Solar-cured tobacco, Bastam, Iran Curing and subsequent growing older permit to the sluggish oxidation and degradation of carotenoids in tobacco leaf. This creates certain compounds from the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic taste that contributes for the "smoothness" of your smoke. https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/