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Effects of supplemental vitamin E and canola oil on tissue tocopherol and liver fatty acid profile of finishing swine.
J Anim Sci. 1998 Jan; 76(1):110-7.JA

Abstract

We conducted a 4 x 3 factorial experiment with finishing pigs for 6 wk to evaluate effects of dietary canola oil and vitamin E on vitamin E status and liver fatty acid profile. Treatments consisted of four supplemental levels of vitamin E (0, 50, 125, and 200 mg/kg) and three of canola oil (0, 5, and 10% of the diet). Serum was collected each week and tissue samples at d 42. Dietary canola oil (P = .02) and vitamin E (P < .001) increased serum alpha-tocopherol. Serum alpha-tocopherol reached a plateau at d 35 of vitamin E and canola oil supplementation. An interaction was observed between canola oil and vitamin E (P = .02) for liver alpha-tocopherol. Liver alpha-tocopherol was greater in pigs fed diets with 10% canola oil and supplemented with 125 or 200 mg/kg of vitamin E than in pigs fed diets with 0 and 5% canola oil. An interaction also occurred between canola oil and vitamin E (P = .01) for alpha-tocopherol in the gluteus medius and obliquus capitis caudalis muscles. A greater magnitude of increase in muscle alpha-tocopherol was observed in pigs fed diets with no canola oil than in pigs fed diets with 5 and 10% canola oil. Highest alpha-tocopherol was in liver, followed by obliquus capitis caudalis and then gluteus medius. Inclusion of 5 or 10% dietary canola oil decreased the amount of saturated fatty acids by 4.1 and 13.5%, increased monounsaturated fatty acids by 10.9 and 39.3%, respectively, and had no effect (P > .10) on total polyunsaturated fatty acids. Canola oil increased linoleic acid [18:2(n-6)] (quadratic, P = .05) and linolenic acid [18:3(n-3)] (linear, P < .001) while decreasing arachidonic acid [20:4(n-6)] and docosadienoic acid (20:2) linearly (P < .001 and P = .02, respectively). Dietary canola oil and vitamin E increased serum and tissue alpha-tocopherol; canola oil increased monounsaturated and decreased saturated fatty acids in liver.

Authors+Show Affiliations

Department of Animal Science, University of Florida, Gainesville 32611, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

9464891

Citation

Soler-Velasquez, M P., et al. "Effects of Supplemental Vitamin E and Canola Oil On Tissue Tocopherol and Liver Fatty Acid Profile of Finishing Swine." Journal of Animal Science, vol. 76, no. 1, 1998, pp. 110-7.
Soler-Velasquez MP, Brendemuhl JH, McDowell LR, et al. Effects of supplemental vitamin E and canola oil on tissue tocopherol and liver fatty acid profile of finishing swine. J Anim Sci. 1998;76(1):110-7.
Soler-Velasquez, M. P., Brendemuhl, J. H., McDowell, L. R., Sheppard, K. A., Johnson, D. D., & Williams, S. N. (1998). Effects of supplemental vitamin E and canola oil on tissue tocopherol and liver fatty acid profile of finishing swine. Journal of Animal Science, 76(1), 110-7.
Soler-Velasquez MP, et al. Effects of Supplemental Vitamin E and Canola Oil On Tissue Tocopherol and Liver Fatty Acid Profile of Finishing Swine. J Anim Sci. 1998;76(1):110-7. PubMed PMID: 9464891.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of supplemental vitamin E and canola oil on tissue tocopherol and liver fatty acid profile of finishing swine. AU - Soler-Velasquez,M P, AU - Brendemuhl,J H, AU - McDowell,L R, AU - Sheppard,K A, AU - Johnson,D D, AU - Williams,S N, PY - 1998/2/17/pubmed PY - 1998/2/17/medline PY - 1998/2/17/entrez SP - 110 EP - 7 JF - Journal of animal science JO - J Anim Sci VL - 76 IS - 1 N2 - We conducted a 4 x 3 factorial experiment with finishing pigs for 6 wk to evaluate effects of dietary canola oil and vitamin E on vitamin E status and liver fatty acid profile. Treatments consisted of four supplemental levels of vitamin E (0, 50, 125, and 200 mg/kg) and three of canola oil (0, 5, and 10% of the diet). Serum was collected each week and tissue samples at d 42. Dietary canola oil (P = .02) and vitamin E (P < .001) increased serum alpha-tocopherol. Serum alpha-tocopherol reached a plateau at d 35 of vitamin E and canola oil supplementation. An interaction was observed between canola oil and vitamin E (P = .02) for liver alpha-tocopherol. Liver alpha-tocopherol was greater in pigs fed diets with 10% canola oil and supplemented with 125 or 200 mg/kg of vitamin E than in pigs fed diets with 0 and 5% canola oil. An interaction also occurred between canola oil and vitamin E (P = .01) for alpha-tocopherol in the gluteus medius and obliquus capitis caudalis muscles. A greater magnitude of increase in muscle alpha-tocopherol was observed in pigs fed diets with no canola oil than in pigs fed diets with 5 and 10% canola oil. Highest alpha-tocopherol was in liver, followed by obliquus capitis caudalis and then gluteus medius. Inclusion of 5 or 10% dietary canola oil decreased the amount of saturated fatty acids by 4.1 and 13.5%, increased monounsaturated fatty acids by 10.9 and 39.3%, respectively, and had no effect (P > .10) on total polyunsaturated fatty acids. Canola oil increased linoleic acid [18:2(n-6)] (quadratic, P = .05) and linolenic acid [18:3(n-3)] (linear, P < .001) while decreasing arachidonic acid [20:4(n-6)] and docosadienoic acid (20:2) linearly (P < .001 and P = .02, respectively). Dietary canola oil and vitamin E increased serum and tissue alpha-tocopherol; canola oil increased monounsaturated and decreased saturated fatty acids in liver. SN - 0021-8812 UR - https://www.unboundmedicine.com/medline/citation/9464891/Effects_of_supplemental_vitamin_E_and_canola_oil_on_tissue_tocopherol_and_liver_fatty_acid_profile_of_finishing_swine_ L2 - https://academic.oup.com/jas/article-lookup/doi/10.2527/1998.761110x DB - PRIME DP - Unbound Medicine ER -