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Glycerides from the Aerial Parts of Garland (Chrysanthemum coronarium L.) and Their Inhibitory Effects on ACAT, DGAT, FPTase, and $eta$-Secretase
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  • Glycerides from the Aerial Parts of Garland (Chrysanthemum coronarium L.) and Their Inhibitory Effects on ACAT, DGAT, FPTase, and $eta$-Secretase
  • Glycerides from the Aerial Parts of Garland (Chrysanthemum coronarium L.) and Their Inhibitory Effects on ACAT, DGAT, FPTase, and $eta$-Secretase
저자명
Song. Myoung-Chong,Yang. Hye-Joung,Cho. Jin-Gyeong,Chung. In-Sik,Kwon. Byoung-Mog,Kim. Dae-Keun,Baek. Nam-In
간행물명
Food science and biotechnology
권/호정보
2009년|18권 1호|pp.95-102 (8 pages)
발행정보
한국식품과학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

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 $H_2O$, 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-O-oleoyl- 3-O-$eta$-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-[$alpha$-D-galactopyrasyl-($1{ ightarrow}6$)-$eta$-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: $45.6{pm}0.2%$ at $100{mu}g/mL$), diacylglycerol acyltransferase (DGAT, compound 1: $59.1{pm}0.1%$ at $25{mu}g/mL$), farnesyl protein transferase (FPTase, compound 2: $98.0{pm}0.1%$; compound 3: $55.2{pm}0.1%$ at $100{mu}g/mL$), and $eta$-secretase ($IC_{50}$, compound 4: $2.6{mu}g/mL$) activity. This paper is the first report on the isolation of these glycerides from garland and their inhibitory activity on ACAT, DGAT, FPTase, and $eta$-secretase.