| Appearance | Dark red to deep purple petals |
| Moisture Content | 12% maximum |
| Foreign Matter | 0.5% maximum |
| Acid Insoluble Ash | 1.0% maximum |
| Total Ash | 10% maximum |
| Purity | 100% dried hibiscus, free from additives |
| Flavor | Characteristic tart, slightly sour taste |
| Size | Whole or broken petals, 3-6 cm in length |
| Color Intensity | High anthocyanin content for deep color |
| Use | Tea, food coloring, herbal remedies, and beverages |