Sunshine-cured tobacco, Bastam, Iran Curing and subsequent growing older enable with the sluggish oxidation and degradation of carotenoids in tobacco leaf. This produces selected compounds within the tobacco leaves and provides 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/