2.王端陽（生物資源環境科学府・博士課程）

Hibiscus sabdariffa Linn.のスキンケアに係わる生物活性評価と有効成分の単離

In this study, the calyx part of Hibiscus sabdariffa Linn.(Okinawa) were taken as the study objects. Through the establishment of bioactivity evaluation system and bio-guided isolation method, the components with reversing-senescence activity were identified,it was the first time to evaluate the reversing-senescence potential and clarified the major active component in Hibiscus sabdariffa. and the mechanism of these ingredients is being further studied now. This study suggested that Hibiscus sabdariffa have high possibility to be used as reversing-senescence reagent or skin care products in the future, provided a new considerable way for the regeneration and utilization of plants in nature.