Process for the preparation of lactosylurea

C - Chemistry – Metallurgy – 13 – K

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C13K 5/00 (2006.01) A23K 1/22 (2006.01) C07H 13/12 (2006.01)

Patent

CA 1122596

ABSTRACT OF THE DISCLOSURE A process for the preparation of lactosylurea and the N-methylol derivative thereof which are usable as feed supple- ments for ruminants. According to this process, lactose and urea are heated to 70 - 110°C with a minimum of water and, if possible, this water is eliminated during the reaction. The crude reaction product can be purified by grinding with ice-water or ethanol and subsequent draining so as to eliminate by dissolution in such solvants the unreacted urea. The corresponding N-methylol derivative is obtained by the reaction with formaldehyde.

321409

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