Abstract
The lipoteichoic acids from Bifidobucterium bifidum spp. pennsylvanicum were extracted from cytoplasmic
membranes or from disintegrated bacteria with aqueous phenol and purified by gel chromatography. The
lipoteichoic acid preparations contained phosphate, glycerol, galactose, glucose and fatty acids in a molar
ratio of 1.0: 1.0: 1.3: 1.2 : 0.3. Chemical analysis and NMR studies
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