Sun-cured tobacco, Bastam, Iran Curing and subsequent growing old make it possible for to the slow oxidation and degradation of carotenoids in tobacco leaf. This produces certain compounds in the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes towards the "smoothness" https://nuso55207.digitollblog.com/33482775/5-simple-techniques-for-tabacco