| Attributes | Values |
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| rdf:type
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| Description
| - Selektivní enzymem katalyzovaná hydrolýza oleje ze semen černého rybízu byla studována s cílem získat v jednotlivých třídách lipidů v hydrolyzátu různé koncentrace alfa a/nebo gama-linolenové kyseliny, což by našlo uplatnění ve speciálních dietách. Olej a voda rozpuštěné v superkritickém CO2 tekly náplňovým reaktorem (teplota 40 °C, tlak 15-28 MPa, fiktivní rychlost 0.1-0.7 mm/s) obsahujícím Lipozyme, 1,3-specifickou lipasu z Mucor miehei imobilizovanou na makroporézní pryskyřici. K udržení stabilní aktivity enzymu bylo nutno zabránit srážení vody v reaktoru. Reakce byla řízena jak kinetikou Michaelis-Mentenové, tak i přenosem hmoty. Maximální rychlost uvolňování mastných kyselin na jednotku hmoty enzymu, 2.6 mmol/s kg, byla dosažena při maximálním tlaku a průtoku. Uvolněné kyseliny byly obohaceny alfa-linolenovou, palmitovou a stearovou kyselinou, kdežto v di- a monoacylglycerolech byla zvýšená koncentrace gama-linolenové a stearidonové kyseliny. (cs)
- Selective enzyme-catalysed hydrolysis of blackcurrant seed oil was studied with aim to obtain different levels of alpha- and/or gamma-linolenic acid in lipid classes in the hydrolyzate, making them suitable for special dietary needs. Supercritical CO2 with dissolved oil and water flowed through a packed bed reactor (temperature 40 °C, pressure 15-28 MPa, superficial velocity 0.1-0.7 mm/s) where Lipozyme, a 1,3-specific lipase from Mucor miehei was immobilised on a macroporous ion-exchange resin. The enzyme activity was stable as long as water precipitation in the reactor was prevented. The reaction was controlled by both Michaelis-Menten kinetics and mass transfer. The maximum rate of fatty acids liberation per unit amount of enzyme, 2.6 mmol/s kg, was achieved at the maximum pressure and flow rate. The liberated fatty acids were enriched in alpha-linolenic, palmitic and stearic acids, while di- and monoacylglycerols contained increased levels of gamma-linolenic and stearidonic acids.
- Selective enzyme-catalysed hydrolysis of blackcurrant seed oil was studied with aim to obtain different levels of alpha- and/or gamma-linolenic acid in lipid classes in the hydrolyzate, making them suitable for special dietary needs. Supercritical CO2 with dissolved oil and water flowed through a packed bed reactor (temperature 40 °C, pressure 15-28 MPa, superficial velocity 0.1-0.7 mm/s) where Lipozyme, a 1,3-specific lipase from Mucor miehei was immobilised on a macroporous ion-exchange resin. The enzyme activity was stable as long as water precipitation in the reactor was prevented. The reaction was controlled by both Michaelis-Menten kinetics and mass transfer. The maximum rate of fatty acids liberation per unit amount of enzyme, 2.6 mmol/s kg, was achieved at the maximum pressure and flow rate. The liberated fatty acids were enriched in alpha-linolenic, palmitic and stearic acids, while di- and monoacylglycerols contained increased levels of gamma-linolenic and stearidonic acids. (en)
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| Title
| - Kinetics and Specificity of Lipozyme-Catalysed Oil Hydrolysis in Supercritical CO2
- Kinetika a specificita hydrolýzy oleje v superkritickém CO2 katalyzované Lipozymem (cs)
- Kinetics and Specificity of Lipozyme-Catalysed Oil Hydrolysis in Supercritical CO2 (en)
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| skos:prefLabel
| - Kinetics and Specificity of Lipozyme-Catalysed Oil Hydrolysis in Supercritical CO2
- Kinetika a specificita hydrolýzy oleje v superkritickém CO2 katalyzované Lipozymem (cs)
- Kinetics and Specificity of Lipozyme-Catalysed Oil Hydrolysis in Supercritical CO2 (en)
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| skos:notation
| - RIV/67985858:_____/08:00310266!RIV09-AV0-67985858
|
| http://linked.open...avai/riv/aktivita
| |
| http://linked.open...avai/riv/aktivity
| - P(GA104/06/1174), P(OC D30.001), Z(AV0Z40550506), Z(AV0Z40720504)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
| |
| http://linked.open...iv/duvernostUdaju
| |
| http://linked.open...titaPredkladatele
| |
| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/67985858:_____/08:00310266
|
| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - blackcurrant seed oil; enzymatic hydrolysis; supercritical CO2 (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
| |
| http://linked.open...i/riv/nazevZdroje
| - Chemical Engineering Research and Design
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Zarevúcka, Marie
- Sovová, Helena
- Bernášek, Prokop
- Stamenič, M.
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| http://linked.open...ain/vavai/riv/wos
| |
| http://linked.open...n/vavai/riv/zamer
| |
| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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