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Analyses of Lipid and Volatile Components in Juniper Seed(Juniperus rigida Sieb. et Zucc.)

노간주나무(Juniperus rigida Sieb. et Zucc.) 열매의 지질 및 향기성분 분석

  • Published : 2003.08.01

Abstract

Juniper seed oil extracted by steam distillation has been a useful material as a medicine, insect repellant, and flavorant for alcoholic beverages. As the result of juniper seed oil analysis, the acid value, saponification value, unsaponification value phosphorus contents, and refractive index were 91.04, 85.15, 15.52, 11.04 ppm, 1.47, respectively The content of neutral lipids, glycolipids and phospholipids were 85.4%, 12.2% and 2.4%, respectively. From the fatty acids analysis, the major fatty acids from the juniperseed harvested in August were lauric acid (31.9% ), palmitic acid (28.0% ), stearic acid (9.9%), and oleic acid (8.5%) . However, maturated seed oil harvested in October mainly consists of linoleic acid (47.6%), linolenic acid (17.6%), oleic acid (16.1%), and palmitic acid (11.9%). Upon these analyses, fatty acids composition of juniper seed oil depends on the seed maturation. According to volatile compounds analyses of essential oil extracted using steam distillation method and SPME, the major compounds were $\beta$-myrcene, $\alpha$-pinene, $\beta$-farnescene, $\beta$-cubebene, limonene, trans-caryo-phyllene, $\alpha$-terpinolene, camphene, sabinene, and $\beta$-pinene.

우리 나라의 해안지역 및 전국의 산야에 분포하고 있는 노간주나무는 예로부터 열수추출하거나, 알코올로 추출하여 민간요법에 이용해온 예는 다수 있으나, 현재에는 그 이용여부가 보고된 바 없다. 노간주나무의 잎 및 열매로부터 추출한 지질의 물리화학적 특성을 규명하기 위하여 노간주나무의 잎과 열매의 지질의 일반성분 및 지방산 조성을 분석하고 굴절률, 산가, 검화가, 요오드화가, 인 함량 등을 측정하였다. 노간주나무의 열매로부터 추출한 지질의 경우, 산가는 91.04, 요오드가는 133.60, 굴절률은 1.4724, 검화가는 82.38, 불검화가는 15.52, 인 함량은 11.02 ppm이었다. 열매의 지방산조성을 분석한 결과, 8월에 채취한 시료로부터 추출한 지질에서는 중쇄 지방산인 lauric acid 및 caprylic acid 등이 약 50% 정도 차지하고 있었으나, 열매의 성수기에 접어드는 10월에 채취한 시료에는 전체 지방함량중 linoleic acid가 47.64%, linolenic acid가 17.55%, oleic acid가 16.05%, palmitic acid가 11.19%의 순으로 계절에 따른 지방산의 분포 및 조성비가 상이한 것으로 나타났다. 노간주나무의 열매로부터 SPME를 이용하여 추출한 정유성분의 휘발성성분의 조성을 GC-MSD로 분석한 결과, 주된 향기성분은 $\beta$-myrcene, $\alpha$-pinene, $\beta$-farnesene, $\beta$-cubebene, limonene 등이었으며, transcaryophyllene, $\alpha$-terpinolene 등과 camphene, sabinene, $\beta$-pinene, ${\gamma}$-terpinene, 1,4-terpineol, $\alpha$-fenchyl acetate, 2-undecanone, neryl acetate, jupinene, $\delta$-cadinene, germa acrene, farnesol 등이 검출되었고 원자방출검출기 (AED)를 이용하여 분석한 결과, 특이적인 황화합물 및 질소화합물 등이 검출되지 않았다.

Keywords

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  2. Chemical Composition, Antioxidant, and Anti-proliferative Activities of Juniperus rigida Sieb. et. Zucc. Fruit Extract vol.31, pp.2, 2003, https://doi.org/10.7856/kjcls.2020.31.2.229