Volatile Partitioning Between Milk Fat and Aqueous Phases as Influenced by Temperature |
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Page 52
2 ) The means of triplicate Log P values are listed in Table 4 . 2 along with
literature values . The three reference values show moderate variability , which
appears inherent in partition measurements ( Sangster , 1989 ; Leo , 1991 ;
Rekker ...
2 ) The means of triplicate Log P values are listed in Table 4 . 2 along with
literature values . The three reference values show moderate variability , which
appears inherent in partition measurements ( Sangster , 1989 ; Leo , 1991 ;
Rekker ...
Page 53
Table 4 . 3 contains the probability ( p ) of no correlation between temperature
and Log P . All alcohols had p - values of less than 0 . 01 , indicating strong
evidence of a correlation to temperature . All of the alcohols partitioned more into
the 1 ...
Table 4 . 3 contains the probability ( p ) of no correlation between temperature
and Log P . All alcohols had p - values of less than 0 . 01 , indicating strong
evidence of a correlation to temperature . All of the alcohols partitioned more into
the 1 ...
Page 74
Table 4 . 2 : Log P values of alcohols at 25° C in comparison to reference data
Literature experimental Calculated frevised Partitioned alcohol Mean Standard
Log P | deviation | Leo et al . , 1971 Sangster , 1997 Rekker & Mannhold , 1992 ...
Table 4 . 2 : Log P values of alcohols at 25° C in comparison to reference data
Literature experimental Calculated frevised Partitioned alcohol Mean Standard
Log P | deviation | Leo et al . , 1971 Sangster , 1997 Rekker & Mannhold , 1992 ...
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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