UNIVERSITY OF PRETORIA;UNIVERSITY OF KWAZULU NATAL
发明人:
DE CANHA, MARCO, NUNO,LALL, NAMRITA,HUSSEIN, AHMED,MOGAPI, ELIZABETH,MOODLEY, INDRES
申请号:
IN9558DEN2014
公开号:
IN9558DEN2014A
申请日:
2014.11.13
申请国别(地区):
IN
年份:
2015
代理人:
摘要:
This invention relates to the isolation, and use of a plant extract in the treatment of skin hyper-pigmentation. More particularly, this invention relates to the isolation of a tyrosinase inhibitor in an extract of plant matehal from the Greyia radlkoferi (G. radlkoferi) plant, the extract including 5,7-dihidroxyflavone[(2S)-pinocembrin]; 2', 6'-dihydroxy-4'-methoxydihydrochalcone; 2',4',6'-trihydroxyhydrochalcone; 3,5,7-trihydroxyflavone and 4',5'7-thhydroxyisoflavone.