From: Stress degradation studies and stability-indicating TLC-densitometric method of glycyrrhetic acid
Peak | Rt (min) | Proposed formula | Observed mass | Calculated mass | Error (ppm) | Characteristic MS/MS fragment ions |
---|---|---|---|---|---|---|
Peak 1 | 1.687 | C30H45O5 | 485.3263 | 485.3261 | 0.3601 | 467, 449, 431, 421,403, 385, 259, 233, 187 |
Peak 2 | 2.142 | C30H47O5 | 487.3450 | 487.3423 | 5.4374 | 451,423,405,387, 317, 271,235,189,175 |
Glycyrrhetic acid ( Peak 3) | 2.531 | C30H47O4 | 471.3488 | 471.3468 | 4.0588 | 453, 425, 407, 389, 317, 271, 263, 235, 217, 189, 149 |
Peak 4 | 2.916 | C30H49O3 | 457.3636 | 457.3676 | −8.7945 | 439, 411, 393, 343, 249, 203, 191 |