지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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This study was conducted in order to establish the optimum conditions in obtaining Houttuynia cordara Thunb and Saururus chinensis Baill mixture extracts. The extraction conditions were based on the central composite experimental design with independent variables(extraction time, ethanol concentration, and Houttuynia cordara Thunb and Saururus chinensis Baill mixing ratio) and dependent variable (yield, electron donating ability, total polyphenol, total flavonoid, histamine secretion by using human mast cell and in vitro tyrosinase inhibition). Response surface methodology(RSM) was applied for the independent variables. The effect of primary variables on electron donating ability(anti-oxidant effect) was significant. The optimum conditions estimated by RSM for extraction of the effective components were 6-12 hr of extraction time, 20-60 % ethanol concentration and 1:1 - 4:1 mixing ratio.
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