Trade and use of saffron 93.7 percent of the year's global total mass; much of the Iranian crop was bound for export. In the same year, second-ranked Greece produced . Morocco and Kashmir-India: Most of the region's saffron is grown in the more climatically suitable "Valley of Kashmir", which is in Indian state of Jammu and Kashmir ; region of Kashmir, tied as the next-highest producer, each produced . In decreasing order, Iran, Greece, Morocco, the Kashmir (Jammu and Kashmir-India), Azerbaijan, Spain, and Italy dominate the world harvest. In Iran, the world's leading producer, the erstwhile and northeasterly Khorasan Province, which in 2004 was divided
Saffron is present as 28% of the Daily Value, while other micronutrients have negligible content (table). One limited meta-analysis concluded that saffron supplementation improved symptoms in people with major depressive disorders. Another review of preliminary human research indicated that it may have effects on mild to moderate depression. The documented history of saffron cultivation spans more than three millennia. The wild precursor of domesticated saffron crocus is probably "Crocus cartwrightianus". If "C. sativus" is a mutant form of "C. cartwrightianus", then it may have emerged by human cultivators selectively breeding specimens for unusually long stigmas in late Bronze Age Crete. It