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논문 기본 정보

자료유형
학술저널
저자정보
Myoung-Chong Song (경희대학교) Hye-Joung Yang (경희대학교) Jin-Gyeong Cho (경희대학교) In-Sik Chung (경희대학교) Byoung-Mog Kwon (한국생명공학연구원) Dae-Keun Kim (우석대학교) Nam-In Baek (경희대학교)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 18. no 1
발행연도
2009.2
수록면
95 - 102 (8page)

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The aerial parts of garland (Chrysanthemum coronarium L.) were extracted in 80% aqueous methanol (MeOH) and the concentrated extract was then partitioned using ethyl acetate (EtOAc), n-butanol (n-BuOH), and H₂O, successively. EtOAc and n-BuOH fractions resulted in 4 glycerides with the application of octadecyl silica gel and silica gel column chromatography. The chemical structures of the glycerides were determined using several spectroscopic methods, including nuclear magnetic resonance (NMR) and mass spectrometry (MS) as (2S)-1-O-palmitoyl-sn-glycerol (1), (2S)-1-O-oleoyl-2-Ooleoyl-3-O-β-D-galactopyranosyl-sn-glycerol (2), (2S)-1-O-palmitoyl-2-O-linoleoyl-3-O-phosphorouscholine-sn-glycerol (3), and (2S)-1-O-linolenoyl-2-O-palmitoyl-3-O-[α-D-galactopyrasyl-(1→6)-β-D-galactopyranosyl]-sn-glycerol (4). The free fatty acids of these glycerides were determined with gas chromatography (GC)-MS analysis following alkaline hydrolysis and methylation. These glycerides demonstrated an inhibitory effect on acyl-CoA: cholesterol acyltransferase (ACAT, compound 1: 45.6±0.2% at 100 ㎍/㎖), diacylglycerol acyltransferase (DGAT, compound 1: 59.1±0.1% at 25 ㎍/㎖), farnesyl protein transferase (FPTase, compound 2: 98.0±0.1%; compound 3: 55.2±0.1% at 100 ㎍/㎖), and β-secretase (IC??, compound 4: 2.6 ㎍/㎖) activity. This paper is the first report on the isolation of these glycerides from garland and their inhibitory activity on ACAT, DGAT, FPTase, and β-secretase.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgments
References

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