دانلود Effects of a Chitosan Coating on Properties of Retinol- Encapsulated Zein Nanoparticles

ترجمه مقاله Effects of a Chitosan Coating on Properties of Retinol- Encapsulated Zein Nanoparticles
قیمت : 255,000 ریال
شناسه محصول : 2009192
نویسنده/ناشر/نام مجله : Food Science and Biotechnology
سال انتشار: 2015
تعداد صفحات انگليسي : 9
نوع فایل های ضمیمه : Pdf+Word
حجم فایل : 603 Kb
کلمه عبور همه فایلها : www.daneshgahi.com
عنوان انگليسي : Effects of a Chitosan Coating on Properties of Retinol- Encapsulated Zein Nanoparticles

چکیده

Abstract

Zein nanoparticles coated with chitosan were prepared for encapsulation of retinol. The mean particle size of retinol-loaded zein nanoparticles was approximately 300 nm. After coating with chiotsan, the mean particle size increased to >500 nm. The zeta potential of retinol-loaded zein nanoparticles was approximately -30 mV, which was changed to >+24 mV after chitosan coating. The encapsulation efficiency of zein nanoparticles increased from 64.9% to >80% after chitosan coating. The release profile was greatly improved with a chitosan coating, and a slow release rate was observed. FTIR analysis of retinol-loaded chitosan-coated zein nanoaprticles showed cross-linking between zein and retinol through electrostatic interactions. Photochemical stability against UV light was greatly improved to >90% after encapsulation. The concentration of chitosan, the Mw of chitosan, and the zein/chitosan volume ratio were important parameters affecting the properties of nanoparticles.

Keywords: retinol zein chitosan nanoparticle encapsulation
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