Sunshine-cured tobacco, Bastam, Iran Curing and subsequent ageing permit for the gradual oxidation and degradation of carotenoids in tobacco leaf. This makes specified compounds while in the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic taste that contributes to your "smoothness" with the smoke. https://nmate13458.wikitron.com/1390951/considerations_to_know_about_smoking