In vitro formation of crocetin glucosyl esters by Crocus sativus callus extract.

@article{Dufresne1997InVF,
  title={In vitro formation of crocetin glucosyl esters by Crocus sativus callus extract.},
  author={C J. Dufresne and François Cormier and S Dorion},
  journal={Planta medica},
  year={1997},
  volume={63 2},
  pages={150-3}
}
Callus extracts of Crocus sativus exhibited the ability to transform all-trans-crocetin into its related glycosides between pH 7.0 and 7.6 in the presence of uridine-diphospho-glucose. The reactions involved the step-wise addition of a glucose moiety to a free carboxyl function and the 1-->6 addition of a glucose moiety to a glucosyl ester function. The kinetics of synthesis for each glycoside seemed to indicate that two distinct glucosyl transferases were implicated in the synthesis of crocin… CONTINUE READING
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