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Vitamin and mineral content of value cuts from beef steers fed distiller's grains

Journal of Food Composition and Analysis
Publication Date
DOI: 10.1016/j.jfca.2010.08.013
  • Beef
  • Feedlot Cattle
  • Vitamins
  • Minerals
  • Wet Distiller'S Grains Plus Solubles
  • Supplemental Vitamin E
  • Food Analysis
  • Food Composition


Abstract Selected vitamin (vitamin E, thiamin, riboflavin, niacin, vitamin B 6, and vitamin B 12) and mineral (calcium, phosphorus, magnesium, potassium, sulfur, iron, copper, zinc, manganese, and sodium) concentrations were determined for the value cuts—flat iron steaks ( musculus infraspinatus) and petite tenders ( musculus teres major) from cross-bred steers fed finishing rations containing 0% or 40% DM wet distiller's grains plus solubles (WDGS) with and without added daily supplemental vitamin E. The feeding treatment groups were: 0% WDGS with basal vitamin E ( n = 6), 0% WDGS with supplemental vitamin E (500 IU/steer top-dressed daily) ( n = 7), 40% WDGS with basal vitamin E ( n = 8), and 40% WDGS with supplemental vitamin E ( n = 8). Few differences in micronutrient concentrations were observed in either cut by treatment groups. Feeding steers diets containing 40% WDGS decreased vitamin B 12 and increased sodium concentrations in flat iron steaks and increased thiamin and decreased manganese concentrations in petite tenders. Significant differences in α-tocopherol concentrations in both cuts were observed by vitamin E grouping. Several significant differences were observed by cut. Uncooked flat iron steaks and petite tenders from these steers are rich sources of vitamin B 12, zinc, and sometimes phosphorus, good sources of riboflavin, niacin, vitamin B 6, and iron, and low in sodium.

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