| 不同储藏条件下长白猪肌肉pH、糖原、乳酸及TBA的变化及相关关系 |
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| 引用本文： | 郭建凤,武英,王继英,呼红梅,张印,蔺海朝,王诚.不同储藏条件下长白猪肌肉pH、糖原、乳酸及TBA的变化及相关关系[J].江西农业大学学报,2011,33(1). |
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| 作者姓名： | 郭建凤 武英 王继英 呼红梅 张印 蔺海朝 王诚 |
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| 作者单位： | 山东省农科院畜牧兽医研究所,山东省畜禽疫病防治与繁育重点实验室,山东,济南,250100 |
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| 基金项目： | 山东省农业良种工程项目(2006LZ08); 农业公益性行业科研专项(nyhyzx07-034); 山东省农科院青年基金项目(2006YQN032) |
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| 摘 要： | 研究测定了长白猪屠宰后12 h肌肉pH、糖原、乳酸和脂质氧化的变化,不同储藏温度和时间对肌肉pH值、失水率、糖原、乳酸及脂质氧化的影响及相关关系。结果表明:宰后12 h长白猪背最长肌pH值显著降低,乳酸含量显著升高,肌肉糖原和TBA值含量变化不显著。4℃冷藏条件下,储存时间对长白猪肌肉pH和糖原含量影响不显著,对滴水损失、乳酸和TBA含量影响显著。-20℃冷冻条件下,储存时间对长白猪肌肉pH、乳酸和TBA值影响极显著,对解冻失水率和糖原含量影响不显著。相关性分析表明,宰后12 h TBA值与糖原、乳酸正相关,相关系数分别为0.312(P<0.01)和0.355(P<0.01),pH与乳酸负相关,相关系数为-0.599(P<0.01);4℃冷藏条件下,pH与滴水损失负相关,相关系数为-0.340(P<0.01),其他相关性不显著;-20℃冷冻条件下,TBA与pH极显著正相关,相关系数为0.424(P<0.01),TBA与解冻失水率显著负相关,相关系数为-0.356(P<0.05);pH与解冻失水率极显著负相关,相关系数为-0.492(P<0.01)。
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| 关 键 词： | 长白猪 温度 时间 pH值 糖原 脂质氧化 相关性 |
Changes and Correlations of Landrace Muscle pH, Glycogen, Lactic Acid and TBA in Different Storage Conditions |
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| GUO Jian-feng,WU Ying,WANG Ji-ying,HU Hong-mei,ZHANG Yin,LIN Hai-zhao,WANG Cheng.Changes and Correlations of Landrace Muscle pH, Glycogen, Lactic Acid and TBA in Different Storage Conditions[J].Acta Agriculturae Universitis Jiangxiensis,2011,33(1). |
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| Authors: | GUO Jian-feng WU Ying WANG Ji-ying HU Hong-mei ZHANG Yin LIN Hai-zhao WANG Cheng |
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| Institution: | GUO Jian-feng,WU Ying,WANG Ji-ying,HU Hong-mei,ZHANG Yin,LIN Hai-zhao,WANG Cheng(Institute of Animal Science and Veterinary Medicine Shandong Academy of Agricultural Science,Shandong Provincial Key Laboratory of Animal Disease Control & Breeding,Jinan 250100,China) |
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| Abstract: | The changes and correlations of pork muscle pH,glycogen,lactic acid and intramuscular fat oxidation of Landrace 12 h after slaughter,the effects of different levels of storage temperature and time on muscle pH values,water loss rate,glycogen,lactic acid and 2-thiobarbituric acid(TBA) were studied.The results showed that the pH descended significantly,lactic acid content increased significantly,changes of muscle glycogen and TBA contents were not statistically significant 12 h after slaughtering.With the sto... |
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| Keywords: | Landrace temperature time pH value glycogen lipid oxidation correlation |
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