Metabolite | Chemical shift (δ) |
| p value |
|
|
| H | P | T |
|
| 120 vs 150 vs 180 DAT | 120 vs 150 vs 180 DAT | 120 vs 150 vs 180 DAT |
Andrographolide (A) (1) | 6.91 (m), 4.54 (dd, J = 5.0, 10.0 Hz), 4.09 (d, J = 10.0 Hz), 1.92 (s), 1.32 (d, J = 7.50 Hz), 1.16 (s), 0.72 (s) | >0.05 | <0.05 | >0.05 |
Deoxyandrographolide (D) (2) | 4.16 (d, J = 6.5 Hz) | ND | ND | ND |
Neoandrographolide (N) (3) | 7.40 (s), 4.27 (d, J = 10 Hz), 1.00 (s), 0.64 (s) | >0.05 | >0.05 | >0.05 |
α-Glucose (a-Glc) | 5.20 (d, J = 4.0 Hz) | ND | ND | ND |
β-Glucose (b-Glc) | 4.60 (d, J = 8.0 Hz) | ND | ND | ND |
Sucrose (S) | 5.40 (d, J = 3.9 Hz) | ND | ND | ND |
Choline (C) | 3.20 (s) | ND | ND | ND |
Alanine (Ala) | 1.48 (d, J = 7.5 Hz) | ND | ND | ND |