Saffron: the most expensive spice.

Saffron has regularly been described as a spice derived from the flower of Crocus sativus. It is the world's most expensive spice. Saffron develops to 20–30 cm, its flower has three vivid crimson stigmas, people collect and dry stigmas to sell.

170,000 flowers = 100 kg flowers = 1 kg dry saffron stigmas (around 2,000$ high quality saffron from Iran.).
Why is it extremely costly? Because the cultivation and harvest is still performed as it was since ancient times by hand. Elderly village women are usually set on this task of removing the saffron "threads." It takes 4,500 crocus flowers to make up one ounce of saffron spice.

Food: Saffron stigmas is used to give a golden red/yellow color to food and add its distinct flavor. saffron strings have an impactful and particular smell and flavor - marginally sharp, somewhat smelly, and with a recommendation of something botanical.

Health: Saffron has the manganese content is off the charts at nearly 400% of the daily recommended value! Manganese helps regulate blood sugar, metabolize carbohydrates, and absorb calcium. It also helps form tissues, bones, and sex hormones. Everything else seems a little chintzy after that, but the next-largest nutritional quantities also are quite impressive: vitamin C - 38%. Vitamin C is an infection fighter; magnesium - 18%. Iron - 17%, Iron purifies your blood. Potassium, Potassium helps balance fluids in cells, which, if low, can cause painful muscle cramps. Vitamin B6 both impart 14% of the daily recommended value, the vitamin B6 content helps form red blood cells and assures nerves will function as they should.