Skip to main content
. 2021 Feb 17;11:3989. doi: 10.1038/s41598-021-83409-4

Table 2.

Comparison of signal area ratio changes measured on 300 MHz and 60 MHz instruments. Increasing and decreasing signals highlighted in bold and italics respectively.

Signal area ratios
Ethanol–water to ethanol
Compound ppm range August 18 June 28
300 MHz 60 MHz 300 MHz 60 MHz 300 MHz 60 MHz
Rutin and lipids 0.75–1.55 0.7–1.55 0.231 0.289 0.356 0.324
Hyperforin 1.6–1.8 1.57–1.92 0.223 0.307 0.439 0.286
Beta-glucose 4.51–4.57 4.44–4.66 1.328 1.602 1.437 1.853
Chlorogenic acid 6.24–6.31 6.16–6.34 1.295 1.627 1.356 1.780
Flavonoid glycosides 6.55–7.26 6.55–7.26 1.271 1.833 1.490 1.974
7.88–7.93 7.85–7.96 1.177 2.302 1.002 2.091
Correlation 0.921988 0.905054
p-value  < 0.005  < 0.005