ABSTRACT Isomaltulose is a non-cariogenic sugar with a lower glycemic index but with the same cal... more ABSTRACT Isomaltulose is a non-cariogenic sugar with a lower glycemic index but with the same caloric value and visual appearance as sucrose. Therefore, isomaltulose could potentially be used to produce healthier candies. In this regard, the aim of this research was to evaluate isomaltulose as a traditional sugar replacer in soft marshmallow type candies, in order to provide added value to these widely consumed products, making it possible to capture a new market niche. 18 formulations were studied combining different sugars (sucrose, glucose syrup, fructose and isomaltulose) and different percentages of gelatine (4, 5 and 6). Analyses of composition (°Brix and moisture content), pH and water activity (aw), instrumental colour and texture as well as a sensorial analysis were performed. Marshmallows with isomaltulose combined with fructose exhibited the lowest values of pH (4.99-5.14). Moreover, formulations with similar amount of isomaltulose and fructose presented lower instrumental hardness, higher cohesiveness and springiness, and the best sensory acceptance. A PLS multivariate analysis showed a good correlation between instrumental and sensory-mechanical parameters. Therefore, instrumental measures of texture could be suitable for discerning an overall preference for marshmallows without using trained panellists.
ABSTRACT The replacement of traditional sugars by isomaltulose could be a revolution in the confe... more ABSTRACT The replacement of traditional sugars by isomaltulose could be a revolution in the confectionery sector, since isomaltulose is a functional, digestible, non-cariogenic and low glycemic disaccharide. This study assesses the addition of isomaltulose (ranging between 30–70% in combination with fructose) with different percentages of gelatine (6–10%) in gummy confection by analyzing its effect on composition, water activity (aw), pH, mechanical and optical properties, and sensory perception. Results show that the combination of 30% isomaltulose and 70% fructose in the total amount of sugars would be suitable for developing functional gummy confections. Besides its stability (aw (0.79±0.02) and °Brix (73.5±1.3)) and great similarity to commercial gummies in terms of optical and mechanical properties, it received high global acceptability and intention of buying scores. Additionally, the correlation between instrumental and sensory parameters leads to the conclusion that the instrumental texture could be suitable for evaluating consumer's global acceptability for this innovative product.
ABSTRACT Isomaltulose is a non-cariogenic sugar with a lower glycemic index but with the same cal... more ABSTRACT Isomaltulose is a non-cariogenic sugar with a lower glycemic index but with the same caloric value and visual appearance as sucrose. Therefore, isomaltulose could potentially be used to produce healthier candies. In this regard, the aim of this research was to evaluate isomaltulose as a traditional sugar replacer in soft marshmallow type candies, in order to provide added value to these widely consumed products, making it possible to capture a new market niche. 18 formulations were studied combining different sugars (sucrose, glucose syrup, fructose and isomaltulose) and different percentages of gelatine (4, 5 and 6). Analyses of composition (°Brix and moisture content), pH and water activity (aw), instrumental colour and texture as well as a sensorial analysis were performed. Marshmallows with isomaltulose combined with fructose exhibited the lowest values of pH (4.99-5.14). Moreover, formulations with similar amount of isomaltulose and fructose presented lower instrumental hardness, higher cohesiveness and springiness, and the best sensory acceptance. A PLS multivariate analysis showed a good correlation between instrumental and sensory-mechanical parameters. Therefore, instrumental measures of texture could be suitable for discerning an overall preference for marshmallows without using trained panellists.
ABSTRACT The replacement of traditional sugars by isomaltulose could be a revolution in the confe... more ABSTRACT The replacement of traditional sugars by isomaltulose could be a revolution in the confectionery sector, since isomaltulose is a functional, digestible, non-cariogenic and low glycemic disaccharide. This study assesses the addition of isomaltulose (ranging between 30–70% in combination with fructose) with different percentages of gelatine (6–10%) in gummy confection by analyzing its effect on composition, water activity (aw), pH, mechanical and optical properties, and sensory perception. Results show that the combination of 30% isomaltulose and 70% fructose in the total amount of sugars would be suitable for developing functional gummy confections. Besides its stability (aw (0.79±0.02) and °Brix (73.5±1.3)) and great similarity to commercial gummies in terms of optical and mechanical properties, it received high global acceptability and intention of buying scores. Additionally, the correlation between instrumental and sensory parameters leads to the conclusion that the instrumental texture could be suitable for evaluating consumer's global acceptability for this innovative product.
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