Research Article
Determination of Cyclopropane Fatty Acids in Food of Animal Origin by 1H NMR
Figure 2
1H NMR spectrum (600 MHz, CDCl3) of dihydrosterculic acid standard and trimethylsilyl decanol (TMSD) in the very upfield region of the spectrum. The CPFA signal at −0.34 ppm and the TMSD signal at 0.07 ppm were selected for quantification.