Ratio of Total % should be kept at this level for a commercial juice flavour.
If using a RTA, RDA you can run at between 15-20% total flavour
Traditional Lemon Meringue Pie - If you think Dinner Lady is good then this is going to be right up your alley. Much better profiles.
Flavour profiles of single flavour concentrates will NOT bend at higher ratios.
Pineapple is in there to lift the Lemon Tart to more like a lemon curd type.