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A liquid chromatographic method with UV detection was developed to analyse 5-hydroxymethyl-2-furfural and its main metabolite 5-hydroxymethyl-2-furoic acid in urine. For the analysis on a reversed phase column was used with 5% methanol in water and 5mM tetramethylammoniumhydrogen sulphate as ion-pair reagent as eluent. The detection was done at the UV absorption maximum of HMFA at 255nm. The limit...
Linamarin levels in sun-drying cassava root pieces showed an exponential decrease, parallel with the moisture loss, and stabilized when moisture levels reached about 15%. Linamarin degradation in thin root segments was significantly slower and less complete than in thick ones. Disinfected longitudinal root halves, oven-dried at 40°C for 24 h, had significantly higher residual linamarin levels than...
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