Table 2 Semi-quantitative analysis of 2D-HSQC of the RCF oil using different ratios of 2-PrOH:H2O (v/v) as initial liquor
2-PrOH:H2O ratios (v/v) | S (%) | G (%) | H (%) | S/G | β-O-4 | β-β | β-5 |
|---|---|---|---|---|---|---|---|
1:9 | 22.898 | 71.689 | 5.412 | 2.941 | 6.649 | 0.292 | 0.666 |
3:7 | 24.078 | 70.903 | 5.019 | 2.378 | 5.389 | 0.525 | 0.025 |
5:5 | 23.914 | 70.179 | 5.907 | 2.420 | 7.447 | 0.517 | 0.000 |
7:3 | 24.557 | 69.141 | 6.302 | 2.800 | 5.014 | 0.482 | 0.000 |
9:1 | 12.903 | 77.758 | 9.340 | 1.661 | 6.798 | 0.748 | 0.000 |