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논문 기본 정보

자료유형
학술저널
저자정보
Park, Sungkwon (Department of Food Science and Technology, Sejong University) Yan, Zhang (Department of Animal Science, Chungbuk National University) Choi, Changweon (Department of Animal Resources, Daegu University) Kim, Kyounghoon (Institute of Environmentally Friendly Livestock, Seoul National University) Lee, Hyunjeong (Animal Nutrition and Physiology Team, National Institute of Animal Science, RDA) Oh, Youngkyoon (Animal Nutrition and Physiology Team, National Institute of Animal Science, RDA) Jeong, Jinyoung (Animal Nutrition and Physiology Team, National Institute of Animal Science, RDA) Lee, Jonggil (College of Hospitality and Tourism, Sejong University) Smith, Stephen B. (Department of Animal Science, Texas A&M University) Choi, Seongho (Department of Animal Science, Chungbuk National University)
저널정보
한국축산식품학회 한국축산식품학회지 한국축산식품학회지 제37권 제2호
발행연도
2017.1
수록면
168 - 174 (7page)

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We hypothesized that supplementing finishing diets with palm oil would promote adipogenic gene expression but depress stearoyl-CoA desaturase (SCD) gene expression in intramuscular (i.m.) adipose tissues of Hanwoo steers during fattening period (from 16 to 32 mon of age). Fourteen Hanwoo steers were allotted randomly to 2 groups of 7 steers based on initial BW and fed either a basal diet (control) or the basal diet supplemented with 5% palm oil (BDSP). At slaughter, i.m. adipose tissue was harvested for analysis of adipogenic gene expression and fatty acid composition. There were no differences in BW or average daily gain between treatment groups. Supplemental palm oil had no effect on carcass quality traits (carcass weight, backfat thickness, loin muscle area, or marbling scores) or meat color values. Palm oil increased (p<0.05) expression of AMP-activated protein kinase-${\alpha}$ and peroxisome proliferator-activated receptor-${\gamma}$, but decreased (p<0.05) CAAT/enhancer binding protein-${\beta}$ gene expression and tended to decrease stearoyl-CoA desaturase gene expression in i.m. adipose tissue. Palm oil increased total i.m. polyunsaturated fatty acids (p<0.05) compared to the control i.m. adipose tissue, but had no effect on saturated or monounsaturated fatty acids. Although there were significant effects of supplemental palm oil on i.m. adipose tissue gene expression, the absence of negative effects on carcass and meat characteristics indicates that palm oil could be a suitable dietary supplement for the production of Hanwoo beef cattle.
#adipose tissue #fatty acids #gene expression #palm oil #stearoyl-coenzyme A desaturase

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참고문헌 (27)

참고문헌 신청
Adams, T. H. / 2010 / Hamburger high in total, saturated and trans-fatty acids decreases HDL cholesterol and LDL particle diameter, and increases TAG, in mildly hypercholesterolaemic men / Brit. J. Nutr 103:91~98 google schola Cao, Z. / 1991 / Regulated expression of three C/EBP isoforms during adipose conversion of 3T3-L1 cells / Genes. Dev 5:1538~1552 google schola Choi, S. H. / 2013 / Fatty acid biosynthesis and lipogenic enzyme activities in subcutaneous adipose tissue of feedlot steers fed supplementary palm oil or soybean oil / J. Anim. Sci 91:2091~2098 google schola 최성호 / 2016 / The Expression of Adipogenic Genes in Adipose Tissues of Feedlot Steers Fed Supplementary Palm Oil or Soybean Oil / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 29(3):404~412 Crossref S. H. Choi / 2015 / AMPKα, C/EBPβ, CPT1β, GPR43, PPARγ, and SCD Gene Expression in Single- and Co-cultured Bovine Satellite Cells and Intramuscular Preadipocytes Treated with Palmitic, Stearic, Oleic, and Linoleic Acid / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 28(3):411~419 Crossref

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