C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) A23L 1/054 (2006.01)
Patent
CA 2334635
The invention relates to a modified gellan gum in which the total acyl content as well as the ratio of acyl substituent groups to glycerate substituent groups per linear saccharide repeat unit is altered to be higher than 1. The invention further relates to a process for the modification of a gellan gum to alter its acyl content in which the gum is treated with a weak base such as sodium or potassium carbonate or a suitable phosphate. The process enables "tailor made" gums having appropriate setting temperatures and rheological properties to be made. Novel compositions containing them are also claimed.
Gomme gellane modifiée dont la teneur totale en acyle est modifiée et dont le rapport des groupes substituants acyle aux groupes substituants glycérate par unité de répétition de saccharide linéaire est modifié pour être supérieur à 1. La présente invention concerne en outre un procédé de modification de la teneur en acyle d'une gomme gellane, selon lequel ladite gomme est traitée à l'aide d'une base faible telle que du carbonate de sodium ou de potassium ou un phosphate approprié. Ledit procédé permet d'obtenir des gommes "à la demande" ayant des températures de prise et des propriétés rhéologiques appropriées. De nouvelles compositions les contenant sont également décrites.
Chen You-Lung
Clark Ross
Morrisson Neil A.
Sworn Graham
Talashek Todd
Chen You-Lung
Clark Ross
Fetherstonhaugh & Co.
Monsanto P.l.c.
Morrisson Neil A.
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