Abstract
Up to 39% yields of 3-ketomaltose were achieved in 18 to 22 hr when Agrobacterium tumefaciens NRRL B-36 was cultured at 25 to 28 C in a simple medium containing 4.0 to 8.0% maltose, 0.09% urea, 0.5% CaCO3, 0.6% KH2PO4, and 0.025% MgSO4·7H2O. For maximum production of 3-ketomaltose the culture had to be maintained approximately at pH 7.0.
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Selected References
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