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粪便中一半是细菌众所周知,人类生活在充满细菌和病毒的环境里,就连人的身体内也有众多的细菌,其品种之多、数量之巨,令人吃惊。这一点从人粪便的检测中不难得到证实。虽说随着人与人之间饮食的不同及有个体差异,但是从每1克成人大便中能检测到1000亿以上个细菌,品种达400种左右,即大便的三分之一到一半是细菌或食物残渣的情况却是相同的。过去,在显微镜下看到的人粪中的细菌都是大肠菌及其遗骸,
Half of the stool is bacteria It is well known that human life is full of bacteria and viruses. Even human beings have numerous bacteria in their bodies. This is not difficult to confirm from the detection of human excrement. Although with different diet and individual differences between people, but from 1 gram of adult stool can detect more than 100 billion bacteria, up to about 400 species, that is, from one third to one half of the stool is bacteria Or food residue is the same. In the past, the bacteria in human faeces that were seen under the microscope were all coliform bacteria and their remains,