Lot of factors affect the taste of a tobacco.

https://www.nlm.nih.gov/medlineplus/...cle/004013.htm

About 1/2 way down.

"The number of taste buds decreases as you age. Each remaining taste bud also begins to shrink. Sensitivity to the 5 tastes often declines after age 60. In addition, your mouth produces less saliva as you age. This can cause dry mouth, which can affect your sense of taste."