Quinine comes from the bark of the cinchona tree.
From wikipedia: "Because of its relatively constant and well-known fluorescence quantum yield, quinine is also used in photochemistry as a common fluorescence standard" See: http://en.wikipedia.org/wiki/Quinine and http://en.wikipedia.org/wiki/File:Tonic_water_uv.jpg
can quinine go bad
Quinine is a noun.
Quinine is measured in milligrams.
"Bitter tastes are experienced by quinine."
Glowing jello glows because of the quinine that absorbs light from the black light
The ingredient that is unique to tonic water is quinine. Although quinine has many bad effects when consumed to great excess, insomnia is not among them. In fact, somnolence -- the opposite of insomnia -- is common.
The bitter principle in grapefruit is naringin, not quinine. They are not chemically related.
Quinine is a drug with chemical formula C20H24N2O2. In each molecule of quinine there are 20 carbon atoms. Thus in 4.0 moles of quinine, there would be 80 moles of carbon.
No quinine is more for malaria. It is an anti-protozoal. Mixing antibiotics with quinine is not the best idea. It increases antibiotics side effects.
That is the correct spelling of "quinine" (alkaloid from tree bark used medicinally).