RU2013121453A - BIO-CATALYST, METHOD OF ITS PREPARATION AND METHOD OF TRANSETERIFICATION OF VEGETABLE OILS USING THIS BIOCATALIZER - Google Patents
BIO-CATALYST, METHOD OF ITS PREPARATION AND METHOD OF TRANSETERIFICATION OF VEGETABLE OILS USING THIS BIOCATALIZER Download PDFInfo
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- RU2013121453A RU2013121453A RU2013121453/10A RU2013121453A RU2013121453A RU 2013121453 A RU2013121453 A RU 2013121453A RU 2013121453/10 A RU2013121453/10 A RU 2013121453/10A RU 2013121453 A RU2013121453 A RU 2013121453A RU 2013121453 A RU2013121453 A RU 2013121453A
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- biocatalyst
- coli
- lip
- nanostructured carbon
- cell lysates
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- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
1. Биокатализатор для переэтерификации растительных масел на основе ферментативно-активной субстанции и носителя, содержащего силикатную матрицу, отличающийся тем, что в качестве ферментативно-активной субстанции он содержит частично разрушенные клетки или клеточные лизаты рекомбинантного штамма rE. coli/lip, продуцирующего термостабильную липазу, в качестве носителя - наноуглерод-силикатные матрицы, содержащие наноструктурированный углерод, в качестве влагоудерживающего агента - вещества углеводной природы, и имеет следующий состав, в мас.% сухих веществ:клетки или клеточные лизаты rE. coli/lip - 20-40, наноструктурированный углерод - 5-10, углевод - 1-20, диоксид кремния - до 100.2. Способ приготовления биокатализатора переэтерификации растительных масел, который включает стадии смешения, высушивания и фракционирования, отличающийся тем, что биокатализатор готовят путем смешения клеток или клеточных лизатов рекомбинантного штамма-продуцента липазы rE. coli/lip с носителем - гидрогелем диоксида кремния, наноструктурированным углеродом и влагоудерживающим агентом с последующим сушкой и фракционированием до размера гранул 0.1-2 мм, полученный биокатализатор имеет следующий состав, в мас.% сухих веществ: клетки или клеточные лизаты rE. coli/lip - 20-40, наноструктурированный углерод - 5-10, углевод - 1-20, диоксид кремния - до 100.3. Способ по п.2, отличающийся тем, что в качестве наноструктурированного углерода используют углеродные нанотрубки с диаметром 20-22 нм и удельной поверхностью 100-140 м/г в агрегированном состоянии.4. Способ по п.2, отличающийся тем, что в качестве влагоудерживающего агента углеводной природы используют мальтодекстрин или п1. Biocatalyst for transesterification of vegetable oils based on an enzymatically active substance and a carrier containing a silicate matrix, characterized in that it contains partially destroyed cells or cell lysates of the recombinant rE strain as an enzymatically active substance. coli / lip, producing thermostable lipase, as a carrier - nanocarbon-silicate matrices containing nanostructured carbon, as a water-retaining agent - substances of carbohydrate nature, and has the following composition, in wt.% solids: cells or cell lysates rE. coli / lip - 20-40, nanostructured carbon - 5-10, carbohydrate - 1-20, silicon dioxide - up to 100.2. A method of preparing a biocatalyst for transesterification of vegetable oils, which includes the stages of mixing, drying and fractionation, characterized in that the biocatalyst is prepared by mixing cells or cell lysates of a recombinant rE lipase producer strain. coli / lip with a carrier - silica hydrogel, nanostructured carbon and a water-retaining agent, followed by drying and fractionation to a granule size of 0.1-2 mm, the obtained biocatalyst has the following composition, in wt.% solids: cells or cell lysates rE. coli / lip - 20-40, nanostructured carbon - 5-10, carbohydrate - 1-20, silicon dioxide - up to 100.3. The method according to claim 2, characterized in that carbon nanotubes with a diameter of 20-22 nm and a specific surface of 100-140 m / g in an aggregated state are used as nanostructured carbon. The method according to claim 2, characterized in that as a water-retaining agent of carbohydrate nature, maltodextrin or
Claims (5)
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RU2013121453/10A RU2539101C2 (en) | 2013-05-07 | 2013-05-07 | Biocatalyst, method of its preparation and method of reetherification of vegetable oils using this biocatalyst |
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RU2013121453/10A RU2539101C2 (en) | 2013-05-07 | 2013-05-07 | Biocatalyst, method of its preparation and method of reetherification of vegetable oils using this biocatalyst |
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RU2013121453A true RU2013121453A (en) | 2014-11-20 |
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Publication number | Priority date | Publication date | Assignee | Title |
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RU2668405C2 (en) * | 2016-12-07 | 2018-09-28 | Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук (ИК СО РАН) | Bio-catalyst, its preparation method and the fatty acids esters compounds production method using this bio-catalyst |
RU2646104C1 (en) * | 2016-12-20 | 2018-03-01 | Федеральное государственное бюджетное учреждение "Национальный исследовательский центр "Курчатовский институт" | Method for producing a granulated biocatalizer based on immobilized yeast cells for ester exchange |
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DK638688D0 (en) * | 1988-11-16 | 1988-11-16 | Novo Industri As | PARTICULAR IMMOBILIZED LIPASE PREPARATION, PROCEDURE FOR PREPARING IT AND USING THEREOF |
RU2451546C1 (en) * | 2011-04-04 | 2012-05-27 | Учреждение Российской академии наук Институт катализа им. Г.К. Борескова Сибирского отделения РАН | Biocatalyst, method of preparing said biocatalyst and method of obtaining invert syrup using said catalyst |
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