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1809年Link首先分离白地霉(又称念珠地丝菌Geotrichum Candidum)。白地霉是一种腐物寄生性真菌,在自然界分布极广,可从动物粪便、有机肥料、土壤、食用酸菜、烂菜、酒酿及青草树叶等分离出此种真菌。有报告白地霉在各种物品上分布以烂菜最多,占62.5%,肥料次之为42%,动物粪便22.6%,泡菜16.6%。此外,在正常健康人的皮肤、口腔、消化道、痰及粪便亦可发现它的存在。国外有报告314名医学生、护士以及没有胃肠症状的病人之粪便培养,其白地霉阳性率为29%。W.L.Chang报告在健康人的肠内微生物中,它占20～30%。因此,白地霉与白色念珠菌相似,在正常人的组织均有存在,一般不致引起机体致病;但当抵抗力减弱
In 1809 Link first isolated from Geotrichum (also known as Geotrichum Candidum). Geotrichum candidum is a rot fungus parasitic fungi, widely distributed in nature, from animal manure, organic fertilizers, soil, edible sauerkraut, rotten vegetables, fermented and grass leaves such fungi isolated. There are reports of Geotrichum in a variety of articles to the distribution of rotten vegetables, accounting for 62.5%, followed by fertilizer 42%, animal manure 22.6%, kimchi 16.6%. In addition, it can be found in the skin, mouth, digestive tract, sputum and faeces of normal healthy people. Foreign reports of 314 medical students, nurses and patients without gastrointestinal symptoms of fecal culture, the white gemma positive rate of 29%. W. L. Chang reports 20-30% of intestinal microorganisms in healthy humans. Therefore, Geotrichum candidum and Candida albicans similar in normal human tissues exist, generally do not cause the body disease; but when the weakened resistance