Abstract

Introduction. Iodine is one of the most important elements for maintaining human health and cognitive skills. Contemporary food industry is looking for new functional foods fortified with macro- and micronutrients. Confectionery products occupy a fairly large segment of human diet. The present research objective was to substitute traditional white sugar with an experimental granulated sugar-containing product that contained maltodextrin, cane molasses, and Japanese kelp extract. This substitute could reduce the calorie content of jelly and increase its functional properties while maintaining its sensory profile, e.g. consistency, increasing its shelf-life, and simplifying the tec hnological process.
Study objects and methods. Granulated sugar-containing product is a new component for the confectionery industry, but its effect on technological processes is unpredictable. The research featured an experimental granulated sugar-containing product with maltodextrin, cane molasses, and Japanese kelp. The growth rate of granules and their structure were studied by scanning microscopy and radiography, the granulometric composition and solubility – by determining the relative dissolution rate, the effect of the granulated sugar-containing product on the sensory and physicochemical parameters of jelly – by refractometry and titrometry.
Results and discussion. The experimental granulated sugar-containing product contained sucrose both in crystalline and amorphous state, which affected the distribution of nutrients within the product. The growth rate of granules affected the resulting structure of the product and its solubility, which decreased by 2.5 times as the size of the granules grew. The dissolution rate decreased compared to crystalline sugar. As a result, the technological process of jelly production had to be adjusted. The developed jelly had a lower energy value and better nutritional qualities. The high content of vitamins and macro- and microelements makes it a functional product. The experimental jelly received 22.3 points for sensory profile. Its hysico-chemical parameters (soluble solids < 68%, acidity > 2.2 8%) met the standard requirements for this type of product.
Conclusion. The new granulated sugar-containing product simplified the technological process and improved the sanitary, hygienic, and working conditions.

Keywords

Jelly, jelly product, iodine, white sugar, crystal seed, laminaria, maltodextrin, molasses

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