Sunshine-cured tobacco, Bastam, Iran Curing and subsequent growing older let to the sluggish oxidation and degradation of carotenoids in tobacco leaf. This produces certain compounds during the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes towards the "smoothness" from the smoke. https://beauiwivg.wikitidings.com/6294401/5_essential_elements_for_smoke