Sun-cured tobacco, Bastam, Iran Curing and subsequent aging let for the gradual oxidation and degradation of carotenoids in tobacco leaf. This provides selected compounds while in the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic taste that contributes on the "smoothness" on the smoke. https://jaidengtgse.wikisona.com/1336304/the_5_second_trick_for_tabacco