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Fast separation and determination of free myo-inositol by hydrophilic liquid chromatography
J. Pazourek,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- časové faktory MeSH
- hydrofobní a hydrofilní interakce MeSH
- inositol analogy a deriváty analýza chemie MeSH
- vysokoúčinná kapalinová chromatografie MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
A fast liquid chromatography method for separation and determination of myo-inositol is reported. Determination of the biologically important isomer of inositols, myo-inositol, was optimized to avoid overlapping to possible interferents according to European Pharmacopoeia (glycerol, d-mannitol) and saccharose. The method in HILIC mode is extremely selective to other carbohydrates which allows to separate myo-inositol from allo- and d-chiro-inositol with resolution 12.3 and 5.2, resp. and this way it enables to separate myo-inostiol from contingent carbohydrates present in a sample matrix. Retention time of myo-inositol was 12min at 10°C, though higher temperatures (25°C or 40°C) or higher water content in the mobile phase could speed up the separation and determination to four minutes. LOD of the method was 9mg/L at 10°C, and 5mg/L at 25°C, resp.
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- $a A fast liquid chromatography method for separation and determination of myo-inositol is reported. Determination of the biologically important isomer of inositols, myo-inositol, was optimized to avoid overlapping to possible interferents according to European Pharmacopoeia (glycerol, d-mannitol) and saccharose. The method in HILIC mode is extremely selective to other carbohydrates which allows to separate myo-inositol from allo- and d-chiro-inositol with resolution 12.3 and 5.2, resp. and this way it enables to separate myo-inostiol from contingent carbohydrates present in a sample matrix. Retention time of myo-inositol was 12min at 10°C, though higher temperatures (25°C or 40°C) or higher water content in the mobile phase could speed up the separation and determination to four minutes. LOD of the method was 9mg/L at 10°C, and 5mg/L at 25°C, resp.
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