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Quantitation of CS from Pharmaceuticalsa
| Sample | Labeled amount (mg) |
Determined amount (mg) |
Label claim (%) |
|---|---|---|---|
| Ophthalmic solution | 2 | 2.07 | 103.33 |
| Liquid preparation | 30 | 29.25 | 97.48 |
| Soft capsule | 120 | 114.06 | 95.05 |
The CS content was quantified by calculating the total peak areas of the disaccharides derived from a CS calibration curve.
