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Keywords = Actinidia deliciosa fruit snacks

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16 pages, 2230 KiB  
Article
Sustainable Approach for Development Dried Snack Based on Actinidia deliciosa Kiwifruit
by Malgorzata Nowacka, Cinzia Mannozzi, Marco Dalla Rosa and Urszula Tylewicz
Appl. Sci. 2023, 13(4), 2189; https://doi.org/10.3390/app13042189 - 8 Feb 2023
Cited by 6 | Viewed by 2178
Abstract
The aim of this study was to evaluate the method of producing shelf-stable snacks based on kiwifruit with the objective of obtaining an appealing snack with good taste, color, and nutritional value. Less valuable kiwifruits for size and shape were utilized in order [...] Read more.
The aim of this study was to evaluate the method of producing shelf-stable snacks based on kiwifruit with the objective of obtaining an appealing snack with good taste, color, and nutritional value. Less valuable kiwifruits for size and shape were utilized in order to reduce kiwifruit production waste. To obtain the snacks, two drying methods were used: freeze-drying and hot air drying. Physical and chemical analyses were conducted. Furthermore, a sensory evaluation was undertaken. The results showed that both hot-air and freeze-drying methods are suitable for obtaining a good quality snack, which was attractive to consumers. However, the freeze-dried snack was better assessed than hot-air dried. Moreover, consumers preferred snacks with additional sucrose or trehalose to those without it. It was observed that products produced using the freeze-drying process had lower water content, and lower water activity, were brighter, had a more saturated color, and had similar or higher antioxidant activity, especially for samples made from kiwi, fennel, and spinach. The drying process allows for obtaining a snack that can be stored at room temperature. Freeze drying better preserved bioactive compounds compared to air drying. The freeze-dried samples were more appreciated by consumers than the air-dried and those containing sweetener. Full article
(This article belongs to the Special Issue Drying Technologies in Food Processing)
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