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Description
  • Byl studován vliv organických a anorganických kyselin, organických rozpouštědel a anorganických solí na výtěžnost a zpětnou rozpustnost proteinů vysrážených z hlízové vody brambor v režimu odlišných teplot. Při použití kyselin byla výtěžnost vysráženého proteinu v rozsahu od 22.3 % celkového proteinu (citrónová kys., 0°C) do 54.5 % (octová kys., 22°C); avšak zpětná rozpustnost získaných izolátů byla velmi nízká. Při využití organických rozpouštědel za nízkých teplot bylo dosaženo průkazně vyšší výtěžnosti i rozpustnosti precipitovaného proteinu. Výtěžnost se pohybovala v rozsahu od 23.4 % (ethanol, 22°C) do 64.5 % (2-propanol, 0°C) z celkového proteinu hlízové vody. Při použití anorganických solí byly získány izoláty s vysokou zpětnou rozpustností bez ohledu na režim teplot při izolaci. Výtěžnost proteinu se pohybovala v rozsahu od 25.8 % (Zn2Cl2, 0°C) do 86.4 % (FeCl3, 0°C) z celkového proteinu hlízové vody. (cs)
  • The effect of two mineral and two organic acids, four organic solvents (methanol, ethanol, 2-propanol and acetone) and three inorganic metal salts in combination with temperature regimes 0 and 22 C on the yield and re-solubility were studied. Using acids, the yield of precipitated protein ranged form 22.3 % (citric acid, 0C) to 54.5 % (acetic acid, 22C) of total protein; however the resolubility was generally very low. The precipitation with organic solvents resulted in significantly higher yiels as well as resolubility (P<0.05) when precipitated at low temperatures. The yield ranged form 23.4 % (ethanol, 22C) to 64.5 % (2-propanol, 0C) of total protein. The use of the salts resulted in precipitates with high resolubility regardless of the temperature regimes. The yield of precipitated protein ranged from 25.8 % (ZnCl2, 0C) to 86.4 % (FeCl3, OC) of total protein.
  • The effect of two mineral and two organic acids, four organic solvents (methanol, ethanol, 2-propanol and acetone) and three inorganic metal salts in combination with temperature regimes 0 and 22 C on the yield and re-solubility were studied. Using acids, the yield of precipitated protein ranged form 22.3 % (citric acid, 0C) to 54.5 % (acetic acid, 22C) of total protein; however the resolubility was generally very low. The precipitation with organic solvents resulted in significantly higher yiels as well as resolubility (P<0.05) when precipitated at low temperatures. The yield ranged form 23.4 % (ethanol, 22C) to 64.5 % (2-propanol, 0C) of total protein. The use of the salts resulted in precipitates with high resolubility regardless of the temperature regimes. The yield of precipitated protein ranged from 25.8 % (ZnCl2, 0C) to 86.4 % (FeCl3, OC) of total protein. (en)
Title
  • Effect of low-molecular additives of precipitation of potato fruit juice proteins under different temperature regimes
  • Vliv nizkomolekulárních činidel na izolaci bílkovin z hlízové vody brambor v režimu odlišných teplot (cs)
  • Effect of low-molecular additives of precipitation of potato fruit juice proteins under different temperature regimes (en)
skos:prefLabel
  • Effect of low-molecular additives of precipitation of potato fruit juice proteins under different temperature regimes
  • Vliv nizkomolekulárních činidel na izolaci bílkovin z hlízové vody brambor v režimu odlišných teplot (cs)
  • Effect of low-molecular additives of precipitation of potato fruit juice proteins under different temperature regimes (en)
skos:notation
  • RIV/60076658:12220/08:00009952!RIV09-MZE-12220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(QF4030)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 365142
http://linked.open...ai/riv/idVysledku
  • RIV/60076658:12220/08:00009952
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • potato fruit juice; potato (Solanum tuberosum L. ); protein precipitation; potato tuber proteins (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [85B989FD8629]
http://linked.open...i/riv/nazevZdroje
  • Journal of Food Process Engineering
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
  • 31
http://linked.open...iv/tvurceVysledku
  • Bárta, Jan
  • Diviš, Jiří
  • Heřmanová, V.
http://linked.open...ain/vavai/riv/wos
  • 000257541300008
issn
  • 0145-8876
number of pages
http://localhost/t...ganizacniJednotka
  • 12220
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