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진부지역에서 생산된 당귀를 이용한 추출물 제조 및 이화학적 특성
이원종,윤정로,김은경,안규태 강릉대학교 동해안지역연구소 2000 東海岸硏究 Vol.11 No.1
추출조건 (온도, 추출시간, 용매의 농도)에 따라 당귀의 특유성분인 decursin의 함량을 측정하였으며, 산지별로 당귀를 수집하여 추출물을 제조한 후 이화학적 성질을 조사하였다. 물, ethanol, methanol, chloroform, benzene, ether등으로 추출한 결과, 당귀의 지표물질인 decursin은 물로는 잘 추출되지 않았고 고농도의 ethanol로 추출하는 것이 가장 효과적이었다. 당귀의 ethanol 추출물 제조시 ethanol의 농도는 95%, 추출온도는 60℃, 추출시간은 4시간이 가장 적합하였다. 진부지역에서 생산된 일당귀 및 일본산 당귀의 decursin 함량은 0.2-0.5%이었고, 중국산 당귀는 1.1%를 함유하였으며 진부산 토당귀는 6.2%를 함유하였다. 진부산 토당귀와 일당귀, 중국산, 일본산 당귀를 열수 추출물, ethanol 추출물을 제조한 결과, 열수 추출물은 ethanol 추출물보다 단백질과 회분을 많이 함유하였으며, ethanol 추출물은 지질을 많이 함유하였다. Chemical components and decursin contents of Angelica gigas Nakai (Korean), Angelica acutiloba Kitagawa (Korean and Japanese), and Angelica sinensis Diels (Chinese) were analyzed. Angelica gigas Nakai (Korean) contained the highest amount of decursin with 6.2%, while Angelica acutiloba Kitagawa (Korean and Japanese) contained only 0.2-0.5% decursin and Angelica sinensis Diels (Chinese) contained 1.1% decursin. Angelica gigas Nakai (Korean) was extracted under various conditions and evaluated for decursin content. The decursin content of extracts was the highest when extracted with 95% ethanol at 60℃ for 4 hours. Angelica gigas Nakai was extracted with water and 95% ethanol and physicochemical properties of extract were analyzed, The extraction yield. protein content, and ash content were high when using the water as an extraction solvent; while, crude lipid was high when using the 95% ethanol as the extraction solvent.
문형인(Hyung In Moon),안규태(Kyu Tai Ahn),이강노(Kang Ro Lee),지옥표(Ok Pyo Zee) 대한약학회 2000 약학회지 Vol.44 No.2
This paper describes isolation and elucidation structure of the components from leaves and evaluate the radical scavenging activity on DPPH radical for antioxidant effect. Bioassay guided fractionation of MeOH extract afforded active EtOAc and BuOH fractions. The most active EtOAc fraction was repeatedly chromatographed over silica and Sephadex LH-20 to afford six flavonoid compounds. Studies on the antioxidant activity of these constituents showed that quercetin was the most active of these compounds. Luteolin and kaempherol are also active, These results suggested that the antioxidant activity of leaves of Angelica gigas may be due to flavonoid components. All the compounds were identified by spectroscopic methods and are the first report from leaves of Angelica gigas.