Abstract
국내 연안에서 널리 양식되고 있는 피조개의 생리적 기능성을 발굴하기 위하여 항산화능과 acetylcholinesterase 저해능을 측정하였다. 피조개 분말로부터 메탄올 추출물을 제조하고, 이로부터 극성에 따라 hexane, diethyl ether, ethyl acetate, 그리고 물 분획물을 얻었다. DPPH 라디칼 소거능, ABTS 라디칼 소거능, 환원력으로 항산화능을 분석한 결과, 각 활성은 한 분획물에 치중되지 않았지만 물 분획물에서 비교적 높았다. 그러나 acetylcholinesterase 저해능은 diethyl ether 분획물에서 높게 측정되었다. 이로서 항산화능과 acetylcholinesterase 저해능에 관여하는 다양한 물질들이 피조개에 함유되어 있음을 확인하였다. Ark shell (Scapharca broughtonii; Korean name, pijogae) is one of the most widely cultivated and consumed shellfishes in Korea. The purpose of this study was to evaluate the antioxidant activity and acetylcholinesterase inhibitory activity of ark shell. After preparing the methanol extract of ark shell powder, the extract was subsequently fractionated by hexane, diethyl ether, ethyl acetate and water. The antioxidant activity evaluated by DPPH radical scavenging activity, ABTS radical scavenging activity and reducing power was relatively higher in the water fraction; however, the activity was spread out in all fractions. Acetylcholinesterase inhibitory activity was the highest in the diethyl ether fraction. Taken together with the results of both antioxidant and acetylcholinesterase inhibitory activities, it can be suggested that different kinds of physiological compounds were contained in the ark shell.
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