Research of technological properties of biochemically modified pectin substances

Authors

DOI:

https://doi.org/10.15587/2312-8372.2015.40512

Keywords:

low-esterified pectin substances, solubility, viscosity, calcium salt, pectin methyl esterase, gel formation

Abstract

The paper presents the results of experimental studies to determine the mass fraction of effectors – calcium ions, which allow you to adjust the solubility of low-esterified pectin gel to create structural compositions depending on the time and concentration of enzymatic de-esterification of pectin in the solution.

Injection of calcium salts in a mixture having influence on both the solubility and the viscosity characteristics and the gelling ability of modified pectin solution. With injection of calcium salts in solution of citrus pectin it is observed their different behavior depending on the nature of amount of salts and introduced pectin. With an increase in the mass fraction of low-esterified pectin and calcium salts take place a gradual increase in viscosity of the solution with a transition to the dense gel, but higher concentrations of calcium lead to syneresis process.

It has been established that structural and mechanical properties of the gel affect the amount and type of pectin, as well as in its content in the composition of calcium ions. It is shown that low-esterified pectin substances may make up the thermoreversible gels. Anions of calcium salts significantly affect the structuring of the pectin and calcium cation allows receiving a variety of gel compositions with a mass fraction of pectin is not less than 0,6 g per 100 cm3, which is important for producing structured and canned foods.

Author Biography

Татьяна Ивановна Никитчина, Odessa National Academy of Food Technologies, Kanatnay 112, Odessa, Ukraine, 65039

Candidate of Technical Sciences

Department of biotechnology, food and beverage canned

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Published

2015-04-02

How to Cite

Никитчина, Т. И. (2015). Research of technological properties of biochemically modified pectin substances. Technology Audit and Production Reserves, 2(4(22), 34–39. https://doi.org/10.15587/2312-8372.2015.40512

Issue

Vol. 2 No. 4(22) (2015): Technologies of food, light and chemical industry

Section

Technologies of food, light and chemical industry

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Copyright (c) 2016 Татьяна Ивановна Никитчина

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