Inhibiting beer gushing
阅读：346发布：2021-01-18
专利汇可以提供Inhibiting beer gushing专利检索，专利查询，专利分析的服务。并且The present invention provides a method for reducing the tendency of beer to gush by incorporating in the beer 1 to 20 percent based on the weight of iso- Alpha -acids in the finished beer of an unsaturated fatty acid having from 10 to 20 carbon atoms. The invention includes hop extracts containing said unsaturated fatty acid and also includes methods of making said extracts.，下面是Inhibiting beer gushing专利的具体信息内容。
1. A METHOD FOR REDUCING THE TENDENCY OF BEER TO GUSH WHICH COMPRISES ADMIXING WITH SAID BEER AN UNSATURATED FATTY ACID HAVING FROM 10-20 CARBON ATOMS IN A PROPORTION OF FROM 1-20 PERCENT BASED ON THE WEIGHT OF ISO-A-ACIDS IN THE FINISHED BEER.
1. A method for reducing the tendency of beer to gush which comprises admixing with said beer an unsaturated fatty acid having from 10-20 carbon atoms in a proportion of from 1-20 percent based on the weight of iso- Alpha -acids in the finished beer.
2. A method according to claim 1 wherein the unsaturated acids have from 1-3 ethylenic bonds; and wherein the unsaturated fatty acids are added to the beer as part of an isomerised hop extract.
3. A method according to claim 2 wherein the unsaturated acid is oleic acid.
4. Either according to claim 2 wherein the unsaturated acid is linoleic or linolenic acid.
5. A method according to claim 2 wherein the unsaturated acid is added to the beer as an aqueous solution of its alkali metal salts.
6. A method according to claim 1 which comprises determining or estimating the proportion of fatty acid already present in the beer and subsequently adding thereto sufficient of the unsaturated fatty acid to raise the total unsaturated fatty acid content of the beer to a value of from 5-15 percent based on the weight of iso- Alpha -acids in the finished beer.
7. The method of claim 2 wherein said unsaturated fatty acid is in an amount of from 5 to 15 percent based on the weight of said iso- Alpha -acids.
8. The method of claim 7 wherein said unsaturated fatty acids are selected from the group consisting of oleic, linoleic, and linolenic acids.
9. A method for preparing an iso- Alpha -acid rich hop fraction for use in the bittering of beer which may be prone to gushing which comprises: a. extracting hops with an organic solvent to form an Alpha -acid containing crude extract b. isomerising the extracted Alpha -acids c. separating the iso- Alpha -acids from the isomerised extract as part of an iso- Alpha -acid rich fraction containing less than 5 percent by weight of unsaturated fatty acids based on the weight of iso- Alpha -acids, d. mixing said iso- Alpha -acid rich fraction obtaiNed according to step (c) with an unsaturated fatty acid having from 10-20 carbon atoms in a proportion of from 1-20 percent based on the weight of iso- Alpha -acids in said fraction.
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