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Quantitative ion pair extraction of 4(5)-methylimidazole from caramel colour and its determination by reversed phase ion pair liquid chromatography
Summary
Type:
HPLC
Application #:
106760
Detection:
UV, 215nm
Conditions:
eluent: methanol - 0.2M KH2PO4 - water (32.5:25:42.5) containing 0.005M dodecanesulphonate
flow rate 1ml/min
Authors:
Thomsen M
Source:
J Chromatogr 211 (1981) 213 - 221
Details
Legend: Fig. 4. Chromatograms of caramel colour manufactured by the ammonia process (A) and by the ammonia-sulphite process (B), 1. chloroform (from extraction), 2. 4(5)-methylimidazole (A: 170µg/g, B: 142µ
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