Capillary electrochromatography of caffe
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Kaname Ohyama; Mitsuhiro Wada; Gwyn A. Lord; Yoshihito Ohba; Mihoko N. Nakashima
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Article
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2005
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John Wiley and Sons
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English
β 192 KB
## Abstract A capillary electrochromatography (CEC) method has been developed for the separation of caffeine and its two metabolites 1βmethylxanthine (1βMX) and 1,7βdimethylxanthine (1,7βDX). The stationary phase was 3β(1,8βnaphthalimido) propylβmodified silyl silica gel (NAIP) and the best separat