| 摘要 |
A process for producing polysaccharides by fermentation of carbohydrates in a fermentation bath with microorganisms of the class Xanthomonas in which the broth is formulated to contain a source of nitrogen selected from the group consisting of lactoserum or lactoserum and cereal bran in amounts corresponding to 5 to 15 grams of lactoserum on a dry solids basis per liter of broth when used alone, or 3 to 7 grams of lactoserum and 4 to 8 grams per liter of cereal bran when both are present in the broth as a source of nitrogen.
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