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. 2023 May 24;23:169. doi: 10.1186/s12906-023-03989-8

Table 3.

The identified metabolites of the n-butanol fraction of T. nilotica flowers exhibited at 1H-NMR

Functional Groups 1H-NMR (m, J in Hz)
M1 Un/saturated fatty acids
 18- CH3 0.9
 (CH2)n 1.2
 2-CH2 1.6
 3- CH2 2.07
 allylic CH2 2.29
 Olefinic CH 5.33
Sugars
 M2 α-glucose 5.18 (d, J = 3.8 Hz)
 M3 β-Glucose 4.58 (d, J = 7.8 Hz)
 M4 sucrose 5.40 (d, J = 3.8 Hz), 4.17 (d, J = 8.5 Hz)
Organic acids
 M5 Succinic acid 2.56 (s)
Coumarins & flavonoids
Coumarins derivative 6.35, 7.60 (d, J = 15.8 Hz)
 Flavonoids derivative 6.2–8.23