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The major yellow colorant from the fruit of Gardenia jasminoides was isolated and then identified with the aid of FAB-MS, UV/visible and NMR data. The NMR assignments were based on data from 1 H NMR, 13 C NMR, DQF-COSY, NOESY, HMQC and HMBC measurements. Molar absorptivity was determined using an analytically pure sample of crocin.
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