Complex sentence: Sold in various varieties, the most notable difference between them is the length of aging period, varying from 5 to over 50 years, and the natural colour which is taken from the long reaction between alcohol and the oak, not from the addings.
Split into simpler sentences: Sold in various varieties, the most notable difference between them is the length of aging period, varying from 5 to over 50 years. And the natural colour which is taken from the long reaction between alcohol and the oak not from the addings.