Sunlight-cured tobacco, Bastam, Iran Curing and subsequent getting older permit with the gradual oxidation and degradation of carotenoids in tobacco leaf. This generates specific compounds within the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes towards the "smoothness" of the smoke. https://broadfar-com23333.wikififfi.com/1417422/the_ultimate_guide_to_smoking