Sun-cured tobacco, Bastam, Iran Curing and subsequent growing older make it possible for to the sluggish oxidation and degradation of carotenoids in tobacco leaf. This produces sure compounds from the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes to the "smoothness" https://thegreatbookmark.com/story19121477/the-definitive-guide-to-cigarettes