期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 117, 期 -, 页码 800-806出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2018.05.224
关键词
Active packaging; Electrospinning; Microalga
资金
- CNPq (National Council of Technological and Scientific Development) [310490/2014-6]
- MCTIC (Ministry of Science Technology, Innovation and Communication) [01200.005005/2014-49]
- CAPES (Coordination for the Improvement of Higher Education Personnel)
- CEME-SUL (Center of Electronic Microscopy of the South)
Electrospun nanofibers can be formed with chitosan as the polymers found in biological sources have antibacterial ability. The objective of this work was to evaluate whether chitosan/polyethylene oxide (PEO) blend nanofibers containing microalgal phenolic compounds exhibit antibacterial activity. Nanofibers produced with a 3% chitosan/2% PEO blend containing 1% phenolic compounds had an average diameter of 214 +/- 37 nm, which resulted in a high temperature of maximum degradation, an important parameter for food packaging. The potential antibacterial activity of this nanofibers was confirmed by their inhibition of Staphylococcus aureus ATCC 25923 (6.4 +/- 1.1 mm) and Escherichia coli ATCC 25972 (5.5 +/- 0.4 mm). The polymeric nanofibers produced from chitosan and containing phenolic compounds have properties that therefore allow their application as active packaging. In addition, chitosan is an excellent polymer for packaging as it presents biodegradability, biocompatibility and, non-toxicity. Published by Elsevier B.V.
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