Fatty Acid Content and Oxidative Stability in Eggs and Breast Muscle of Sasso Chickens Fed Different Levels of Dodonaea angustifolia Polyphenol in Flaxseed-Enriched Diets

Desalew Tadesse (), Negussie Retta, Wondmeneh Esatu, Henock Woldemichael Woldemariam, Nicholas Ndiwa, Olivier Hanotte, Paulos Getachew (), Dirk Dannenberger and Steffen Maak
Additional contact information
Desalew Tadesse: Department of Animal Production and Welfare, Mekelle University, Mekelle 231, Ethiopia
Negussie Retta: Center for Food Science and Nutrition, Addis Ababa University, Addis Ababa 1176, Ethiopia
Wondmeneh Esatu: LiveGene, International Livestock Research Institute (ILRI), Addis Ababa 5689, Ethiopia
Henock Woldemichael Woldemariam: Department of Chemical Engineering, College of Biological and Chemical Engineering, Addis Ababa Science and Technology University, Addis Ababa P.O. Box 16417, Ethiopia
Nicholas Ndiwa: Research Methods Group, International Livestock Research Institute (ILRI), Nairobi 30709, Kenya
Olivier Hanotte: LiveGene, International Livestock Research Institute (ILRI), Addis Ababa 5689, Ethiopia
Paulos Getachew: Center for Food Science and Nutrition, Addis Ababa University, Addis Ababa 1176, Ethiopia
Dirk Dannenberger: Research Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany
Steffen Maak: Research Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany

Agriculture, 2024, vol. 14, issue 7, 1-14

Abstract: In chicken diet with dietary fat, adding plant polyphenols as a natural antioxidant is recommended to enhance the n-3 polyunsaturated fatty acid (n-3 PUFA) content and improve oxidative stability in meat and eggs. However, high plant polyphenol doses could act as a pro-oxidant and interfere with the absorption of n-3 PUFAs. The study aimed to determine the effects of Dodoneae angustifolia ( D. angustifolia ) polyphenol levels in flaxseed-enriched diets on fatty acid content and oxidative stability in the meat and eggs of Sasso chickens. Chickens received 0, 200, 500, or 800 mg of D. angustifolia extract/kg diet designated as DA0, DA2, DA5, and DA8 treatments, respectively. Results showed that the breast muscle content of docosahexaenoic acid (DHA, C22:6n-3) in 200 and 500 mg extract/kg diet and eicosapentaenoic acid (EPA, C20:5n-3) in 800 mg extract/kg diet increased ( p < 0.05) compared to those who did not receive. Feeding D. angustifolia polyphenol levels had no significant effect on egg yolk n-3 PUFA content. However, a decrease ( p < 0.05) in egg yolk n-6 PUFAs was observed in hens with an increase in the dose of D. angustifolia polyphenol extract. In breast muscle, feeding on a 500 mg extract/kg diet decreased lipid peroxidation ( p < 0.05) compared to the control diet. However, feeding different doses of D. angustifolia extracts had no effect on egg yolk lipid peroxidation.

Keywords: Dodonaea angustifolia extract; flaxseed; fatty acids; meat; eggs; lipid peroxidation; slow-growing Sasso chicken (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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