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Abstract
ABSTRACTGelatin is one of the most widely used food ingredients, with wide applications in the food industry as stabilizing, gelling, and foaming agents. Fish skin is the basic source of gelatin, which contains a high amount of protein. The results show that the proximate compositions (protein, fat, ash, moisture, fiber, carbohydrate, and total energy) of the optimized ice cream product with ingredient compositions of (30% milk, 40% avocado pulp, 10% sugar, 15% gelatin, and 5% cream) show values of 3.26 ± 0.35, 9.32 ± 0.22, 2.79 ± 0.02, 57.83 ± 0.14, 3.46 ± 0.24, 23.26 ± 0.71, and 190.54 ± 0.02, respectively. Also, the microbe load in the optimized ice cream product was not detected up to 1 week, while total plate count and Staphylococcus aureus bacteria were starting to grow up after a week, and the results of panelists from sensory values indicate high acceptability of products with the aim of assessing the influence of fish skin gelatin on the nutritional values of avocado‐based low‐fat ice cream. Considering the results, gelatin has a significant effect on the nutritional and rheological properties of ice cream, specifically striking visibility on protein composition.
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