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Enzymatic modification of chitosan with quercetin and its application as antioxidant edible films |
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| Authors: | E. Torres V. Marín J. Aburto H. I. Beltrán K. Shirai S. Villanueva G. Sandoval |
| Affiliation: | 1. Center of Chemistry-ICUAP, University of Puebla, Edificio 103G, Puebla, 72570, México 2. Mexican Institute of Petroleum, Eje Central Lázaro Cárdenas Norte 152, Col. San Bartolo Atepehuacan, México, D. F., 07730, México 3. Metropolitan Autonomous University-Cuajimalpa, Artificios 40-sexto piso, Col. Hidalgo, México, D. F., 01120, México 4. Metropolitan Autonomous University-Iztapalapa, Av San Rafael Atlixco No. 186, Col.Vicentina Mexico, DF, 09340, México 5. Center of Investigation and Technological Assistance and design of Jalisco. Guadalajara, Jalisco. Mexico, 44270, México |
| Abstract: | Quercetin, rutin, naringin, hesperidin and chrysin were tested as substrates for cloroperoxidase 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. |
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