. . . . . "B\u011Bl\u00E1kov\u00E1, Sylvie" . "RIV/60193697:_____/10:#0000575!RIV11-GA0-60193697" . "Mikul\u00EDkov\u00E1, Renata" . "Stanoven\u00ED obsahu \u0161\u0165avelov\u00E9 kyseliny v je\u010Dmeni a sladu pomoc\u00ED RP-HPLC"@cs . "56" . . . . . . "Stanoven\u00ED obsahu \u0161\u0165avelov\u00E9 kyseliny v je\u010Dmeni a sladu pomoc\u00ED RP-HPLC" . "289756" . . "P(GA525/06/0663), Z(MSM6019369701)" . . . . . . . "5"^^ . . . "\u0160\u0165avelov\u00E1 kyselina je obsa\u017Eena jako p\u0159irozen\u00E1 slo\u017Eka v pivovarsk\u00FDch surovin\u00E1ch. Jej\u00ED nejv\u011Bt\u0161\u00ED \u010D\u00E1st je v\u00E1z\u00E1na ve form\u011B rozpustn\u00FDch sodn\u00FDch a draseln\u00FDch sol\u00ED, zat\u00EDmco s v\u00E1penat\u00FDmi ionty tvo\u0159\u00ED nerozpustn\u00FD \u0161\u0165avelan v\u00E1penat\u00FD. \u0160\u0165avelov\u00E1 kyselina p\u0159\u00EDtomn\u00E1 v pivu m\u016F\u017Ee i v n\u00EDzk\u00E9 koncentraci zp\u016Fsobit, zvl\u00E1\u0161t\u011B ve form\u011B \u0161\u0165avelanu v\u00E1penat\u00E9ho, p\u0159ep\u011B\u0148ov\u00E1n\u00ED piva (gushing). Byl sledov\u00E1n obsah \u0161\u0165avelan\u016F v p\u011Bti odr\u016Fd\u00E1ch je\u010Dmene (Jersey, Prestige, Malz, Sebastian a Kompakt) a z nich vyroben\u00FDch sladech ze sklizn\u011B 2007. D\u00E1le byl sledov\u00E1n vliv c\u00EDlen\u00E9 kontaminace obilek je\u010Dmene mikromycetami rodu Fusarium a n\u00E1sledn\u00E9ho pou\u017Eit\u00ED fungicidu. Byla optimalizov\u00E1na metoda stanoven\u00ED kyseliny \u0161\u0165avelov\u00E9 pomoc\u00ED vysoko\u00FA\u010Dinn\u00E9 kapalinov\u00E9 chromatografie s UV detekc\u00ED. Valida\u010Dn\u00ED parametry byly n\u00E1sleduj\u00EDc\u00ED: LOD 1,0 mg.kg-1 , LOQ 3,7 mg.kg-1, R2 0,9990, RSD 0,7 %, v\u00FDt\u011B\u017Enost 80 a\u017E 85 %." . "5"^^ . "Svoboda, Zden\u011Bk" . . "5" . . "Bene\u0161ov\u00E1, Karolina" . "oxalic acid; oxalates; gushing; barley; malt; wort; HPLC"@en . "5"^^ . "Oxalic acid is contained as a natural component in the brewing materials. The biggest quantity is bound in a form of soluble natrium and potassium salts; with calcium ions it forms insoluble calcium oxalate. Oxalic acid present in beer, namely in a form of calcium oxalate, can even in low concentration give rise to overfoaming of beer (gushing). Oxalate content was studied in five barley varieties (Jersey, Prestige, Malz, Sebastian, and Kompakt) and malts produced from them from harvest 2007. Further, the effect of the purposefully contamination of barley caryopses with micromycetes of Fusarium spp. and following use of the fungicide were studied. . The method for the determination of oxalic acid using the High Performance Liquid Chromatography with UV detection was optimized. Validation parameters were as follows: LOD 1.0 mg.kg-1, LOQ 3.7 mg.kg-1, R2 0.9990, RSD 0.7 %, recovery 80 to 85 %."@en . "Kvasn\u00FD pr\u016Fmysl" . "Determimation Of Oxalic Acid In Barley And Malt Using The RP-HPLC"@en . "Stanoven\u00ED obsahu \u0161\u0165avelov\u00E9 kyseliny v je\u010Dmeni a sladu pomoc\u00ED RP-HPLC" . "CZ - \u010Cesk\u00E1 republika" . "Stanoven\u00ED obsahu \u0161\u0165avelov\u00E9 kyseliny v je\u010Dmeni a sladu pomoc\u00ED RP-HPLC"@cs . . "\u0160\u0165avelov\u00E1 kyselina je obsa\u017Eena jako p\u0159irozen\u00E1 slo\u017Eka v pivovarsk\u00FDch surovin\u00E1ch. Jej\u00ED nejv\u011Bt\u0161\u00ED \u010D\u00E1st je v\u00E1z\u00E1na ve form\u011B rozpustn\u00FDch sodn\u00FDch a draseln\u00FDch sol\u00ED, zat\u00EDmco s v\u00E1penat\u00FDmi ionty tvo\u0159\u00ED nerozpustn\u00FD \u0161\u0165avelan v\u00E1penat\u00FD. \u0160\u0165avelov\u00E1 kyselina p\u0159\u00EDtomn\u00E1 v pivu m\u016F\u017Ee i v n\u00EDzk\u00E9 koncentraci zp\u016Fsobit, zvl\u00E1\u0161t\u011B ve form\u011B \u0161\u0165avelanu v\u00E1penat\u00E9ho, p\u0159ep\u011B\u0148ov\u00E1n\u00ED piva (gushing). Byl sledov\u00E1n obsah \u0161\u0165avelan\u016F v p\u011Bti odr\u016Fd\u00E1ch je\u010Dmene (Jersey, Prestige, Malz, Sebastian a Kompakt) a z nich vyroben\u00FDch sladech ze sklizn\u011B 2007. D\u00E1le byl sledov\u00E1n vliv c\u00EDlen\u00E9 kontaminace obilek je\u010Dmene mikromycetami rodu Fusarium a n\u00E1sledn\u00E9ho pou\u017Eit\u00ED fungicidu. Byla optimalizov\u00E1na metoda stanoven\u00ED kyseliny \u0161\u0165avelov\u00E9 pomoc\u00ED vysoko\u00FA\u010Dinn\u00E9 kapalinov\u00E9 chromatografie s UV detekc\u00ED. Valida\u010Dn\u00ED parametry byly n\u00E1sleduj\u00EDc\u00ED: LOD 1,0 mg.kg-1 , LOQ 3,7 mg.kg-1, R2 0,9990, RSD 0,7 %, v\u00FDt\u011B\u017Enost 80 a\u017E 85 %."@cs . "RIV/60193697:_____/10:#0000575" . "[7794DECD73DC]" . "Macuchov\u00E1, Simona" . . . . "0023-5830" . "Determimation Of Oxalic Acid In Barley And Malt Using The RP-HPLC"@en .