Physical, antioxidant and structural characterization of blend films based on hsian-tsao gum (HG) and casein (CAS).
Physical, antioxidant and structural characterization of blend films based on hsian-tsao gum (HG) and casein (CAS).
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DOI：
10.1016/j.carbpol.2015.07.021
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发表时间：
2015-12
影响因子：
11.2
通讯作者：
Hui Yang;Xiaotong Wen;Shanguang Guo;M. Chen;Aimin Jiang;L. Lai
中科院分区：
文献类型：
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作者：
Hui Yang;Xiaotong Wen;Shanguang Guo;M. Chen;Aimin Jiang;L. Lai
研究了鲜草胶（HG）的添加对酪蛋白（CAS）膜的物理性质、抗氧化活性和结构的影响。据观察，HG的添加使CAS薄膜比纯CAS薄膜具有更好的机械性能和耐湿性、更强的光阻隔性和更高的抗氧化活性。傅里叶变换红外（FTIR）数据表明，CAS 和 HG 之间发生氢键相互作用和美拉德反应，产生比 CAS 薄膜更致密的结构。 X射线衍射和差示扫描量热(DSC)结果表明CAS和HG是相容的，HG的添加破坏了CAS薄膜原有的晶域，共混薄膜表现出比CAS薄膜更高的玻璃化转变温度。此外，核磁共振（NMR）分析表明，HG的添加显着改变了CAS膜中水分子的迁移率。特别是，与CAS膜相比，CAS/HG膜的高流动性水的比例显着降低。
The effects of hsian-tsao gum (HG) addition on the physical properties, antioxidant activities and structure of casein (CAS) film have been investigated. It has been observed that HG addition provided CAS film with better mechanical properties and resistant to moisture, stronger barrier properties against light and higher antioxidant activities than pure CAS film. Fourier transformation infrared (FTIR) data indicated that hydrogen bonding interactions and Maillard reactions occurred between CAS and HG, giving rise to a more compact structure than CAS film. The results of X-ray diffraction and differential scanning calorimetry (DSC) indicated that CAS and HG were compatible, and addition of HG destroyed the original crystalline domains of CAS film, and the blend films exhibited higher glass transition temperatures than CAS film. Moreover, nuclear magnetic resonance (NMR) analysis showed that HG addition significantly changed the mobility of water molecule in CAS film. Especially, ratio of the high mobility water of CAS/HG films significantly decreased as compared to CAS film.