Bara, Lucian2021-06-282021-06-282010-10-05Acta Agraria Debreceniensis, No. I (2010): Journal Of Agricultural Sciences - Supplement , 75-782416-1640https://hdl.handle.net/2437/317176A case of hemorrhage of unknown origin was observed in cattle and liver samples were submitted for assay of Vitamin K or possible cuomarol. After evaluating normal and reverse phase Thin Layer Chromatography (TLC) plates and different solvents, reverse phase TLC plate with indicator and methylene chloride:methanol 70:30 were chosen for direct method of detection and indication of Vitamin K.Gass Chromatography and Densitometry were used to quantitate the Vitamin K present in liver samples and confirmation of Vitamin K was done by Mass Spectroscopy.application/pdfphylloquinonet thin layer chromatographyfolyóiratcikkOpen Accesshttps://doi.org/10.34101/ACTAAGRAR/I/8379Acta Agraria DebreceniensisIActa agrar. Debr.