water-solublepolysaccharide,7WA,withanaveragemolecularmassof7.1×104Da,wasisolatedfromtheleavesofgreentea.Monosaccharidecompositionanalysisindicatedthat7WAmainlycontainedArabinoseandGalactoseinthemolarratioof1.0:0.96.Byusingthemethodsofmethylationanalysis,partialhydrolysis,andNMR,7WAwascharacterizedtopossessabackboneconsistingof1,3-and1,6-linkedgalactopyranosylresidues,withbranchesattachedtoO-3of1,6-linkedgalactoseresidues,andO-4andO-6of1,3-linkedgalactoseresidues.Theresultsofglucose-stimulatedinsulinsecretion(GSIS)showedthat7WAsignificantlyaugmentedinsulinsecretionathighglucoselevel(25mM),however,sucheffectwasnotseenatlowglucoselevel(5mM).Themechanismstudyresultsindicated7WA,atypeIIarabinogalactanfromGreenTea,enhancesGSISthroughcAMP-PKApathwa
น้ำ solublepolysaccharide, 7WA, withanaveragemolecularmassof7.1 × 104Da, wasisolatedfromtheleavesofgreentea.Monosaccharidecompositionanalysisindicatedthat7WAmainlycontainedArabinoseandGalactoseinthemolarratioof1.0: 0.96.Byusingthemethodsofmethylationanalysis, partialhydrolysis, andNMR, 7WAwascharacterizedtopossessabackboneconsistingof1,3-and1,6-linkedgalactopyranosylresidues, withbranchesattachedtoO-3of1,6-linkedgalactoseresidues, Ando-4andO-6of1, 3 linkedgalactoseresidues.Theresultsofglucose-stimulatedinsulinsecretion (จีซิส) showedthat7WAsignificantlyaugmentedinsulinsecretionathighglucoselevel (25mm) แต่ sucheffectwasnotseenatlowglucoselevel (5mm) .Themechanismstudyresultsindicated7WA, atypeIIarabinogalactanfromGreenTea, enhancesGSISthroughcAMP-PKApathwa
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น้ำ-โซลูชัน, 7WA, โดยไม่มี anaveragemolecularmassof 7.1 × 104Da, wasisolatedfromtheleavesofgreentea. Monosaccharidecompositionanalysisindicatedthat7WAmainlycontainedArabinoseandGalactoseinthemolarratioof 1.0: 0.96. การวิเคราะห์, การย่อยสลาย, และ Nmr, 7WAwascharacterizedtopossessabackboneconsistingof1 , 3-and1, 6-linkedgalactopyranosylresidues, โดยมี Branchesattached-3of1, 6-linkedgalactoseresidues, andO-4andO-6of1, 3-linkedgalactoseresidues. Stimulatedinsulinsecretion (GSIS) showedthat7WAsignificantlyaugmentedinsulinsecretionathighglucoselevel (25 มม.), อย่างไรก็ตาม, sucheffecgtegggggggasgesgattá(5 มม.). Themechanismstudyresultsindicated7WA, atypeIIarabinogalactanfromGreenTea, enhancesGSISthroughcAMP
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