Phloretin hydrolase

In enzymology, a phloretin hydrolase is an enzyme that catalyzes the chemical reaction

phloretin + H2O rightleftharpoons phloretate + phloroglucinol

Thus, the two substrates of this enzyme are phloretin and H2O, whereas its two products are phloretate and phloroglucinol.

This enzyme belongs to the family of hydrolases, specifically those acting on carbon-carbon bonds in ketonic substances. The systematic name of this enzyme class is 2',4,4',6'-tetrahydroxydehydrochalcone 1,3,5-trihydroxybenzenehydrolase. This enzyme is also called lactase-phlorizin hydrolase.


  • Minamikawa T, Jayasankar NP, Bohm BA, Taylor IE, Towers GH "An inducible hydrolase from Aspergillus niger, acting on carbon-carbon bonds, for phlorrhizin and other C-acylated phenols". Biochem. J. 116 889–97.

External links

The CAS registry number for this enzyme class is .

Gene Ontology (GO) codes

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