ASSESSMENT OF THE BIOLOGICAL VALUE OF MEAT AND PLANT CANNED SECOND-COURSE PRODUCTS USING THE FACTOR AREA METHOD
DOI:
https://doi.org/10.31548/humanhealth.2.2026.129Keywords:
essential amino acids, amino acid score, integrated assessment, factor space, protein quality, functional foods, balanced nutritionAbstract
Providing the population with high-biological-value food products is one of the priority directions in the development of modern food technologies. The development of meat-and-plant canned second-course products capable of supplying the human body with a balanced complex of essential amino acids is of particular importance. In this regard, the application of modern methods for the integrated assessment of nutritional and biological value is highly relevant. This study aimed to evaluate the biological value of meat-and-plant canned second-course products based on their essential amino acid composition using the factor area method.
The study's objects were a control sample and three experimental samples of meat-and-plant canned products. The assessment was performed by comparing the amino acid composition of the products with the FAO/WHO-recommended reference values. For the integrated characterization of product quality, the factor area method was applied, including transforming quality indicators into dimensionless values, constructing geometric models of the factor space, and determining quality compliance coefficients.
The results demonstrated that all experimental samples exhibited higher biological value than the control sample. For Sample 1, the quality compliance coefficient was 1.16, indicating that the biological value exceeded the reference level by 16.15%. Sample 2 showed a coefficient of 1.26, corresponding to a 26.33% increase compared with the reference value. The highest biological value was observed for Sample 3, for which the quality compliance coefficient reached 1.35, while the excess over the reference level amounted to 35.1%. It was established that lysine, isoleucine, and the combined content of phenylalanine and tyrosine made the greatest contribution to the improvement of biological value in the experimental formulations. The factor space area for Sample 3 reached 3.84 conventional units², the highest among all tested formulations. Compared with the control sample, the integrated quality index of Sample 3 was 51% higher.
The findings confirmed that the factor area method is an effective tool for the comprehensive quantitative assessment of the biological value of food products and for identifying the most promising formulation solutions. The practical significance of the study lies in the potential to apply the results to the development of meat-and-plant canned products with enhanced nutritional and biological value, intended for rational human nutrition.
Received: March 30, 2026; Accepted: May 28, 2026; Published: June 22, 2026.
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