Prikladnaia Biokhimiia i Mikrobiologiia 2012-01-01

Enzymatic modification of chitosan with quercetin and its application as antioxidant edible films.

E Torres, V Marín, J Aburto, H I Beltrán, K Shirai, S Villanueva, G Sandoval

Index: Prikl. Biokhim. Mikrobiol. 48(2) , 175-82, (2012)

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Abstract

Quercetin, rutin, naringin, hesperidin and chrysin were tested as substrates for chloroperoxidase to produce reactive quinones to graft onto chitosan. Quercetin and rutin quinones were successfully chemically attached to low molecular weight chitosan. The quercetin-modified chitosan showed an enhancement of plastic, antioxidant and antimicrobial properties as well as of thermal degradability. Finally, chitosan-quercetin films visibly decreased enzymatic oxidation when applied to Opuntia ficus indica cladodes.

Related Compounds

  • Chrysin
  • Chloroperoxidase,...

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