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KMID : 1024620000200020152
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Food Science of Animal Resources
2000 Volume.20 No. 2 p.152 ~ p.158
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Effects of Illite Supplementation on the Meat Quality of Finishing Pigs
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Kim Cheon-Jei
Lee Eui-Soo
Song M. S.
Cho Jin-Kuk
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Abstract
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This study was conducted to investigate the influence of feeding illite(yellow soil component) on meat quality of pork. 40 pigs were fed with commercial formulated feed (control group) and 1% illite added feed(treatment group). Pigs grown up to 100~110kg of weight were slaughtered in commercial abattoir. After chilling for 24hours, samples were collected from M. longissimus dorsi muscle, and stored at for analyses. The physico-chemical properties was determined during storage days as follows. Ultimate pH was not significantly different between control and treatment(pH 5.58 and 5.60, respectively). Water-holding capacity measured using filter paper press method of the treatment group was slightly higher than that of the control group. Cooking loss of treatment group were significantly lower than that of the control group at 1 and 7 days(p〈0.05). Shear force between control and treatment group was not different. L*- and a*-value were not significantly different between the two groups(p〉0.05), but b*-value of treatment group was lower than that of the control group(p〈0.05). The drip loss of all samples was increased with storage days, and that of the treatment group was significantly lower than that of the control at 1 and 3 day storage. Meat color measured using NPPC pork quality standards was not significantly different between the two groups(p〉0.05), but marbling content of the treatment group was significantly higher than that of the control group(p〈0.05). Sensory characteristics of, flavor taste and tenderness did not show significant differences(p〉0.05), but juiciness of the treatment group showed higher value than that of the control group(p〈0.05)
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KEYWORD
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Illite, pork, M, longissimus dorsi muscle, meat quality
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