FIG. 1.

Plots of rLDX chemical shift versus sample temperature for neat (a) triglycerides and (b) vegetable oils. Experimental uncertainties for each measurement are indicated by elliptical regions around each point. Best fits for rLDX CS curves for 18:1, 18:2, and 16:1 samples are (−0.2021±0.0025) ppm/°C+(199.99±0.08) ppm, (−0.2045±0.0025) ppm/°C+(201.93±0.08) ppm, and (−0.2031±0.0025) ppm/°C+(199.57±0.08) ppm, respectively. Best fits for 18:1T, 18:2T, and 16:1T are (−0.2042±0.0042) ppm/°C+(200.76±0.15) ppm, (−0.2101±0.0027) ppm/°C+(203.71±0.09) ppm, and (−0.2066±0.0027) ppm/°C+(200.44±0.09) ppm, respectively. Best fits for coconut, olive, and corn oils are (−0.2097±0.0026) ppm/°C+(196.49±0.08) ppm, (−0.2073±0.0026) ppm/°C+(200.24±0.09) ppm, and (−0.2059±0.0032) ppm/°C+(201.18±0.11) ppm, respectively.