Hibiscus

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)