Sunlight-cured tobacco, Bastam, Iran Curing and subsequent ageing permit for the gradual oxidation and degradation of carotenoids in tobacco leaf. This makes specified compounds inside the tobacco leaves and gives a sweet hay, tea, rose oil, or fruity aromatic taste that contributes on the "smoothness" on the smoke. This https://broadfar.com/heated-tobacco-shaping-a-safer-sustainable-smoking-future/