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US 5,846,794 AGranted
Process for the preparation of D-arabitol
AssigneeRoquette Freres
InventorsDidier Delobeau, Didier Moine
Life of this patent
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Abstract
A process for the preparation of D-arabitol, characterised in that it comprises the following stages: hydrolysis of a lactose solution, oxidation of the mixture of glucose and galactose thus obtained to a mixture of gluconic and galactonic acids, decarboxylation of this mixture of gluconic and galactonic acids to a mixture of D-arabinose and D-lyxose, catalytic hydrogenation of this mixture of D-arabinose and D-lyxose to D-arabitol.
Claims9
A process for the preparation of D-arabitol, wherein it comprises the following stages:
- hydrolysis of a lactose solution,
- oxidation of the mixture of glucose and galactose thus obtained to a mixture of gluconic and galactonic acids,
- decarboxylation of this mixture of gluconic and galactonic acids to a mixture of D-arabinose and D-lyxose,
- catalytic hydrogenation of this mixture of D-arabinose and D-lyxose to D-arabitol.
1 more element
Dependencies are inferred from the claim text.