Isomerised hop extract专利检索-苦味剂调味剂食品添加剂调味料，色素和添加剂专利检索查询-专利查询网

Isomerised hop extract

阅读：169发布：2022-09-23

专利汇可以提供Isomerised hop extract专利检索，专利查询，专利分析的服务。并且A process for the preparation of an isomerised hop extract for use in the flavouring of food or beverages which comprises adding to a solution of humulones or their salts a metal ion of calcium, magnesium, nickel, manganese or zinc, which metal ion forms with the humulones a metal ion-humulone complex which then precipitates from the solution. The metal ion-humulone complex is then heated in solid or paste state or in suspension or dissolved in an organic solvent to form a metal ion-isohumulone complex in high yield. The metal ion-isohumulone complex is substantially insoluble and can be used as a bittering additive, without regeneration to a soluble salt of isohumulone, by finely grinding such metal ion-isohumulone complex.，下面是Isomerised hop extract专利的具体信息内容。

权利要求

2. The method of claim 1 wherein the isomerisation is carried out by heating the metal ion-humulone complex in the presence of at least 5 percent by weight of water.

3. The method of claim 1 comprising adjusting the ion level of the solution from which the insoluble metal ion-humulone complex is to be precipitated by the addition of a soluble ionic compound or salt to improve the yield of precipitated metal ion-humulone complex.

4. The method of claim 1 wherein the humulone solution is in the form of an aqueous solution of a salt of the humulone and the metal ion is in an aqueous solution of a salt of the said metal ion.

5. The method of claim 1 whErein the said humulone or salts are in solution in an organic solvent, the metal ion being in an aqueous alkaline solution of a salt of the said metal ion.

6. The method of claim 1 comprising reducing the particles size of the said metal ion-isohumulone complex to a size which enables direct addition of the said complex in the form of a liquid suspension or slurry to the beverage to be flavoured and results in a rapid dissolution of the said complex in the beverage.

7. The method of claim 6 wherein the metal ion-isohumulone complex is ground to a particle size of less than 10 microns.

8. The method of preparing an isohumulone containing hop extract for use in the flavouring of food or beverages which comprises adding to a solution of humulones or their salts in water or an organic solvent, a metal ion selected from the group consisting of calcium, magnesium, nickel, manganese and zinc, which metal ion forms with the humulones an insoluble metal ion-humulone complex which is precipitated from the said solution, dissolving the said precipitated metal ion-humulone complex in an organic solvent, and heating the solution of the metal ion-humulone complex in said organic solvent at an isomerisation temperature between 50*C and 140*C to form a metal ion-isohumulone complex in solution.

9. The method of claim 8 wherein said solvent is ethanol or propylene glycol.

10. The method of claim 8 comprising adjusting the ion level of the solution from which the insoluble metal ion-humulone complex is to be precipitated by the addition of a soluble ionic compound or salt to improve the yield of precipitated metal ion-humulone complex.

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