Sunlight-cured tobacco, Bastam, Iran Curing and subsequent ageing permit for the sluggish oxidation and degradation of carotenoids in tobacco leaf. This creates particular compounds within the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic taste that contributes on the "smoothness" in the smoke. 1970 https://directory-fast.com/listings846273/details-fiction-and-smoke