Abstract
The aim of the study was to determine the influence of enriching liver sausages with different levels of walnut paste on the quality properties of this product. Sausages were produced with 5, 10, 15, 20, and 25% amount additions of walnut paste and without the addition of nuts (control product). It was found that walnut paste, especially when introduced at an amount >15%, was a component that limited thermal losses and significantly modified the characteristics of liver sausages. The addition of walnut paste also increased the fat content of liver sausages by two–three times, which was one of the factors that weakened their structure, including lowering their compression, shear, and penetration force but increasing their spreadability. Moreover, the addition of walnut paste at an amount of ≥20% resulted in the products having a slightly different color, with lower values for the a* color parameter. Such changes were assessed as a favorable modification to the product, increasing its overall desirability, especially with the addition of walnut paste at the level of 20%. Walnut paste can therefore be a valuable ingredient that allows for the development of a health-promoting product with improved quality features. However, with the addition of a walnut paste at an amount of 25%, it is necessary to take into account the more rapid and unfavorable fat changes that occur during the storage of the liver sausages, as indicated by about 50% higher TBARS values (compared to the control product).
Funder
Food and Nutrition Centre—modernisation of the WULS campus to create a Food and Nutrition Research and Development Centre
Subject
Plant Science,Health Professions (miscellaneous),Health (social science),Microbiology,Food Science
Cited by
2 articles.
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