Shakarim University of Semey, Semey City, 071412, Kazakhstan
Alikhan Bokeikhan University, Semey City, 071400, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
Shakarim University of Semey, Semey City, 071412, Kazakhstan
10Kazakh Research Institute of Processing and Food Industry (Semey Branch), Semey 071410, Kazakhstan
This study describes the formulation and evaluation of a low-fat soft curd enriched with 8 % collagen concentrate and 4 % plant extracts from sea-buckthorn/rose-hip (Sample 1) or yarrow/sage (Sample 2). Both enriched variants outperformed an unfortified control in physicochemical tests, exhibiting significantly higher water-holding capacity (p < 0.05), viscosity, and mechanical stability coefficient, as well as lower water activity and reduced yeast and mold counts. Sensory evaluations confirmed that Sample 1 retained the highest taste, aroma, consistency, and color scores over five days, especially at 4–6 °C (p < 0.05). Storage at 0–2 °C emerged as optimal, with Sample 1 demonstrating minimal syneresis (<3 % water loss), negligible post-acidification, and sustained gel strength for at least 96 h. The combined structural reinforcement of collagen and the antioxidant and antimicrobial actions of plant bioactives, particularly in the sea-buckthorn/rose-hip blend, extend shelf life and support the development of functional dairy products for athletes and health-conscious consumers.
Louisiana Tech University
Louisiana Tech University