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In enzymology, a beta-primeverosidase (EC is an enzyme that catalyzes the chemical reaction

a 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside + H2O 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose + an alcohol

Thus, the two substrates of this enzyme are 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside and H2O, whereas its two products are 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose and alcohol.

This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside 6-O-(beta-D-xylosyl)-beta-D-glucohydrolase.


  • IUBMB entry for
  • BRENDA references for (Recommended.)
  • PubMed references for
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  • Google Scholar references for
  • Nagata T and Sakata K (1998). "Characterization of beta-primeverosidase, being concerned with alcoholic aroma formation in tea leaves to be processed into black tea, and preliminary observations on its substrate specificity". J. Agric. Food Chem. 46: 1712&ndash, 1718.
  • Tong Q and Sakata K (1997). "Purification of a beta-primeverosidase concerned with alcoholic aroma formation in tea leaves (cv. Shuxian) to be processed to oolong tea". J. Agric. Food Chem. 45: 877&ndash, 882.

External links

Gene Ontology (GO) codes