Antioxidant films based on cross-linked methyl cellulose and native Chilean berry for food packaging applications
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- 作者：Carol Ló ; pez de Dicastillo ; analopez.dediscastillo@usach.cl" class="auth_mail" title="E-mail the corresponding author ; Francisco Rodrí ; guez ; Abel Guarda ; Maria José ; Galotto
- 关键词：2 ; 2-Diphenyl-1-picrylhydrazyl (DPPH) (PubChem CID 74358) ; 2 ; 2&prime ; -Azinobis(3-ethylbenzothiazoline-6-sulphonate) (ABTS) (PubChem CID 90658258) ; Polyethylene glycol (PubChem CID 24762) ; Glutaraldehyde (PubChem CID 3485) ; Gallic acid (PubChem CID 370) ; Trolox (PubChem CID 40634) ; Sodium carbonate (PubChem CID 10340) ; Ferric 2 ; 4 ; 6-tripyridyl-s-triazine (TPTZ) (PubChem CID 77258)
- 刊名：Carbohydrate Polymers
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：136
- 期：Complete
- 页码：1052-1060
- 全文大小：1390 K
文摘
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Hydroalcoholic maqui extract showed the highest antioxidant activity and phenolic conc.
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GA was an effective crosslinker agent for MC polymer matrix.
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The minimum concentration to avoid water solubility of films was 5% (% wt.).
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Incorporation of GA and MQ improved water vapor barrier properties.
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Crosslinking decreased swelling degree.
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Reactions between MQ polyphenols and GA decreased polyphenolic release.