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Development of Hydrogels for Entrapment of Vitamin D3: Physicochemical Characterization and Release Study

Development of Hydrogels for Entrapment of Vitamin D3: Physicochemical Characterization and... In this study two carbohydrate biopolymers were used to entrap vitamin D3. In order to optimize the microencapsulation parameters, response surface methodology was applied to evaluate the effects of three independent variables (alginate percentage, vitamin: alginate weight ratio, and ultrasound time) on the efficiency of microencapsulation and loading capacity. According to the results, 0.23% alginate (W/V), 1: 5 weight ratio of vitamin D3: alginate, and 13.7 min ultrasound time were determined as the optimal conditions for obtaining maximum microencapsulation efficiency (92.86%) and loading capacity (30.1%). Then, the optimized carrier was coated by chitosan followed by the examinations of morphological characteristics, mean particle size, Fourier transform infrared (FTIR) spectrometry, in vitro release characteristics, and release modeling. Scanning electron microscopy examinations showed that the alginate and alginate-chitosan microcapsules had irregular and interlacing forms. The average particle sizes of alginate and alginate-chitosan were 11.3 and 23.3, respectively, which decreased to 9.8 and 14.0 μm after drying. Results of FTIR indicated a physical interaction between alginate and vitamin D3. The Weibull II model was found to be the best one to predict vitamin release behavior. The results of this study showed the potential application of developed carriers to encapsulate hydrophobic compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Food Biophysics Springer Journals

Development of Hydrogels for Entrapment of Vitamin D3: Physicochemical Characterization and Release Study

Food Biophysics , Volume 13 (3) – May 29, 2018

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References (43)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Chemistry; Food Science; Biological and Medical Physics, Biophysics; Analytical Chemistry
ISSN
1557-1858
eISSN
1557-1866
DOI
10.1007/s11483-018-9534-7
Publisher site
See Article on Publisher Site

Abstract

In this study two carbohydrate biopolymers were used to entrap vitamin D3. In order to optimize the microencapsulation parameters, response surface methodology was applied to evaluate the effects of three independent variables (alginate percentage, vitamin: alginate weight ratio, and ultrasound time) on the efficiency of microencapsulation and loading capacity. According to the results, 0.23% alginate (W/V), 1: 5 weight ratio of vitamin D3: alginate, and 13.7 min ultrasound time were determined as the optimal conditions for obtaining maximum microencapsulation efficiency (92.86%) and loading capacity (30.1%). Then, the optimized carrier was coated by chitosan followed by the examinations of morphological characteristics, mean particle size, Fourier transform infrared (FTIR) spectrometry, in vitro release characteristics, and release modeling. Scanning electron microscopy examinations showed that the alginate and alginate-chitosan microcapsules had irregular and interlacing forms. The average particle sizes of alginate and alginate-chitosan were 11.3 and 23.3, respectively, which decreased to 9.8 and 14.0 μm after drying. Results of FTIR indicated a physical interaction between alginate and vitamin D3. The Weibull II model was found to be the best one to predict vitamin release behavior. The results of this study showed the potential application of developed carriers to encapsulate hydrophobic compounds.

Journal

Food BiophysicsSpringer Journals

Published: May 29, 2018

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