Bioeurope

Ulice S.a.

Sucre Recherches Et Developpements

Vincent P Pelenc

Pierre F Monsan

Francois B Paul

Magali M Remaud

Francois Mb Paul

Yves G Marchenay

Agustin Lopez Mungica Canales

Jean-Pierre H Lamothe

Disclosed is a process of enzymatically preparing .alpha.-glucoside esters. First, .alpha.-glucosides are produced by placing an acyclic alcohol or a mixture of acyclic alcohols having a water solubility of at least 2.7% v/v at 20.degree. C. in contact with starch, maltodextrins or maltose, in the presence of a purified enzymatic preparation having .alpha.-transglucosylation activity, wherein the enzymatic preparation is free of .beta.-glucosidase activity. Then, the .alpha.-glucosides are contacted with at least one fatty acid and a preparation having lipase activity to produce the .alpha.-glucoside esters, which may then be recovered. The preparation having .alpha.-transglucosylation activity may originate from a fungus such as Talaromyces duponti, Aspergillus niger, Aspergillus oryzae or Aspergillus batatae.

Methods for the production of esters of .alpha.-glucosides and uses

Cosmetic compositions containing oligosaccharides

Method for the production of .alpha.(1.fwdarw.2) oligodextrans using

The invention relates to the field of biotechnology. It relates to a process for preparing a syrup, the dry extract of which includes a high content of isomaltose, which comprises treating an aqueous solution of sucrose with a mixture of the enzymes dextransucrase and dextranase at a temperature of 0.degree. to 50.degree. C. and at a pH in the range from 4.5 to 7, so as to obtain an aqueous syrup containing fructose, isomaltose, glucose and, possibly, isomaltotriose as the main constituents. The syrup obtained is a useful intermediate for the synthesis, in particular, of isomaltitol.

Process for the enzymatic preparation from sucrose of a mixture of

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Toulouse, France

Vincent P Pelenc