“… [ 22 ] | | | | | | LOQ (10 σ /S) (MO- 5.4, OR-0.9, CD-1.8, PA-0.8, TH-0.6 NS1.6) μg mL −1 | |
morphine, codeine, oripavine, thebaine, noscapine | 1 gm powder capsule extraction in methanol | HPLC | column—C-18 (5 µm, 250 mm × 4.6 mm), | PDA detector, 240 nm | n.a. | [ 23 ] |
acetonitrile-phosphate buffer-glacial acetic acid—mobile phase, column temperature, −26°C, |
| | | 1.0 mL/ min—flow rate pH-3.8 | | | |
morphine, codeine, oripavine, thebaine | ultrasonic agitation- 1 gm dried capsule powder 10 ml methanol. temp—40−45°C. |
…”