Variety Turmeric fingers ,ground , oleoresin & Turmeric oil. Turmeric the dried rhizome of a herbaceous perennial, is indiginious to south east asia. The primary rhizomes, round in shape are called â??bulbsâ??, while the thin long straight are called â??fingersâ??. Turmeric is also called as india saffron because of its bright yellow color. Technical Data a. Moisture - 12%max b. Curcumin - 2.0% min c. Total Ash - 8% max d. Acid Insoluble Ash - 1% max