CAN YOU ADD FLAVORING TO CANNED FROSTING OPTIONS

I purchased some DuncanHines coconut Pecan frosting, and the nuts in it taste Outdated, I'm realy disapointed far too, because I usually felt superior in getting, DuncanHines cale mixes and frosting many thanks Dorothy InmanDoes the frosting need to be refrigerated? No, this frosting doesn't have to be refrigerated. Cupcakes frosted using this type