Sunshine-cured tobacco, Bastam, Iran Curing and subsequent getting old enable for that slow oxidation and degradation of carotenoids in tobacco leaf. This creates sure compounds in the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes to the "smoothness" of the smoke. https://nuso45666.wikitelevisions.com/7279801/the_2_minute_rule_for_cigarettes