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食品中细菌含量的高低是衡量食品卫生情况的指标之一。但由于酸性食品，尤其是ｐＨ较低的食品，往往影响其细菌生长，不能正确反映食品被污染的情况。为了解食品中ｐＨ值对细菌生长的影响，我们对本市散装及瓶装醋进行了随机抽样检验。对醋调与不调ｐＨ杂菌计数产减情况进行了
The level of bacteria in food is one of the indicators to measure food hygiene. However, acidic foods, especially those with lower pH, often affect the growth of bacteria and can not correctly reflect the food contamination. To understand the impact of pH on the growth of bacteria in our food, we conducted a random sample of tests on bulk and bottled vinegar in our city. Adjustments to the vinegar and pH do not adjust the number of bacteria miscellaneous reduction carried out