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Comparison of the direct and indirect wide‐line nuclear magnetic resonance methods for determining solid fat content
Author(s) -
Mills B. L.,
Voort F. R.
Publication year - 1981
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02887321
Subject(s) - analyser , line (geometry) , direct methods , content (measure theory) , nuclear magnetic resonance , variable (mathematics) , chemistry , direct current , analytical chemistry (journal) , materials science , computational physics , physics , mathematics , chromatography , mathematical analysis , thermodynamics , geometry , power (physics)
A direct method of measuring the solid fat content by wide‐line nuclear magnetic resonance (NMR) was compared with the conventional indirect wide‐line NMR procedure. The direct method is based on the use of variable gate widths available on the Newport Analyser Mk IIIA. The results obtained for four different fats using the direct method did not differ significantly from those of the indirect method. As the direct method required additional measurements, was somewhat more complex theoretically and gave more variable results because of the weaker signal obtained at the wide gate, no real advantage could be found for its use.