Abstract
This study was conducted in the Department of Food Sciences - College of Agriculture - University of Tikrit to estimate the chemical and physical properties of yogurt prepared by adding aloe vera extract. The yogurt was made in a laboratory by following the standard method, where the manufactured yogurt was fortified with different concentrations of aloe vera extract (5, 4, 3, 2, 1%). Chemical tests were carried out, which included (estimation of protein, moisture, fat, ash and total solids), as well as physical tests, which included (estimation of viscosity, pH, turbidity, whey translucency, water binding strength and acidity). The results showed an increase in total solids through an increase in the percentage of protein, moisture, ash, turbidity, water binding strength and viscosity, while the percentage of whey permeation and pH decreased. These results are consistent with the results of the samples obtained after storage, as the study helped to improve the physicochemical properties by increasing the concentrations of the main chemical compounds of the laboratory-made yogurt.
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