> The liner recipes are calibrated to the recipes of the drinks, with their different levels of acidity, sugar, caffeine, oils and, in some cases, alcohol. The polymer, once dried, can’t react in any way with the beverage, even after months on a supermarket shelf, lest the precisely calibrated flavor profile of a Topo Chico strawberry hibiscus hard seltzer or a Monster Assault energy drink be corrupted.

I have always believe that this the reason why coke from a plastic bottle tastes different that one from a metal can or glass bottle. Personally I try to stay clear of the plastic bottle as I find that can/glass taste better.