Abstract

PEREIRA, Mateus Roberto et al. Evaluation of the physical properties of chicken eggs with different types of shell coating. rev. colombiana cienc. anim. Recia [online]. 2023, vol.15, n.2, e01.  Epub Feb 21, 2024. ISSN 2027-4297.  https://doi.org/10.24188/reeia.v15.n2.2023.966.

This study aimed to evaluate the possible effects of storage for up to 28 days on the quality of hen eggs coated with different materials in the shell. Were used 300 eggs from 52-week-old Hisex White laying hens. Control samples (eggs without any type of synthetic coating), with gelatin coating on the entire egg, with gelatin coating only on the air chamber region, with mineral oil coating on the whole egg and with mineral oil coating only on the region of the air chamber were evaluated in natura and after seven, 14, 21 and 28 days of storage at room temperature. Physical analyzes were performed (white and yolk pH, yolk color, storage weight loss, yolk and albumen index, albumen, yolk and shell weights) in all samples. It can be seen that the use of surface coatings delayed the process of loss of internal quality of the eggs, and the coating on the entire surface, regardless of type, was more efficient than just coating the surface of the air chamber.

Keywords : Air chamber; colorless gelatin; indoor quality; laying hens; mineral oil; storage.

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