Intermolecular binding of blueberry pectin-rich fractions and anthocyanin
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- 作者：Z. Lina ; c ; J. Fischerb ; L. Wickerc ; d ; e ; lwicker@agcenter.lsu.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Blueberry ; Pectin ; Anthocyanin ; Cyanidin-3-glucoside ; Intermolecular binding
- 刊名：Food Chemistry
- 出版年：2016
- 出版时间：1 March 2016
- 年：2016
- 卷：194
- 期：Complete
- 页码：986-993
- 全文大小：488 K
文摘
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Anthocyanin binds pectic fractions at pH 2, 3.6 and 4.5, with least binding at pH 4.5.
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Anthocyanin binds water soluble pectin the least.
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Anthocyanin binds chelator soluble pectin 2 times greater at pH 2 and 3.6 than pH 4.5.
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At pH 4.5, anthocyanin binds alkali soluble pectin more than other pectic fractions.
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Binding mechanisms may be ionic interaction and anthocyanin intermolecular stacking.