作者: R.M. Tomarelli , J.B Hassinen , E.R. Eckhardt , R.H. Clark , F.W. Bernhart
DOI: 10.1016/0003-9861(54)90327-6
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摘要: Abstract A strain of Lactobacillus bifidus , isolated from the stool a breast-fed infant, was found to require an unknown growth factor present in human milk. In testing wide variety natural substances, hog gastric mucin be most active source factor. microbiologically crystalline disaccharide degraded by mild hydrolysis. This compound has been tentatively identified as galactose-acetylglucosaminide.