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  • The influence of physical-chemical refining on tocopherol content in sunflower and rapeseed oil was studied. In this work we interested in synthesis, isolation and identification of these compounds and monitoring of tocopherol decrease. It was confirmed by GC-MS,HPLC-ELSD and TLC that alfa-tocopheryl chinone, alfa-tocopherol trimer. Esters of alfa-tocopherol with palmitic, oleic and linolic acid were prepared in purity of 100 %. (en)
  • Skúmali sme vplyv vybraných procesov fyzikálno-chemickej rafinácie na obsah tokoferolov v slnečnicových a repkových olejoch. V tejto práci sme sa zamerali na syntézu, izoláciu a identifikáciu týchto látok a sledovanie úbytku tokoferolov. Pomocou GC-MS, HPLC-ELSD a TLC sme potvrdili, že alfa-tokoferylchinón, alfa-tokoferol trimér. Estery alfa-tokoferolu s kys. palmitovou, olejovou a linolovou sme pripravili s čistotou 100 %.
Title
  • Decrease of tocopherols during physical and chemical refining of oils (en)
  • Úbytok tokoferolov při fyzikálnej a chemickém rafinácii olejov
skos:prefLabel
  • Decrease of tocopherols during physical and chemical refining of oils (en)
  • Úbytok tokoferolov při fyzikálnej a chemickém rafinácii olejov
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  • RIV/60461373:22330/13:43896466!RIV14-MSM-22330___
http://linked.open...avai/riv/aktivita
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  • 112267
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  • RIV/60461373:22330/13:43896466
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  • oil; tocopherol; chemical refining; physical refining (en)
http://linked.open.../riv/klicoveSlovo
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  • [88B104FCA2D6]
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  • Hrotovice
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  • Praha
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  • Sborník přednášek 51. konference o olejích a tucích
http://linked.open...in/vavai/riv/obor
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  • Filip, Vladimír
  • Kyselka, Jan
  • Kreps, František
  • Schmidt, Štefan
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http://linked.open.../riv/zahajeniAkce
number of pages
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  • Česká společnost chemická
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  • 978-80-86238-52-4
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  • 22330
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