Crystalline anhydrous lactitol and a process for the...

Details Crystalline anhydrous lactitol and a process for the... Crystalline anhydrous lactitol and a process for the...

C - Chemistry, Metallurgy

07

H

C07H 15/04 (2006.01) A23G 3/34 (2006.01) A23G 9/52 (2006.01) A23L 1/236 (2006.01)

Patent

CA 2106759

The invention relates to a novel crystalline anhydrous lactitol, a process for the preparation thereof, and the use thereof. The novel crystalline anhydrous lactitol belongs to the monoclinic crystal system and has the unit cell constants; (a) = 7.614 .ANG.; (b) = 10.757 .ANG.; (c) = 9.370 .ANG. and .beta. = 108.2°. Its melting point is between 149 °C and 152 °C, water content below 0.5 % and lactitol content more than 99.%; it has a low hygroscopicity.

L'invention se rapporte à un nouveau lactitol anhydre cristallin, à un procédé de préparation du lactitol et à l'utilisation de celui-ci. Le nouveau lactitol anhydre cristallin appartient au système de cristaux monocliniques et présente les constantes de cellule élémentaire suivantes: (a) = 7,614 Å, (b) = 10,757 Å, (c) = 9,370 Å et beta = 108,2°. Son point de fusion se situe entre 149 °C et 152 °C, sa teneur en eau est inférieure à 0,5 % et la teneur en lactitol est supérieure à 99 %; il présente en outre une faible hygroscopicité.

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