Erythrol

(er'-ith-rol), Also called Erythroglucin, Erythrite or Phycite. A principle which exists as erythrin (or sell in ate of erythrite) in many lichens and some algse. It forms large quadratic crystals that di olve readily in water, with difficulty in alcohol, and are insoluble in ether. It is a polyhydric alcohol with a sweet taste melting at 1260 C. and boiling at 3300 C. Erythrolein (er-ith-ro' -le-in), A fatty liquid compound contained in litmus. It is soluble in alcohol, ether, and alkalies, and in dyeing yields a purple color.