Effects of the Combination of Glucose, Chromium Picolinate, and Vitamin C on Lipid Metabolism in Steers

Lee, Hong-Gu; Yin, Jin-Long; Xu, Cheng-Xiong; Hong, Zhong-Shan; Lee, Zhe-Hu; Jin, Yong-Cheng; Choi, Chang-Weon; Lee, Do-Hyeung; Kim, Kyoung Hoon; Choi, Yun-Jaie

doi:2011.24.12.1674

Article

Ruminant Nutrition and Forage Utilization

Asian-Australasian Journal of Animal Sciences 2011;24(12): 1674-1680.
https://doi.org/10.5713/ajas.2011.11073 Published online October 24, 2011.

Effects of the Combination of Glucose, Chromium Picolinate, and Vitamin C on Lipid Metabolism in Steers

Hong-Gu Lee, Jin-Long Yin, Cheng-Xiong Xu, Zhong-Shan Hong, Zhe-Hu Lee, Yong-Cheng Jin, Chang-Weon Choi, Do-Hyeung Lee, Kyoung Hoon Kim, Yun-Jaie Choi

Abstract

This study was conducted to examine the effects of glucose, chromium picolinate (CrP), and vitamin C (Vit C) on lipid metabolism in Korean native steers fitted with indwelling catheters. A total of 12 Korean native steers were randomly allocated to the following treatments: 1) normal control diet, 2) same as 1) +250 g of glucose by intravenous (IV) infusion, 3) same as 2)+13.5 g CrP administered orally, and 4) same as 3)+2.52 g Vit C by IV infusion. Glucose, Vit C, and CrP treatments were administered for five days. At days 1 and 3, serum insulin was higher in treated animals than in those fed the control diet (p<0.05). Serum non-esterified fatty acid (NEFA) concentration in the steers on treatment 2), control+13.5 g CrP, was lower than those on other treatments at 90 min post-infusion on days 1 and 3 (p<0.05). The expression of peroxisome proliferator-activated receptor- (PPAR)2, stearoyl-CoA desaturase-1 (SCD), fatty acid synthase (FAS), and glucose transporter type 4 (Glut 4) in the longissimus muscle of steers on treatment 2 was higher than those on other treatments. In conclusion, the results suggest that CrP is associated with the regulation of gene expression involved in adipogenesis.

Keywords: Chromium Picolinate; Glucose; Lipid Metabolism; Steers; Vitamin C