Crystalline .alpha.-maltose

C - Chemistry – Metallurgy – 13 – K

Patent

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99/140.2, 260/23

C13K 7/00 (2006.01) A23L 1/09 (2006.01) A23L 1/221 (2006.01) C07H 3/04 (2006.01)

Patent

CA 1265516

Abstract of the Disclosure A crystalline alpha-maltose with an alpha-maltose isomer content of 55% or higher is prepared by the process comprising preparing a high-con- centration syrup, with a moisture content lower than 10 w/w %, from a high-purity maltose with a maltose content of 85% or higher; crystallizing alpha-maltose from the syrup at a temperature within the range of 50-130°C in the presence of seed crystal; and recovering the resultant crystalline alpha-maltose with an alpha-maltose isomer content of 55% or higher. The crystalline alpha-maltose is superior to crystalline beta-maltose hydrate in solubility and dispersibility in aqueous media. The crystalline alpha-maltose is a suitable maltose material for food products and pharmaceuticals. A ready-mix-type parenteral hyperalimentation which is highly resistant to browning and alteration is prepared with the crystalline alpha-maltose.

483436

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