Two Frequently Used pH Determination Methods Showed Clearly Different pH Slopes During Early Post Mortem Ageing of Pork
Two Frequently Used pH Determination Methods Showed Clearly Different pH Slopes During Early Post Mortem Ageing of Pork
复制标题
两种常用的 pH 测定方法在猪肉宰后老化过程中显示出明显不同的 pH 斜率
DOI:
10.1007/s12161-018-1163-8
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发表时间:
2018
影响因子:
2.9
通讯作者:
Carsten
中科院分区:
文献类型:
--
作者:
Johanna;Sharifi;Ahmad Reza;Janisch;Sabine;Krischek;Carsten
In scientific meat quality studies, pH values are usually determined either electrochemically with a pH meter or using the iodoacetate method. As only few studies have been published that directly compared both methods, in the present study pH values of theMusculus longissimus thoracis(LM) andMusculus triceps brachii(MT) of pigs were determined with both methods within the first 6 h post mortem (p.m.). Comparison of the two methods showed that with the iodoacetate method, the pH values were higher in the LM between 10 min and 6 h p.m. and in the MT from 45 min to 6 h p.m. The pH values, determined electrochemically at 45 min p.m., negatively correlated with the drip loss, electrical conductivity and a* results, assessed 24 h after slaughter. With the iodoacetate method, no significant correlation between pH45and these meat quality traits could be found. The results indicate that a direct comparison of pH values with studies that used the other method is problematic.
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