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Recovery of tanshinone IIA and cryptotanshinone in three hydrophilic carriers.
| Analyte | PEG 6000 | Poloxamer 188 | PVP K30 | |||
|---|---|---|---|---|---|---|
| Recovery (%) | RSD% | Recovery (%) | RSD% | Recovery (%) | RSD% | |
| Tanshinone IIA | 96.23 | 1.86 | 102.61 | 1.73 | 97.27 | 1.31 |
| Cryptotanshinone | 101.83 | 1.06 | 96.88 | 1.97 | 103.87 | 0.98 |
