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Title:OPTIMIZACIJA HIDROLIZE RUTINA V SUBKRITIČNI VODI Z METODO ODZIVNIH POVRŠIN
Authors:ID Palko, Anja (Author)
ID Škerget, Mojca (Mentor) More about this mentor... New window
Files:.pdf UNI_Palko_Anja_2014.pdf (5,01 MB)
MD5: DA8FD0A446E96CC48B7813BF9F3A6D2D
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Cilj diplomskega dela je bil raziskati vpliv reakcijskih parametrov (temperature, časa in koncentracije) na hidrolitsko sposobnost subkritične vode na osnovnem primeru diglikozida kvercetina – rutina. S pomočjo načrtovanja eksperimentov ter metodologije odzivnih površin smo skušali poiskati optimalne reakcijske parametre pri katerih dobimo najvišji izkoristek hidrolize rutina v kvercetin. Vsi eksperimenti so bili izvedeni v visoko-temperaturnem, visoko-tlačnem avtoklavu v inertni (dušikovi) atmosferi pri pogojih, ki smo jih v naprej določili z uporabo računalniškega programa Design-Expert 7.0. S pomočjo tekočinske kromatografije visoke ločljivosti smo določili koncentracijo kvercetina ter drugih produktov hidrotermične degradacije po obdelavi s subkritično vodo. Z uporabo metodologije odzivnih površin smo dobljene rezultate optimizirali in določili optimalne parametre, ki prispevajo k najvišjemu izkoristku kvercetina.
Keywords:Subkritična voda, Hidrotermična degradacija, Rutin, Hidroliza, Centralno kompozitni načrt, Metoda odzivnih površin.
Place of publishing:Maribor
Publisher:[A. Palko]
Year of publishing:2014
PID:20.500.12556/DKUM-45171 New window
UDC:66.094.941:577.164.3(043.2)
COBISS.SI-ID:18214166 New window
NUK URN:URN:SI:UM:DK:OQCGEKDI
Publication date in DKUM:11.09.2014
Views:2397
Downloads:237
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:OPTIMIZATION OF RUTIN HYDROLYSIS USING RESPONSE SURFACE METHODOLOGY
Abstract:The aim of this graduate thesis was to study the influence of reaction parameters (temperature, time and concentration) on the hydrolytic ability of subcritical water on the basic example of diglicoside quercetin – rutin. Highest yield of quercetin was based on experimental design and response surface methodology optimal reaction parameters at wich the highest yield of quercetin is obtained were determined. All experiments were performed in a high-temperature high-pressure autoclave using an inert (nitrogen) atmosphere at condition, which were predefined using Design-Expert 7.0 software. Yield of quercetin and other products of hydrothermal degradation in samples after treatment with subcritical water were determined using high-performance liquid chromatography. Obtained results were optimized using response surface methodology and the optimal parameters, which contributed to the highest yield of quercetin were determined.
Keywords:Subcritical water, Hydrothermal degradation, Rutin, Hydrolysis, Central composite design, Response surface methodology.


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