Sunshine-cured tobacco, Bastam, Iran Curing and subsequent growing old enable with the slow oxidation and degradation of carotenoids in tobacco leaf. This makes certain compounds inside the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes on the "smoothness" on the smoke. https://stephenfzpap.sunderwiki.com/1314432/fascination_about_smoking