An emerging strategy for evaluating the grades of Keemun black tea by combinatory liquid chromatography-Orbitrap mass spectrometry-based untargeted metabolomics and inhibition effects on α-glucosidase and α-amylase

Food Chemistry

Volumn 246, Issue , 2018, Pages 74-81

  Guo, Xuemei ^a   Long, Piaopiao ^a   Meng, Qilu ^a   Ho, Chi Tang ^b   Zhang, Liang ^a  

^a ANHUI AGRICULTURAL UNIVERSITY   (China)

^b RUTGERS UNIVERSITY   (United States)

Author keywords

Black tea; Grade; LC MS; Metabolomics; Theaflavins; Theasinensin; Glucosidase

Indexed keywords

AMYLASES; BIOASSAY; FLAVONOIDS; GRADING; MASS SPECTROMETRY;

BLACK TEA; GLUCOSIDASE; METABOLOMICS; THEAFLAVINS; THEASINENSIN;

LIQUID CHROMATOGRAPHY;

AFZELECHIN GALLATE; ALKALOID DERIVATIVE; ALPHA GLUCOSIDASE; AMYLASE; CATECHIN; EPICATECHIN; EPICATECHIN GALLATE; EPIGALLOCATECHIN; EPIGALLOCATECHIN GALLATE; GALLIC ACID; GALLOCATECHIN; GALLOCATECHIN GALLATE; KAEMPFEROL; POLYPHENOL DERIVATIVE; THEAFLAVIN; THEAFLAVIN 3 GALLATE; THEAFLAVIN 3' GALLATE; THEASINENSIN A; THEOBROMINE; UNCLASSIFIED DRUG; AFZELECHIN; ANTIDIABETIC AGENT; BENZOPYRAN DERIVATIVE; BIOLOGICAL MARKER; FLAVONOID; GLYCOSIDASE INHIBITOR; PHENOL DERIVATIVE; POLYPHENOL;

ANALYTIC METHOD; ARTICLE; BIOASSAY; CHEMICAL ANALYSIS; CONTROLLED STUDY; CORRELATION COEFFICIENT; ENZYME INHIBITION; ENZYME INHIBITION ASSAY; EVALUATION STUDY; LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY; METABOLOMICS; NONHUMAN; QUANTITATIVE ANALYSIS; TEA; ANTAGONISTS AND INHIBITORS; CHEMISTRY; CLASSIFICATION; CLUSTER ANALYSIS; FOOD ANALYSIS; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; METABOLISM; PROCEDURES; STANDARDS; TANDEM MASS SPECTROMETRY;

ALPHA-AMYLASES; ALPHA-GLUCOSIDASES; BENZOPYRANS; BIOMARKERS; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; CLUSTER ANALYSIS; FLAVONOIDS; FOOD ANALYSIS; GLYCOSIDE HYDROLASE INHIBITORS; HYPOGLYCEMIC AGENTS; METABOLOMICS; PHENOLS; POLYPHENOLS; TANDEM MASS SPECTROMETRY; TEA;

EID: 85033219450     PISSN: 03088146     EISSN: 18737072     Source Type: Journal    
DOI: 10.1016/j.foodchem.2017.10.148     Document Type: Article

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