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Changes of Physico-Chemical, Microbilogical and Sensory Properties on Hanwoo Beef Fed With Supplemental Bamboo Vinegar during Refrigerated Storage  

Kook Kil (Department of Animal Research Farm, Agro-Bioindusty Technical Support Center, Chonnam National University)
Kim Kwang-Hyun (Department of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University)
Publication Information
Food Science of Animal Resources / v.25, no.4, 2005 , pp. 403-408 More about this Journal
Abstract
The objective of this study was to investigate the effects of supplemental levels of Bamboo vinegar (BV) on meat quality characteristics of Hanwoo. A total of 15 cows $(400.0\pm15.0\;kg)$ was fed with a commercial diet (control) or $3\%$ bamboo vinegar supplemented diets $(3\%\;BV),\;6\%$ BV for four months. Then, cows were slaughtered and M. longissimus dorsi (LD) was collected from each treatment group During storage at $4^{\circ}C$ for 21day, physico-chemical, microbiological and sensory characteristics were determined It increased (p<0.05) in at 3 and 9 days of the refrigeration storage. Hunter a value decreased (p<0.05) in the meat fed with $3\%\;and\;6\%$ BV at 1, 3 and 9 days. Hunter b value increased (p<0.05) in $3\%\;and\;6\%$ BV at 1 and 3 days. TBA and total bacterial count were significantly (p<0.05) low in $3\%\;and\;6\%$ BV at 1 and 3 days. Supplementation of $3\%\;or\;6\%$ BV showed a significant (p<0.05) decrease in cooking loss at 9 and 15 days. $3\%\;and\;6\%$ BV showed a significant (p<0.05) decrease in shear force at 1, 3 and 9 days; it tended to decrease throughout the whole storage period The treatments $3\%\;and\;6\%$ BV scored high in area of taste; taste increased significantly (p<0.05) at 1 and 3 days.
Keywords
Bamboo vinegar; beef; shear force; sensory evaluation;
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