| Attribute | Specification |
| Product Name | Dried Hibiscus Flowers |
| Botanical Name | Hibiscus sabdariffa |
| Common Name | Roselle, Hibiscus, Sorrel (in the Caribbean and Africa) |
| Form | Whole calyces or flakes, dried |
| Color | Deep red to burgundy (high-quality); dull or brownish indicates age |
| Aroma | Slightly fruity, tart fragrance |
| Taste | Tart, cranberry-like flavor |
| Size | Calyx size: 3–6 cm in diameter (whole); flakes vary by cut |
| Moisture Content | Maximum 12% |
| Purity | Minimum 98% |
| Admixture | Not more than 2% |
| Foreign Matter | Not more than 0.5% |
| Broken Flowers/Flakes | Up to 10% (varies by grade) |
| Insect Damage | Absent |
| Mould | Not allowed |
| Ash Content | Total ash: ≤8%; Acid-insoluble ash: ≤2.5% |
| Cleanliness | Mechanically cleaned, free from stones, dust, and other debris |
| Shelf Life | Up to 18–24 months (cool, dry, dark storage) |