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Growth of Alicyclobacillus acidoterrestris in the Hypoxic Environment of Bottled Fruit Juice

机译：瓶装果汁低氧环境下酸热脂环酸杆菌的生长

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Alicyclobacillus acidoterrestris, an obligate aerobe and one of the most harmful bacteria in acidic beverages, requires oxygen for growth. However, the relationship between oxygen availability and its growth has not yet been quantified. We examined the correlation between A. acidoterrestris growth and oxygen availability to determine whether A. acidoterrestris can be controlled by restricting oxygen. Airtight containers were filled with YSG broth and apple juice at various oxygen concentrations. Positive correlation (R-2=0.9329) was observed between A. acidoterrestris growth and oxygen availability in YSG broth, and a lower but nonetheless slight correlation (R-2=0.5604) was observed for apple juice. These results indicate that decreased oxygen availability in a container could restrict growth. As results, the addition of reducing compounds along with airtight conditions may help prevent the deterioration of beverages caused by the proliferation of A. acidoterrestris
机译：酸热脂环酸杆菌是专性的厌氧菌，也是酸性饮料中最有害的细菌之一，需要氧气才能生长。但是，氧的可利用性与其生长之间的关系尚未量化。我们检查了嗜酸土壤曲霉生长与氧气供应之间的相关性，以确定是否可以通过限制氧气来控制嗜酸土壤曲霉。密闭的容器中装有各种氧气浓度的YSG肉汤和苹果汁。在YSG肉汤中观察到酸丝假单胞菌的生长与氧气供应之间存在正相关（R-2 = 0.9329），而苹果汁的相关性较低（R-2 = 0.5604）。这些结果表明，容器中氧气供应的减少可能会限制生长。结果，在气密条件下添加还原性化合物可有助于防止由酸曲霉的繁殖引起的饮料变质。

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