Issue 51, 2019

Effects of polyols on the quality characteristics of sucrose-free milk chocolate produced in a ball mill

Abstract

Sucrose-free milk chocolates containing different types of bulk (isomalt, xylitol and maltitol) and high intensity (Stevia) sweeteners were produced by using a ball mill. The main quality characteristics of the formulated chocolates were evaluated and compared with those of the conventional sample containing sucrose. The Casson model was the best fitting model for the rheological data. Casson viscosity and Casson yield stress were significantly affected by the type of bulking agent in chocolates formulated with xylitol (p < 0.05). However xylitol notably improved the overall acceptability according to the sensory analysis results. Chocolates containing the sucrose replacers demonstrated lower Tonset values and higher enthalpy than the control sample. Sucrose-free chocolates illustrated a higher degree of particle agglomeration. Bulk sweeteners meanwhile seem to have high potential for milk chocolate production with low calorie values by using the ball mill technique. Industrial applications: the production of sucrose-free chocolates with conventional methods requires a lot of time and energy. Recently, using alternative methods for chocolate production has been raising interest in many small industries. This study proposed a ball mill method for the preparation of sucrose-free milk chocolates with physiochemical properties almost ranging in the standard limit defined for chocolate. Although using the ball mill method presents a more cost-effective technique for chocolate production and provides shorter processing times for small chocolate industries, it seems to be less efficient in evaporating moisture than the conventional processing. Challenges are still ahead for upgrading this alternative technique to be efficient in evaporating more moisture during operation ending in a high quality product.

Graphical abstract: Effects of polyols on the quality characteristics of sucrose-free milk chocolate produced in a ball mill

Article information

Article type
Paper
Submitted
14 Jun 2019
Accepted
06 Sep 2019
First published
19 Sep 2019
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2019,9, 29676-29688

Effects of polyols on the quality characteristics of sucrose-free milk chocolate produced in a ball mill

A. H. Rad, H. Rasouli Pirouzian, N. Konar, O. S. Toker and D. G. Polat, RSC Adv., 2019, 9, 29676 DOI: 10.1039/C9RA04486H

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