4.7 Article

Egg Quality Index: A more accurate alternative to the Haugh unit to describe the internal quality of goose eggs

Journal

FOOD BIOSCIENCE
Volume 55, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.fbio.2023.102968

Keywords

Goose eggs; Haugh unit; Egg quality index; Albumen index

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Evaluating goose egg quality is crucial for improving goose production for human consumption. This study proposes an alternative Egg Quality Index (EQI) based on physical characteristics, which can provide more options and nuanced variations in determining goose egg quality compared to the commonly used Haugh unit (HU) score. Two calculation equations are developed, taking into account the weight, albumen height, yolk diameter, and yolk height. Simulation methods and analysis of a virtual goose egg database support the preference for EQI over HU. This novel index shows promise for linking structure and functionality in goose eggs and has potential applications in food and poultry industries.
Enhancing goose production for human consumption requires evaluating the quality of goose eggs based on their physical characteristics. Grounded on the theoretical and experimental studies, we developed two calculation formulae that enabled the computation of Egg Quality Index (EQI) as an alternative to the widely used Haugh unit (HU) score in assessing goose egg quality. In addition to the egg weight (W) and the height of thick albumen (H), this computation takes into account the indicators for the yolk, i.e., its diameter (d) and height (h). Depending on the research preferences when measuring d or h, one of the two proposed calculation equations can be employed. Using simulation methods that considered all possible combinations of W, H and d values, we created and analyzed a database of virtual goose eggs. As a result, we found that the use of EQI as compared to HU seems preferable due to the possibility to evaluate a greater number of options and nuances of variation in quality characteristics in goose eggs. The proposed novel index for defining the goose egg quality can be a promising and useful tool for linking structure and functionality in goose eggs and for further application in food and poultry industries.

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