Research Article

The Level of Fat- and Water-Soluble Antioxidants in Eggs of Free-Range Geese during a Production Season

Volume: 33 Number: 4 December 31, 2023
EN

The Level of Fat- and Water-Soluble Antioxidants in Eggs of Free-Range Geese during a Production Season

Abstract

In this investigation, egg yolk and egg white water and fat-soluble antioxidant concentrations of geese eggs were determined during a production season according to months and weeks. Breeders consumed 100 g commercial layer feed per day during a production season. The farm was located at a semi-open prison of the Ministry of Justice in Van city. Fat-soluble (vitamin A, E, total and individual carotene) of egg yolk and water-soluble (ascorbic acid and GSH) antioxidants of egg white of geese were measured in February, March, April and May per week gazed in pasture conditions. Roche Yolk Color Fun (RYCF) values and Minolta (L* brightness, a* redness, and b* yellowness) values varied according to months and statistically significant differences were observed (p <0.05). RYCF, a * redness, and b *yellowness values were the lowest in February and L* brightness values were the highest in February (p <0.001). According to months (February-May), the egg yolk concentration of vitamin A (retinol) were 3.05±0.11, 1.84±0.10, 1.93±0.09, 2.84±0.19 µg g-1, total vitamin E were 26.87±1.80, 25.07±1.64, 38.16±1.71, 34.30±1.89 µg g-1, and total carotene were 15.49±1.44, 19.50±1.79, 42.39±1.99, 44.30±2.03 µg g-1 (p <0.05), respectively. In this study, lutein, cis-lutein, zeaxanthin, apoester, canthaxanthin, and beta-carotene were identified as individual carotene in goose egg yolks. Glutathione (GSH) and Vitamin C or ascorbic acid (AA) were detected in geese eggs white in the last two weeks of February and four weeks of March, April, and May. The results were recorded as: 0.91±0.14, 1.83±0.19, 2.69±0.15, 1.97±0.09 µg g-1 for AA and 7.71±1.86, 33.22±2.14, 45.37±2.41, 38.75±1.50 µg g-1 for GSH respectively. Both water-soluble GSH and AA data were significantly lower in February and were significantly higher in April (p <0.05) compared to other months.

Keywords

Supporting Institution

The Head of YYU Scientific Research Project Unit (BAP)

Project Number

FYL-2019-7877

Thanks

The authors gratefully acknowledge The Head of YYU Scientific Research Project Unit (BAP) for finnacial support as a “FYL-2019-7877” Project code.

References

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Details

Primary Language

English

Subjects

Animal Feeding

Journal Section

Research Article

Early Pub Date

December 15, 2023

Publication Date

December 31, 2023

Submission Date

July 19, 2023

Acceptance Date

November 22, 2023

Published in Issue

Year 2023 Volume: 33 Number: 4

APA
Akyıldız, Z., & Karadaş, F. (2023). The Level of Fat- and Water-Soluble Antioxidants in Eggs of Free-Range Geese during a Production Season. Yuzuncu Yıl University Journal of Agricultural Sciences, 33(4), 675-688. https://doi.org/10.29133/yyutbd.1329892
Creative Commons License
Yuzuncu Yil University Journal of Agricultural Sciences by Van Yuzuncu Yil University Faculty of Agriculture is licensed under a Creative Commons Attribution 4.0 International License.