Abstract
A laccase (LC) from the basidial fungus Trametes hirsuta has been used for the first time as a catalyst in dihydroquercetin (DHQ) oxidative polymerization. The conditions selected enabled good yields of DHQ oligomers, which were then analyzed using UV–vis, FTIR, 1Н and 13С NMR spectroscopy. It was shown that the first stage of LC-mediated oxidation of DHQ is the removal of hydrogen from 3-OH group and formation of an alkoxy radical, which substitutes hydrogens mainly in positions C2′, C5′ and C6′. The oligomers have the number average molecular weight of 1000g/mol and the polydispersity index of 1.4.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
