Grape pomace in equine nutrition: effect on antioxidant status

The aim of this work was to evaluate the influence of a diet containing 5% dried GP on the antioxidant status (total antioxidant status (TAS), antioxidant enzyme activity (catalase-CAT, superoxide dismutase-SOD, and gluthatione peroxidase-GPx), and lipid peroxidation) on the key organs of the liver, kidneys, and spleen in relation to health status as indicated by blood biochemical parameters and total polyphenol content in the blood, organs (liver, spleen, kidney, mesenteric lymph nodes, heart, and brain) and Longissimus dorsi muscle in piglets. The GP diet results in a significant increase of TAS in the liver, spleen, and kidneys, with increased CAT activity in the spleen and kidneys, increased SOD activity in the liver, kidneys, and spleen, and increased GPx activity in the kidneys, as well as a decrease in lipid peroxidation in the liver and kidneys. The GP included in the piglets’ feed contained polyphenols that showed antioxidant activity and were absorbed in the plasma, contributing to maintaining the good health of the animals. The inclusion of 5% GP inclusion in the diets of piglets is beneficial for overall normal blood constituent metabolism and helps to maintain piglet health by increasing the polyphenol content in blood plasma and antioxidant activity in the liver, spleen, and kidneys.

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Effects of grape pomace and vitamin E on performance, antioxidant status, immune response, gut morphology and histopathological responses in broiler chickens

South African Journal of Animal Science ◽

10.4314/sajas.v48i2.13 ◽

2018 ◽

Vol 48 (2) ◽

pp. 324 ◽

Cited By ~ 10

Author(s):

S.K. Ebrahimzadeh ◽

B Navidshad ◽

P Farhoomand ◽

F Mirzaei Aghjehgheshlagh

Keyword(s):

Immune Response ◽

Vitamin E ◽

Broiler Chickens ◽

Antioxidant Status ◽

Grape Pomace ◽

Gut Morphology

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Addition of exogenous enzymes to diets containing grape pomace: Effects on intestinal utilization of catechins and antioxidant status of chickens

Food Research International ◽

10.1016/j.foodres.2017.02.010 ◽

2017 ◽

Vol 96 ◽

pp. 226-234 ◽

Cited By ~ 7

Author(s):

S. Chamorro ◽

A. Viveros ◽

A. Rebolé ◽

I. Arija ◽

C. Romero ◽

...

Keyword(s):

Antioxidant Status ◽

Grape Pomace ◽

Exogenous Enzymes

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Effect of Raw and Fermented Grape Pomace on the Growth Performance, Antioxidant Status, Intestinal Morphology, and Selected Bacterial Species in Broiler Chicks

Animals ◽

10.3390/ani11020364 ◽

2021 ◽

Vol 11 (2) ◽

pp. 364

Author(s):

Emrah Gungor ◽

Aydin Altop ◽

Guray Erener

Keyword(s):

Body Weight ◽

Growth Performance ◽

Broiler Chickens ◽

Antioxidant Status ◽

Bacterial Species ◽

Basal Diet ◽

Grape Pomace ◽

Intestinal Morphology ◽

Synthetic Antioxidants ◽

Carcass Parameters

The effects of raw (GP) and fermented grape pomace (FGP) on the growth performance, some carcass parameters, antioxidant status, intestinal morphology, and selected bacterial species in broiler chicken were investigated in this study. Grape pomace was fermented with Aspergillus niger for 7 d. In total, 140 one-day-old male chicks (Ross 308) were randomly assigned to four treatment groups, with five replicates and seven birds each. Chickens were fed either a basal diet (CON) or the basal diet supplemented with 0.25 g/kg synthetic antioxidants (5% butylated hydroxytoluene, 1% butylated hydroxyanisole, and 11% ethoxyquin) (AO), or 15 g/kg GP (GP), or 15 g/kg FGP (FGP) for 42 d. Dietary GP raised serum glutathione peroxidase (p = 0.031) and superoxide dismutase (p = 0.021) levels, increased ileum lamina muscularis thickness (p = 0.016), and did not affect selected bacterial species in the cecum of broiler chickens. Dietary FGP improved body weight (p = 0.003), increased the serum catalase level (p = 0.032), and decreased the cecal Clostridium perfringens count (p = 0.033) but did not affect the ileal morphology of broiler chickens. The carcass parameters, malondialdehyde level, pH, and color of the breast meat of chickens were not changed by either GP or FGP supplementation. Chickens fed with the synthetic antioxidants had similar growth performance with the chickens fed with FGP but had better body weight (p = 0.003) and feed conversion ratio (p = 0.045) compared with the chickens fed with GP. The obtained results showed that FGP can be used as an alternative to synthetic antioxidants in broiler diets.

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