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우슬의 뿌리로부터 Phytoecdysones의 분리와 항 아토피 효과
김기옥 ( Ki Ohk Kim ),구창섭 ( Chang Sub Ku ),김민진 ( Min Jin Kim ),박윤정 ( Yhun Jung Park ),류형원 ( Hyung Won Ryu ),송혁환 ( Hyuk Hwan Song ),김정희 ( Jung Hee Kim ),오세량 ( Sei Ryang Oh ) 한국응용생명화학회 2015 Journal of Applied Biological Chemistry (J. Appl. Vol.58 No.1
The roots of Achyranthes japonica Nakai were extracted with 100% aqueous and concentrated subfraction was separated with ultra-performance liquid chromatography-based activity profiling. Three compounds were isolated from the subfraction 5 through the repeated prep- high performance liquid chromatography column chromatography. According to the results of physico-chemical and spectroscopic data including NMR and MS, the chemical structures of the compounds were determined as ecdysterone (1), 25S-inokosterone (2), and 25R-inokosterone (3). Three phytoecdysones were showed weak inhibitory activity for thymus and activation-regulated chemokine expression levels in tumor necrosis factor (TNF)-α plus IFN-γ induced HaCaT cells, respectively. However, those compounds 1-3 were exhibited the most potent inhibition (80-95% at 200 μg/mL) against TNF-α expression levels in A23187 plus phorbol-myrisrate acetate-induced RBL-2H3 cells. As result, 100% aqueous extract of A. japonica has an excellent anti-atopy activity. It could be used to a large range of functional anti-atopy cosmetics.
박윤정 ( Yhun Jung Park ),구창섭 ( Chang Sub Ku ),김민진 ( Min Jin Kim ),이미경 ( Mi Kyeong Lee ),김기옥 ( Ki Ohk Kim ),류형원 ( Hyung Won Ryu ),송혁환 ( Hyuk Hwan Song ),김두영 ( Doo Young Kim ),오세량 ( Sei Ryang Oh ) 한국응용생명화학회 2015 Journal of Applied Biological Chemistry (J. Appl. Vol.58 No.1
The rhizomes of Anemarrhena asphodeloide was extracted with 100% ethanol and concentrated subfractions were separated with medium pressure liquid chromatography-based activity profiling. One compound was isolated from the subfraction 10 through the repeated preparative high performance liquid chromatography (prep-HPLC). According to physico-chemical and spectroscopic data including NMR and MS, the chemical structures of the compound was determined as nyasol (1). Nyasol was exhibited potent inhibitory activity for NO (IC50: 12.5 μg/mL), tyrosinase (IC50: 12.5 μg/mL), melanin contents (IC50: 12.5 μg/mL), thymus and activation-regulated chemokine (TARC) production (IC50: 6.25 μg/mL). As a result, nyasol has an excellent inflammation-dependent anti-whitening and TARC production activity. It could be used to a large range of functional cosmetics.