea alata, Ulva pertusa Kjellman, Hylocereus undatus, Colocasia esculenta schott var. aquatilis Kitamura, Gynura bicolor, Farfugium japonicum (L.) Kitam, Allium chinense, Caulerpa lentillifera, Sargassum fusiforme (Harvey) Setchell, and Heliotropium foertherianum Diane et Hilger.
Inventors:
IKEHATA MASAMI
HIROSE MINA
YOSHINO ATSUSHI
TOKASHIKI TADAAKI
MORI TOSHIKI
TSUJIMOTO SACHIKO
HIROSE MINA
YOSHINO ATSUSHI
TOKASHIKI TADAAKI
MORI TOSHIKI
TSUJIMOTO SACHIKO
Application Number:
JP2013227202A
Publication Date:
May 07, 2015
Filing Date:
October 31, 2013
Export Citation:
Assignee:
TROPICAL TECHNOLOGY CT LTD
DAI ICHI KOGYO SEIYAKU CO LTD
DAI ICHI KOGYO SEIYAKU CO LTD
International Classes:
A61K8/97; A61Q19/02
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Ryu Maesawa
Tamako Tsutada
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi
Ryu Maesawa
Tamako Tsutada