cyanin

“I refer to alizarin blue, alizarin cyanin, alizarin indigo, alizarin green, and coerulin.”

Scientific American Supplement, No. 810, July 11, 1891

“After the experiments made by me, eosine mixtures acted equally in the yellow and blue shade; likewise mixtures of cyanin 1/10 and eosine yellow shade 9/10 were the most favorable.”

Scientific American Supplement, No. 530, February 27, 1886

“Schumann has already said that one drop of cyanin solution, 1 to 2,500 to”

Scientific American Supplement, No. 530, February 27, 1886

“Of the several kinds of cyanin, chlorosulphate, nitrate, and iodide, the latter acts best, as stated by Eder.”

Scientific American Supplement, No. 530, February 27, 1886

“The dark to light-brown pigment, hitherto a problem, universally used on parchment, he contends upon historical, chemical and microscopic evidence is identical with oeno-cyanin and was prepared for the most part from yeast, and was first employed as a pigment.”

Forty Centuries of Ink

“Bloxam says that the coloring matter of grapes and of red wine appears to be "cyanin.”

Forty Centuries of Ink