Volatile Partitioning Between Milk Fat and Aqueous Phases as Influenced by Temperature |
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Page 36
Water saturated 1 - octanol was prepared in a glass bottle by adding HPLC grade
water to about one - tenth of the bottle ' s volume . The bottle was then filled with 1
- octanol . vas The phases were mixed by inversion for two minutes , and ...
Water saturated 1 - octanol was prepared in a glass bottle by adding HPLC grade
water to about one - tenth of the bottle ' s volume . The bottle was then filled with 1
- octanol . vas The phases were mixed by inversion for two minutes , and ...
Page 47
2 Method controls in milk fat and water partitioning systems Blanks ( negative
controls ) were prepared by combining water with injection standard and acetone
in the same proportions as aqueous phase samples . Positive controls were ...
2 Method controls in milk fat and water partitioning systems Blanks ( negative
controls ) were prepared by combining water with injection standard and acetone
in the same proportions as aqueous phase samples . Positive controls were ...
Page 106
Prior to preparing the alcohol standard solution as described in 3 . 1 . 2 , a
standard solution was prepared in acetone , as as each of the alcohols is
miscible or soluble in acetone ( CRC , 2002 ) . A highly linear standard curve was
achieved .
Prior to preparing the alcohol standard solution as described in 3 . 1 . 2 , a
standard solution was prepared in acetone , as as each of the alcohols is
miscible or soluble in acetone ( CRC , 2002 ) . A highly linear standard curve was
achieved .
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Common terms and phrases
1-butanol 1-heptanol 1-octanol and water 1-propanol according acetone achieved acid activity Additional alcohols allowed analysis anhydrous milk fat approximately aqueous phase associated calculated cheese chromatography compared comparison compounds concentration conducted constant containing correlation crystal curve decrease dependent determined Deviation difference diffusion dissolved effect emulsion energy enthalpy entropy equilibrium conditions et al ethanol experiments factor fat and water flavor development globule greater groups hydrophobic impact improve increase indicates influenced by temperature initially injection standard interactions less levels limited lipid liquid Log Kmw mass mean measured melting method milk fat minutes mixing models needed observed partition coefficient peak area physical polar prepared properties proteins ratio reactions reduced regression reported sample saturated separate slope solid fat content solubility solute solvent stirring suggest Table understanding values verify versus vial volatiles volume water partitioning