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Extraction and Physicochemical Characterization of Gelatin from Chicken By‐Product

Identifieur interne : 000B79 ( Istex/Corpus ); précédent : 000B78; suivant : 000B80

Extraction and Physicochemical Characterization of Gelatin from Chicken By‐Product

Auteurs : Poliana Fernandes Almeida ; Suzana Caetano Da Silva Lannes

Source :

RBID : ISTEX:77FEB4488C5A6FAC436922DF6A7EEFA9CE5A9B14

Abstract

Physicochemical properties of gelatin gels extracted from skins and tendons of chicken feet were characterized as an alternative to mammalian gelatin commonly used commercially. After extraction, the preparation of gels for analysis was made by dissolving the dry gelatin with two concentrations: 3.33 and 6.67% (w/w) in distilled water. The determination of gel strength and texture profile analysis was performed using texture analyzer. Gelatin showed high protein content and the value observed for gel strength was higher for the gelatin with concentration of 6.67% (294.78 g), classified as high bloom, while for the gelatin with concentration of 3.33% (96.47 g) was lower, low bloom. The hardness and chewiness increased significantly with increasing concentrations of gelatin and the gelatin with concentration (6.67%) behaved as a solid and it can be used in the preparation of gelatin gums, marshmallows, gelatin dessert among others that requiring high bloom.

Url:
DOI: 10.1111/jfpe.12051

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ISTEX:77FEB4488C5A6FAC436922DF6A7EEFA9CE5A9B14

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<abstract>Physicochemical properties of gelatin gels extracted from skins and tendons of chicken feet were characterized as an alternative to mammalian gelatin commonly used commercially. After extraction, the preparation of gels for analysis was made by dissolving the dry gelatin with two concentrations: 3.33 and 6.67% (w/w) in distilled water. The determination of gel strength and texture profile analysis was performed using texture analyzer. Gelatin showed high protein content and the value observed for gel strength was higher for the gelatin with concentration of 6.67% (294.78 g), classified as high bloom, while for the gelatin with concentration of 3.33% (96.47 g) was lower, low bloom. The hardness and chewiness increased significantly with increasing concentrations of gelatin and the gelatin with concentration (6.67%) behaved as a solid and it can be used in the preparation of gelatin gums, marshmallows, gelatin dessert among others that requiring high bloom.</abstract>
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<identifier type="eISSN">1745-4530</identifier>
<identifier type="DOI">10.1111/(ISSN)1745-4530</identifier>
<identifier type="PublisherID">JFPE</identifier>
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<date>2013</date>
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<number>36</number>
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<identifier type="DOI">10.1111/jfpe.12051</identifier>
<identifier type="ArticleID">JFPE12051</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 2013 Wiley Periodicals, Inc.© 2013 Wiley Periodicals, Inc.</accessCondition>
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