|Saffron Flower in Iran|
Saffron is known as one of the most expensive thing on earth. Although mainly a spice, it is costlier than gold and is quite a smuggler’s charm too. There are a number of varieties of saffron available in the market as it grows in many regions of the world. However, the worth can be different of this widely produced saffron. The worth of different types of saffron is certified by ISO which is determined by three factors, colour, aroma and flavor. It can also be attributed to the method of cultivation of this plant, procedures adopted for plucking of the saffron strings and drying them.