Sun-cured tobacco, Bastam, Iran Curing and subsequent aging allow to the gradual oxidation and degradation of carotenoids in tobacco leaf. This provides certain compounds from the tobacco leaves and offers a sweet hay, tea, rose oil, or fruity aromatic taste that contributes to the "smoothness" with the smoke. Evanston https://jeffreybqdpb.tnpwiki.com/6699262/not_known_details_about_tabacco