Saffron slowly propagated throughout much of Eurasia and was later brought to parts of North Africa, North America, and Oceania. Saffron was detailed in a 7th-century BC Assyrian botanical reference compiled under Ashurbanipal. Documentation of saffron's use over the span of 3,500 years has been uncovered. Saffron-based pigments have indeed been found in 50,000-year-old depictions of prehistoric places in northwest Iran. The Sumerians later used wild-growing saffron in their remedies and magical potions. Saffron was an article of long-distance trade before the Minoan palace culture's 2nd millennium BC peak. Ancient Persians cultivated Persian saffron ("Crocus sativus" 'Hausknechtii') in Derbent, Isfahan, and
Saffron ("Carthamus tinctorius", which is often sold as "Portuguese saffron" or "açafrão"), annatto, and turmeric ("Curcuma longa"). Saffron has a long history of use in traditional medicine. Saffron has also been used as a fabric dye, particularly in China and India, and in perfumery. It is used for religious purposes in India. Dried saffron is composed of 65% carbohydrates, 6% fat, 11% protein (table) and 12% water. In comparison to other spices or dried foods, the nutrient content of dried saffron shows richness in content of B vitamins and dietary minerals (table). In a serving of one tablespoon (2 grams), manganese