Journal
JOURNAL OF FOOD PROCESSING AND PRESERVATION
Volume 46, Issue 3, Pages -Publisher
WILEY-HINDAWI
DOI: 10.1111/jfpp.16316
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Funding
- National University de Entre Rios [PID NOVEL 9096, PID 9084]
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A nougat filling formulation sweetened with honey was optimized using a two-factor design. The optimum filling contained 5% pecans and 7% blueberry powder and showed good mechanical properties and sensory characteristics. This product has high market potential.
A nougat filling formulation sweetened with honey was optimized using a two-factor design with three levels (3%, 5%, and 7%) for pecans and blueberry powder. Chromatic parameters, water activity, moisture content, and mechanical properties were analyzed using response surface models. According to global desirability criterion, the optimum nougat filling contained 5% pecans and 7% blueberries powder, and it was characterized by: 0.622 N (cutting force), -0.037 N/mm (adhesiveness), 1.03 (elasticity), 0.886 (cohesiveness), 0.664 (water activity), and 18.3% (humidity). Then, the optimum filling was employed to develop a nougat snack, and its storage stability was followed for 35 days. At 25 degrees C the nougat retained its quality properties while at 35 degrees C the fracture stress decreased 3.6 times. Sensory analysis showed very high consumers' interest in the nougat. The results suggest that the product could have a high potential to be launched into the market. Novelty impact statement The novelty of this work stands on the development of a new type of confectionery product following the actual trends to pursue a healthier diet, by increasing fruits and nuts consumption. In this sense, a nougat containing blueberries and pecan nuts was developed, and a sugar/syrup replacement strategy was applied, by using honey as a sweetener in order to attain a sensory acceptable product. Finally, this alternative snack with interesting nutritive input may also be developed from sub-standard blueberries and pecan nuts, adding value to these products.
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