If you would like to put pineapple in your jello, I have good news for you. You can actually combine the two and get a yummy dessert ... but you have to use canned pineapple to prepare it. Jello contains gelatin (a protein, which is a processed version of collagen.
It's a cobalt oxide-aluminum oxide. Very costly and extraordinary stable pigment of pure blue colour discovered by Thenard thÃ©nard in. 1802
The first recorded use of cobalt blue as a color name in English was in 1777. The leading world manufacturer of cobalt blue in the 19th century was Benjamin Wegner's Norwegian company BlaafarvevÃ¦rket, (blue colour works in Dano-Norwegian).