녹차와 쑥의 에탄올 추출액을 도포한 포장 닭고기의 저장 중 품질특성에 미치는 영향
Effects of Spraying Ethanol Extracts (Green Tea and Wormwood) on Quality Properties of Chicken under Storage at 4℃
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초록
This experiment was conducted to verify the effect of spraying ethanol extracts (green tea and wormwood) on pH, TBARS, VBN, and total microbes of chicken meat during storage. The ethanol extracts of green tea and wormwood were sprayed on the chicken carcasses (0.2 and 0.2 g extract/㎏meat, respectively). Treated sample showed higher lightness (L* values) and yellowness (b* values) and lower redness (a* values) than those of control. The TBARS values were significantly lower for the treatments than the control on storage day 4, especially, the treatment of the wormwood extracts had lowest TBARS value. The VBN values were relatively lower values for the treatments than the control on storage day 4, especially, the treatment of the wormwood extracts had lowest VBN value on storage day 6. Wormwood samples showed lower total aerobic and E. coli counts than the others on day 6. Therefore, the spray with natural wormwood extracts could be useful to extend the shelf-life by preventing lipid oxidation and reducing the microbial growth during storage of chicken meat.
Abstract
This experiment was conducted to verify the effect of spraying ethanol extracts (green tea and wormwood) on pH, TBARS, VBN, and total microbes of chicken meat during storage. The ethanol extracts of green tea and wormwood were sprayed on the chicken carcasses (0.2 and 0.2 g extract/㎏meat, respectively). Treated sample showed higher lightness (L* values) and yellowness (b* values) and lower redness (a* values) than those of control. The TBARS values were significantly lower for the treatments than the control on storage day 4, especially, the treatment of the wormwood extracts had lowest TBARS value. The VBN values were relatively lower values for the treatments than the control on storage day 4, especially, the treatment of the wormwood extracts had lowest VBN value on storage day 6. Wormwood samples showed lower total aerobic and E. coli counts than the others on day 6. Therefore, the spray with natural wormwood extracts could be useful to extend the shelf-life by preventing lipid oxidation and reducing the microbial growth during storage of chicken meat.
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