Journal
MEAT SCIENCE
Volume 90, Issue 3, Pages 579-583Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2011.09.020
Keywords
Meat; Antioxidant; Antimicrobial; Sheep; Aromatic plants; Polyphenols
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A dietary rosemary extract (RE) was tested to extend the shelf life of raw lamb meat. Lambs were supplemented with 0.6 mg kg(-1) RE during fattening (from 13 to 25 kg live weight). Meat spoilage (total viable counts, psycrophilic bacteria. Enterobacteriaceae, molds and yeasts), TBARS, CIE L*a*b* color and the sensory traits of lamb cuts were analyzed on days 0, 7, 14 or 21 under retail display conditions (70/30 O-2/CO2 atmosphere, 2 degrees C temperature and 1600 lx lighting). Supplementation of the lamb diet with RE was effective (P<0.05) in prolonging the time chilled-packed lamb cuts could be kept under retail display conditions. Dietary rosemary clearly inhibited lipid oxidation and rancidity, and was moderately efficient in preventing sensory deterioration and microbial spoilage. Although the results concerning meat preservation were limited, the dietary use of rosemary extracts in lambs seems to be promising as a nutritional strategy for improving meat quality. (C) 2011 Elsevier Ltd. All rights reserved.
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