Effect of feeding phenolic compounds from propolis extracts to dairy cows on milk production, milk fatty acid composition, and the antioxidant capacity of milk

Aguiar, Sílvia Cristina de; Cottica, Solange Maria; Boeing, Joana Schuelter; Samensari, Rafael Barreiros; Santos, Geraldo Tadeu dos; Visentainer, Jesuí V.; Zeoula, Lúcia Maria

doi:10.1016/j.anifeedsci.2014.04.006

Cited by 67 publications

(67 citation statements)

References 24 publications

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“…No significant differences among the experimental groups were detected on days 14 and 28 ( P > 0.05), a fact that reveals the similar effects of flavonoids and vitamin E on milk oxidative capacity. Previous researchers have reached the same conclusions in dairy cows after the addition of propolis extracts (rich in flavonoids) to the diets; improved milk oxidative stability without significant differences in milk yield, milk solid content, and somatic cell scores were observed . No significant effects on milk yield and fat, protein, lactose, and total solid content were found after the addition of an alfalfa flavonoids extract to the diet of dairy cows .…”

Section: Discussionsupporting

confidence: 55%

“…In detail, the concentration of cis9, trans11‐18:2 (CLA isomer) was increased after the addition of 3.27 mg of phenolic compounds per kg of ingested dry matter. Moreover, 1.93 mg of phenolic compounds per kg of ingested dry matter increased the monounsaturated FA (MUFA) and polyunsaturated FA (PUFA) content and reduced the proportion of saturated FA (SFA) . There was also a trend towards an increased proportion of polyunsaturated fatty acids in milk when increased levels of grape residue silage were included in the diet (50–100 g kg −1 of dry matter) .…”

Section: Discussionmentioning

confidence: 99%

“…It also appears to suppress methane production without adverse effects on ruminal fermentation characteristics. Moreover, the addition of propolis extracts (rich in flavonoids) to the diets of dairy cows increased milk antioxidant capacity without significant effects on feed intake, milk yield, feed conversion efficiency, milk‐solid content, and somatic cell scores . At the same time, dietary supplementation of heifers or steers with an extract of plant flavonoids (neoeriocitrin, naringin, isonaringin, hesperidin, neohesperidin, poncirin, Bioflavex) from bitter orange ( Citrus aurantium ) and grapefruit ( Citrus paradisi ) resulted in higher rumen pH as a result of rumen microflora manipulation, i.e.…”

Section: Introductionmentioning

confidence: 99%

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The effects of hesperidin or naringin dietary supplementation on the milk properties of dairy ewes

et al. 2019

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BACKGROUND Fortification of animal products with natural bioactive compounds appears to improve their quality and protects consumers against oxidation effects. An experiment was therefore conducted to examine the effects of hesperidin or naringin on milk oxidative stability, yield, composition, coagulation properties, and the fatty acid profile in dairy sheep. Thirty‐six Chios ewes were assigned to four groups. A control group was fed a concentrate diet without supplementation. The other three groups were provided with the same diet further supplemented with hesperidin (6000 mg kg−1), naringin (6000 mg kg−1), or α‐tocopheryl acetate (200 mg kg−1). The efficacy of flavonoids after a change in diet composition that lowered milk oxidation values by itself was also tested. The duration of the experiment was 28 days with alfalfa hay being the only forage source for the first 14 days, whereas after the 15th day a mixture of alfalfa hay and wheat straw (65:35) was provided. RESULTS The oxidative stability of milk was improved after 14 days of addition of the examined flavonoids (P < 0.05). Milk malondialdehyde (MDA) values were also decreased as a result of flavonoid dietary supplementation, 14 days after the modification of the forage source. On the other hand, no significant differences in yield, chemical composition, coagulation properties, and fatty acid profile of ewe milk were observed among the treatments throughout the experiment. CONCLUSION Enrichment of dairy ewes' diets with hesperidin and naringin might be effective in improving milk's oxidative stability without any effects on the milk's chemical composition, coagulation properties, and fatty acid profile. © 2019 Society of Chemical Industry

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Section: Discussionsupporting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effects of hesperidin or naringin dietary supplementation on the milk properties of dairy ewes

et al. 2019

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“…Feeding phenolic compounds from propolis extract to dairy cows significantly increased the antioxidant capacity and improved milk quality (Aguiar et al, 2014). A similar study where citrus pulp was used as feed for dairy cow, resulted in increased total polyphenols, flavonoid concentration and ferric reduction antioxidants power in milk .…”

Section: Discussionmentioning

confidence: 75%

Analysis of Phenolic Content and Antioxidant Properties of Selected Cowpea Varieties Tested in Bovine Peripheral Blood

Adjei‐Fremah¹,

Jackai²,

Worku³

2015

American Journal of Animal and Veterinary Sciences

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Cowpea is an important grain legume with a dual purpose function as a food and feed resource. Cowpea contains phenolic compounds that are beneficial to human and animal health. We evaluated the phenolic content, condensed tannin content and antioxidant capacities of methanol extracts of seed and leaf of seven varieties commonly used in food and animal feed. The total phenolic content and condensed tannins were quantified using the Folin-Ciocalteu and Vanillin-HCL method respectively. The effects of cowpea phenolic extract on total antioxidant capacity, glutathione peroxidase and superoxide dismutase activity was evaluated in vitro in bovine blood. Overall, the methanol extracts of the leaves contained high concentrations (p<0.0001) of total phenolic content (290.51±38.02 mg GAE/g) compared to seed extracts (118.10±71.96 mg GAE/g), although high antioxidant capacity was observed in both extracts. In addition, a positive correlation was found between total phenol and tannins content and antioxidant capacity of the extracts. Treatment with cowpea phenolic extract increased (p<0.0001) the total antioxidant capacity in cow blood (5.33±0.27 mM UAE) relative to controls (1.62±0.10 mM UAE). The enzymatic activities of GSH-Px and SOD were also increased. Our findings, suggest the potential of cowpea polyphenols to reduce oxidative stress in livestock production. Results of the present study showed that leaf and seeds of cowpea possess rich amounts of natural antioxidants and can be further explored for their possible use as a natural additive in food or use in pharmaceutical industries and in animal feed.

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“…Similar to this study, Emami et al (2014) reported that addition of Pomegranate seed pulp (a byproduct contain high polyphenol) to kids ration at a level of 15% increased the concentration of TAC in plasma compared to the control diet. Recently, Aguiar et al (2014) found that feeding phenolic compounds from propolis extracts to dairy cows improved the antioxidant capacity of milk compared with that in the control.…”

Section: Discussionmentioning

confidence: 96%

The effect of feeding low quality date palm (Phoenix dactylifera L.) on the performance, antioxidant status and ruminal fermentation of mid-lactating Saanen dairy goats

Sharifi

Bashtani

Naserian

et al. 2015

Small Ruminant Research

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Effect of feeding phenolic compounds from propolis extracts to dairy cows on milk production, milk fatty acid composition, and the antioxidant capacity of milk

Cited by 67 publications

References 24 publications

The effects of hesperidin or naringin dietary supplementation on the milk properties of dairy ewes

The effects of hesperidin or naringin dietary supplementation on the milk properties of dairy ewes

Analysis of Phenolic Content and Antioxidant Properties of Selected Cowpea Varieties Tested in Bovine Peripheral Blood

The effect of feeding low quality date palm (Phoenix dactylifera L.) on the performance, antioxidant status and ruminal fermentation of mid-lactating Saanen dairy goats

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