R APID R EVERSED P HASE U LTRA -P ERFORMANCE L IQUID C HROMATOGRAPHY A NALYSIS OF THE M AJOR C OCOA...
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RAPID REVERSED PHASE ULTRA-PERFORMANCE LIQUID CHROMATOGRAPHY ANALYSIS OF THE MAJOR COCOA POLYPHENOLS AND INTER-RELATIONSHIPS OF THEIR CONCENTRATIONS IN CHOCOLATE 學學 學學學 : 學學學學: 09/12/10
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Transcript of R APID R EVERSED P HASE U LTRA -P ERFORMANCE L IQUID C HROMATOGRAPHY A NALYSIS OF THE M AJOR C OCOA...
RAPID REVERSED PHASEULTRA-PERFORMANCE LIQUIDCHROMATOGRAPHY ANALYSIS
OF THE MAJOR COCOA POLYPHENOLS AND INTER-RELATIONSHIPS OF THEIR
CONCENTRATIONS IN CHOCOLATE
學生:林瑋婷報告日期: 09/12/10
IntroductionChocolatepolyphenols
ExperimentExtraction ProcessUPLC Analysis
Results and discussionConclusions
OUTLINE
INTRODUCTION
ChocolatePolyphenols
Catechin Epicatechin B2 (epicatechin-4 β -8-epicatechin) B5 (epicatechin-4β-6-epicatechin) C1 (epicatechin-4β-8-epicatechin-4β-8-epicatechin) tetramerD (epicatechin-4β-8-epicatechin-4β-8-
epicatechin-4β-8-epicatechin)
(+)-Catechin
(−)-Catechin
(−)-Epicatechin
Procyanidin B2
Procyanidin B5