Sunlight-cured tobacco, Bastam, Iran Curing and subsequent aging make it possible for with the slow oxidation and degradation of carotenoids in tobacco leaf. This creates certain compounds inside the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes for the "smoothness" in https://nuso08521.wikipowell.com/6182431/details_fiction_and_smoking