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Polyphenols in Ruminant Nutrition and Their Effects on Reproduction

Bešlo, Drago; Došlić, Gloria; Agić, Dejan; Rastija, Vesna; Šperanda, Marcela; Gantner, Vesna; Lučić, Bono (2022) Polyphenols in Ruminant Nutrition and Their Effects on Reproduction. Antioxidants, 11 (5). ISSN 2076-3921

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The feeding of domestic animals with diets in which polyphenols are present is increasingly attracting the attention of nutritionists and scientists. This review summarizes the knowledge regarding polyphenols’ possible positive and negative effects and their bioavailability. The bioavailability of substances is a prerequisite for any postabsorption effect in vivo. Positive and negative properties have been confirmed in previous studies on the diets of domestic animals rich in polyphenols, such as secondary metabolites of plants. Free radicals are formed in every organism, leading to oxidative stress. Free radicals are highly reactive molecules and can react in cells with macromolecules and can cause damage, including in reproductive cells. Some polyphenols at specific concentrations have antioxidant properties that positively affect animal reproduction by improving the quality of male and female gametes. The intake of phytoestrogens that mimic estrogen function can induce various pathological conditions in the female reproductive tract, including ovarian, fallopian, and uterine dysfunction. The metabolism of genistein and daidzein yields the metabolites equol and p-phenyl-phenol, leading to a decline in cow fertilization. The findings so far confirm that numerous questions still need to be answered. This review points out the importance of using polyphenols that have both benificial and some unfavorable properties in specific diets.

Item Type: Article
Additional Information: Basic Grants of Ministry of Science and Education of the Republic of Croatia
Uncontrolled Keywords: plant polyphenols; reproduction; antioxidant activity; farm animals; reactive oxygen species; reactive nitrogen species; free radicals
Divisions: NMR Center
Project titleProject leaderProject codeProject type
Bioprospecting Jadranskog mora-Rozelinda Čož-Rakovac; Verica Dragović-Uzelac; Božidar Šantek; Stela Jokić; Igor Jerković; Sandra Kraljević PavelićKK.
Depositing User: Bono Lučić
Date Deposited: 19 Feb 2024 12:49
DOI: 10.3390/antiox11050970

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