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Article

Increasing Selenium and Vitamin E in Dairy Cow Milk Improves the Quality of the Milk as Food for Children

1
Department of Animal Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga-SP 13635-900, Brazil
2
São Paulo Agribusiness Technology Agency, Ribeirao Preto-SP 14000, Brazil
3
Faculty of Pharmaceutical Sciences FCF, University of São Paulo, São Paulo -SP, 05508-000, Brazil
4
Anhanguera Educacional S/A, Leme-SP 13614-320, Brazil
5
Department of Animal Science, School of Veterinary Medicine and Animal Science, Federal University of Bahia, Salvador-BA 40170-010, Brazil
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Nutrients 2019, 11(6), 1218; https://doi.org/10.3390/nu11061218
Received: 3 April 2019 / Revised: 15 May 2019 / Accepted: 20 May 2019 / Published: 29 May 2019
(This article belongs to the Special Issue Dairy Products Consumption for Human Health)
In this study, we investigated the beneficial effects of milk biofortified with antioxidants on the health of children. Two experiments were conducted: experiment one evaluated the milk of 24 Jersey dairy cows (450 ± 25 kg of body weight (BW); 60 ± 30 days in milk dry matter intake (DIM)) given different diet treatments (CON = control diet; COANT = diet with vitamin E and selenium as antioxidants; OIL = diet with sunflower oil; and OANT = diet with sunflower oil containing more vitamin E and selenium as antioxidants), and experiment two evaluated the effect of the milk produced in the first experiment on the health of children (CON = control diet; COANT = diet with vitamin E and selenium as antioxidants; OIL = diet with sunflower oil; OANT = diet with sunflower oil containing more vitamin E and selenium as antioxidants; and SM = skim milk). One hundred children (8 to 10 years old) were evaluated in the second experiment. Blood samples were collected at 0 days of milk intake and 28 and 84 days after the start of milk intake. The cows fed the COANT and OANT diets showed greater selenium and vitamin E concentrations in their milk (p = 0.001), and the children who consumed the milk from those cows had higher concentrations of selenium and vitamin E in their blood (p = 0.001). The platelet (p = 0.001) and lymphocyte (p = 0.001) concentrations were increased in the blood of the children that consumed milk from cows fed the OANT diet compared to those in the children that consumed SM (p = 0.001). The children who consumed milk from cows fed the OIL diet treatment had increased concentrations of low density lipoprotein (LDL) and total cholesterol in their blood at the end of the supplementation period compared to children who consumed SM. The results of this study demonstrate that the consumption of biofortified milk increases the blood concentrations of selenium and vitamin E in children, which may be beneficial to their health. View Full-Text
Keywords: cholesterol; metabolism; nutrition; oil cholesterol; metabolism; nutrition; oil
MDPI and ACS Style

Saran Netto, A.; Salles, M.S.V.; Roma Júnior, L.C.; Cozzolino, S.M.F.; Gonçalves, M.T.M.; Freitas Júnior, J.E.d.; Zanetti, M.A. Increasing Selenium and Vitamin E in Dairy Cow Milk Improves the Quality of the Milk as Food for Children. Nutrients 2019, 11, 1218. https://doi.org/10.3390/nu11061218

AMA Style

Saran Netto A, Salles MSV, Roma Júnior LC, Cozzolino SMF, Gonçalves MTM, Freitas Júnior JEd, Zanetti MA. Increasing Selenium and Vitamin E in Dairy Cow Milk Improves the Quality of the Milk as Food for Children. Nutrients. 2019; 11(6):1218. https://doi.org/10.3390/nu11061218

Chicago/Turabian Style

Saran Netto, Arlindo, Márcia S.V. Salles, Luiz C. Roma Júnior, Silvia M.F. Cozzolino, Maria T.M. Gonçalves, José E.d. Freitas Júnior, and Marcus A. Zanetti 2019. "Increasing Selenium and Vitamin E in Dairy Cow Milk Improves the Quality of the Milk as Food for Children" Nutrients 11, no. 6: 1218. https://doi.org/10.3390/nu11061218

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