Influence of Heat Curing on Structure and Physicochemical Properties of Phenolic Acid Loaded Proteinaceous Electrospun Fibers

被引：20

作者：

Neo, Yun Ping ^{[1
]}

Perera, Conrad O. ^{[1
]}

Nieuwoudt, Michel K. ^{[1
]}

Zujovic, Zoran ^{[1
]}

Jin, Jianyong ^{[1
]}

Ray, Sudip ^{[1
]}

Gizdavic-Nikolaidis, Marija ^{[1
]}

机构：

[1] Univ Auckland, Sch Chem Sci, Auckland 1, New Zealand

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2014年 / 62卷 / 22期

关键词：

electrospinning; zein; gallic acid; heat treatment; physicochemical properties; SOLID-STATE; ZEIN; CONFORMATION; FABRICATION; KERATIN; FILMS;

D O I：

10.1021/jf500841m

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Effects of heat treatment on structure and physicochemical properties of zein (Ze) and gallic acid loaded zein (Ze-GA) electrospun fiber mats were investigated. The electrospun fiber mats displayed different surface and physicochemical properties after being heat-cured at 150 degrees C for 24 h, which were closely related to the initial amount of loaded gallic acid. The gallic acid was released from the Ze-GA fiber mats in a constant manner, but heat curing decreased the rate of release. Heat curing remarkably increased the molecular weight of the Ze and Ze-GA electrospun fiber mats. Attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) analysis of the fiber mats indicated variations in zein protein secondary structure after heat curing. C-13 solid state NMR (SS-NMR) confirmed the presence of a different chemical environment among the fiber mats. The fabrication of heat-cured zein based electrospun fibers in this study may find applications in the food packaging industry.

引用

页码：5163 / 5172

页数：10

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