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1.
Poult Sci ; 100(10): 101379, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34411964

RESUMO

This paper presents the results of the research on the use of fish oil (FO) in combination with soybean oil (SO) in laying hens diet on physical and chemical properties of fresh eggs and those stored in a refrigerator for 28 d at + 4°C. Fatty acids (FA) profile, as well as thiobarbituric acid reactive substances (TBARS) values in yolks are also presented. The following feeding treatments have been used: C (control, without FO), E1 (0.3% FO + 4.7% SO), E2 (0.6% FO + 4.4% SO), E3 (0.9% FO + 4.1% SO), E4 (1.2% FO + 3.8% SO) and E5 (1.5% FO + 3.5% SO). Laying hens diets were balanced at the level of 176.10 g/kg crude protein and 11.50 MJ/kg ME. The results of the study showed that feeding treatments affected the relative shares of the eggs basic parts (P < 0.05). The egg storage duration significantly reduced Haugh units (HU), egg and albumen egg weight, and increased the yolk color intensity (P < 0.001). Fish oil share increment in the diets resulted in the EPA (eicosapentaenoic FA) content increase from 10.27 to 20.10 mg/100 g egg; DHA (docosahexaenoic FA) from 105.44 to 236.87 mg/100 g egg and ∑ n-3 PUFA (polyunsatureated FA) from 204.59 to 327.35 mg/100 g egg. The ∑ n-6 PUFA/∑ n-3 PUFA ratio decreased from 8.69 (C group) to 4.54 (E5 group). TBARS values were affected by feeding treatments as well as treatment-storage interactions (P < 0.01).


Assuntos
Ácidos Graxos , Óleos de Peixe , Ração Animal/análise , Animais , Galinhas , Dieta/veterinária , Gema de Ovo , Ovos , Feminino , Óvulo
2.
Glycobiology ; 31(9): 1163-1175, 2021 09 20.
Artigo em Inglês | MEDLINE | ID: mdl-34132788

RESUMO

This study determined the effect of n-3 polyunsaturated fatty acids (n-3 PUFAs)-enriched hen eggs consumption on immunoglobulin G (IgG) and total plasma protein N-glycan profiles and inflammatory biomarkers level in healthy individuals (N = 33) and cardiovascular (CV) patients (N = 21). Subjects were divided to Control-Healthy and Control-CV subgroups [consumed three regular hens' eggs/daily (249 mg n-3 PUFAs/day)], and n-3 PUFAs-Healthy and n-3 PUFAs-CV subgroups [consumed three n-3 PUFAs-enriched hen eggs/daily (1053 mg n-3 PUFAs/day)] for 3 weeks. Serum-free fatty acids profile and high-sensitivity C-reactive protein, interleukin 6 and 10 (IL-6, IL-10) and tumor necrosis factor alpha were measured. Total plasma protein and IgG N-glycome have been profiled before and after dietary protocols. Serum n-3 PUFAs concentration significantly increased following n-3 PUFAs hen eggs consumption in both n-3 PUFAs-Healthy and n-3 PUFAs-CV. IL-10 significantly increased in both Healthy subgroups, whereas no change occurred in CV subgroups. Derived IgG N-glycan traits: bisecting N-acetylglucosamine (B) significantly decreased in n-3 PUFAs-Healthy, whereas agalactosylation (G0) and core fucosylation (CF) significantly increased in Control-Healthy. Derived total plasma protein N-glycan traits: high branching glycans, trigalactosylation, tetragalactosylation, trisialylation, tetrasialylation and antennary fucosylation significantly decreased, whereas G0, monogalactosylation (G1), neutral glycans (S0), B, CF and oligomannose structures significantly increased in n-3 PUFAs-CV. Digalactosylation significantly decreased, and G0, G1, S0, disialylation, B and CF significantly increased in Control-CV. n-3 PUFAs consumption alters IgG N-glycan traits and IL-10 in healthy individuals, and total plasma protein N-glycan traits in CV patients, by shifting them toward less inflammatory N-glycosylation profile.


Assuntos
Galinhas , Ácidos Graxos Ômega-3 , Animais , Ácidos Graxos Ômega-3/química , Ácidos Graxos Insaturados , Feminino , Glicosilação , Humanos , Imunoglobulina G
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