Formulation and characterization of yogurt prepared with enzymatically hydrolyzed potato powder and whole milk powder
- 8 May 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Journal of Food Science and Technology
- Vol. 59 (3), 1087-1096
- https://doi.org/10.1007/s13197-021-05112-6
Abstract
This study highlights the optimization of a suitable amount of enzymatically hydrolyzed potato powder (EHPP) with whole milk powder (WMP) to produce a quality yogurt. The yogurt was prepared with different levels of EHPP (0, 10, 15, 20, 25, 35 and 50% w/w) with WMP and evaluated after 24 h at 4 °C. The resulted product was analyzed on the basis of physicochemical, sensory, texture, antioxidant activity and microbiological analysis. The prepared yogurt showed a significant (p < 0.05) decrease in pH, protein and fat while acidity, moisture and ash contents were increased compared with control yogurt. In addition, textural parameters like hardness and adhesiveness were decreased while no significant (p < 0.05) change was found in springiness and cohesiveness. Moreover, color parameters such as L* and a* values decreased while b* values were increased. The current study suggested that the yogurt sample supplemented with 25% EHPP of WMP certainly improved the physicochemical, texture, microstructure, color, antioxidant and sensory properties of yogurt with EHPP. The prepared yogurt with EHPP provided an excellent flavor, satisfying sweetness, and homogeneous texture. The yogurt prepared from the EHPP presented potential industrial applications.Keywords
Funding Information
- Natural Science Foundation of Hubei Province (2018CFB269)
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