Dissolves dirty stuck on teeth and cleans teeth
it is a flavouring agent
limonene limonene
No.
d-limonene, aka (+)-limonene, was first identified in termpetine oil (0. Wallach and W. Brass, Liebigs Ann. Chem. 1884, 225, 291)
The sales pitch is that using one maximizes the amount of toothpaste you will be able to use out of the tube therefore minimizing waste.
C4H16BR4. Limonene adds 4Br and the two double bond is broken.
Im not really sure about using volatile solvents to extract limonene in orange peelings, but you can use the maceration process which uses a neutral oil to release the natural oils in the peelings along with limonene and distill the oil produced to get limonene.
No it is not. Toothpaste is an emulsion which contains various chemicals, but they do not change their composition in use. What it does is to foam with water (a function of the surfectant) in order to deliver the cleaning process.
NO.
most toothpastes contain an abrasive such as calcium carbonate to help remove the plaque
with a polarimeter
no they are not bitter foods.