Sun-cured tobacco, Bastam, Iran Curing and subsequent growing old enable for that slow oxidation and degradation of carotenoids in tobacco leaf. This creates specified compounds within the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes for the "smoothness" from the smoke. https://nuso70111.oneworldwiki.com/6647316/details_fiction_and_smoking