beta-primeverosidase EC#: 3.2.1.149; ChemWhat Code: 1380054
| Product Name | beta-primeverosidase |
| Example Structure |  |
| Synonyms | 4-methylumbelliferyl-beta-D-glucopyranoside:beta-glucosidase, arbutinase, ary beta-glucosidase, beta-D-glucosidase, beta-D-glucoside glucohydrolase, beta-glucosidase, beta-glucoside hydrolase, beta-primeverosidase, p-nitrophenyl beta-glucosidase, primeverosidase, vicianase |
| EC Number | 3.2.1.149 |
| CAS Registry Number | |
| Comments | The enzyme is responsible for the formation of the alcoholic aroma in oolong and black tea. In addition to ¦Â-primeverosides [i.e. 6-O-(¦Â-D-xylopyranosyl)-¦Â-D-glucopyranosides], it also hydrolyses 6-O-(¦Â-D-apiofuranosyl)-¦Â-D-glucopyranosides and, less rapidly, ¦Â-vicianosides and 6-O-(¦Á-L-arabinofuranosyl)-¦Â-D-glucopyranosides, but not ¦Â-glucosides. Geranyl-, linaloyl-, benzyl- and?p-nitrophenol glycosides are all hydrolysed. |
| Cofactor | |
| History | |
| Reactions | A 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside + H(2)O = 6-O-(beta- D-xylopyranosyl)-beta-D-glucopyranose + an alcohol. |
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