A rapid colorimetric distinction between glucosamine and galactosamine
β Scribed by M.V. Tracey
- Book ID
- 115786327
- Publisher
- Elsevier Science
- Year
- 1955
- Weight
- 154 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0006-3002
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π SIMILAR VOLUMES
A modification of a calorimetric assay (1) discriminating galactosamine and glucosamine in mixtures is presented. The procedure employs acetylation of the amino sugars at 25Β°C instead of at 0-i"C, resulting in five times the color intensity for galactosamine with no interference due to glucosamine.
Furazolidone agar proved to be a suitable medium for separating strains of the genera Micrococcus and Staphylococcus. 720 isolates (including 24 type strains) of gram-and catalase-positive cocci were tested for growth on tryptone soya and peptone agar with the addition of 50 ~tg/ml furazolidone. The