Rapid analysis of methylated xanthines in teas by an improved high-performance liquid chromatographic method using a polyvinylpolypyrroridone pre-column

Journal of Chromatography A

Volumn 848, Issue 1-2, 1999, Pages 523-527

  Nakakuki, Hideo ^a   Horie, Hideki ^b   Yamauchi, Yuji ^b   Kohata, Katsunori ^b  

^a Aichi Prefectural Government   (Japan)

^b Natl Res Inst Vegetables Ornamental Plants & Tea   (Japan)

Author keywords

Caffeine; Food analysis; Polyvinylpolypyrroridone columns; Stationary phases, LC; Tea; Theobromine; Xanthines

Indexed keywords

2 PYRROLIDONE DERIVATIVE; CAFFEINE; EPICATECHIN GALLATE; EPIGALLOCATECHIN; EPIGALLOCATECHIN GALLATE; METHYLXANTHINE; METHYLXANTHINE DERIVATIVE; THEOBROMINE;

ARTICLE; FOOD ANALYSIS; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; PRIORITY JOURNAL; TEA;

CHROMATOGRAPHY, HIGH PRESSURE LIQUID; METHYLATION; POVIDONE; SPECTROPHOTOMETRY, ULTRAVIOLET; TEA; XANTHINES;

EID: 0033053126     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0021-9673(99)00418-5     Document Type: Article

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