The other type of Saffron is called Saffron Thread, in order to collect this type of Saffron, about 1 to 4 millimeters cream is remained at the lowest part of the Saffron Threads which are connected together. The red, bulky stigmas and tall strands connected together with cream or yellow parts are considered as the characteristics of saffron Thread. It is the finest type of Saffron available in the market which has the remarkable coloring power that is about190 degrees. Due to completed part of Saffron strands in this type, the red stigma to yellow part, the authenticity and validity of it are confirmed and there is no fraud in it. This is the reason why people prefer to buy Saffron Thread.
Aroma of Iranian Saffron is related essential which is develop by distillation of the oil with water, This liquid substance is colorless and the intense aroma of the Saffron is related to this substance .extract essence absorb the oxygen simply and then finally turn to a brown liquid called safranal (c10H140)
Oily essence of Iranian Saffron is extremely unstable and it’s not marketable.
Iranian Saffron economic and social significance
Persian Saffron has been known as the most prized cultivation product and also the precious spice in the world has special stand among industrial and importing product of in Iran, at the moment Iran ranks first among the largest Saffron producers in the world and 65percent of world production of this red-gold proudly belongs to Iran .
Various and wide range of application and also medicinal benefits of Persian Saffron has caused the important effects on subsist of the farmers whom live in
center and southern area of Khorasan, based on this fact focusing on the import-export and product of this precious plant has been increased.