Food grade wax and process for preparing same

C - Chemistry – Metallurgy – 11 – B

Patent

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Details

C11B 11/00 (2006.01) A23C 19/16 (2006.01) A23D 9/00 (2006.01) A23D 9/007 (2006.01) A23D 9/02 (2006.01) A23G 3/34 (2006.01) A23G 4/00 (2006.01) A23L 1/00 (2006.01) C08L 91/06 (2006.01)

Patent

CA 2286121

The invention provides a wax composition which can be used in comestibles. The wax composition is obtained from sugar cane and comrpises wax esters, aldehydes, tri-glycerides, alcohols, free fatty acids, sterols and polar lipids. A process for preparing a wax composition from crude sugar cane wax, the process comprising the steps of: (i) heating a solution of the crude wax with a lower alcohol as sovlent at the boiling point of the solvent; (ii) allowing phase separation of the solution from (i) and decanting the upper phase while hot; (iii) allowing the separated phase from (ii) to cool and separating crystallised wax from the solvent; (iv) repeating steps (i) to (iii) using the wax from (iii) until all pitch has been removed fromthe wax; (v) heating the wax to between 90 and 140 ~C and oxidising molten wax with oxidising material; and (vi) continuing the heating under and inert gas on completion of the oxidation step until intermediate peroxide products are removed.

L'invention concerne une composition de cire qui peut être utilisée dans des comestibles. Ladite composition est obtenue à partir de canne à sucre et comprend des esters de cire, des aldéhydes, des triglycérides, des alcools, des acides gras libres, des stérols et des lipides polaires. L'invention concerne un procédé de préparation de ladite composition à partir de cire brute de canne à sucre qui consiste à (i) chauffer la solution de la cire brute avec un alcool inférieur comme solvant au point d'ébullition du solvant; (ii) à séparer en phases la solution obtenue à l'étape (i) et à décanter la phase supérieure encore chaude; (iii) à refroidir la phase séparée en (ii) et à séparer la cire cristallisée du solvant; (iv) à reproduire les étapes (i) à (iii) en utilisant de la cire obtenue à l'étape (iii) jusqu'à ce qu'on ait complètement enlevé la poix de la cire; (v) à chauffer la cire à une température comprise entre 90 et 140 ·C et à oxyder la cire fondue avec une substance oxydante; et (vi) à continuer à chauffer sous un gaz rare, une fois l'étape d'oxydation accomplie, jusqu'à ce que les produits peroxydes intermédiaires soient enlevés.

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