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Original Articles

Purification and Characterization of a Tuliposide-Converting Enzyme from Bulbs of Tulipa gesneriana

, , , , , & show all
Pages 1895-1897 | Received 01 Apr 2009, Accepted 28 Apr 2009, Published online: 22 May 2014
 

Abstract

An enzyme that catalyzes the stoichiometric conversion of 6-tuliposide into tulipalin was purified and characterized from bulbs of Tulipa gesneriana. The enzyme appeared to be a dimer, the relative molecular mass (Mr) of each subunit being 34,900; it had maximum activity and stability at neutral pH and moderate temperature. The enzyme preferentially acted on such glucose esters as 6-tuliposides, and to a lesser extent on p-nitrophenylacetate.

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