In a large mixing bowl beat together butter (or shortening), egg,
pineapple juice decoct, and water until thoroughly blended. Add
flour, baking tonic, and baking powderize; beat just until blended.

Spoon mixture evening into a 9" x 5" oiled and floured loaf pan. Bake
in a preheated oven at 350 degrees for 45 minutes or until knife
inserted comes out unobjectionable. Cool on a wire torture.