Possession of the pure synthetic specimens of the anthocyanidins and chief anthocyanins enabled my wife and me to devise quick tests for these colouring matters which can be used with the material from a few flower petals.— Robert Robinson
Possession of the pure synthetic specimens of the anthocyanidins and chief anthocyanins enabled my wife and me to devise quick tests for these colouring matters which can be used with the material from a few flower petals.
