Coloriasto

Diglucosides of Pelargonidin obtained from the Flowers of the Scarlet-red Salvia (Salvia coccinea, L., and S. splendens, Sello).
(CHAPTER VIII. Pyran Group. Derivates of Pelargonidin.)

The Natural Organic Colouring Matters By Arthur George Perkin, F.R.S., F.R.S.E., F.I.C., professor of colour chemistry and dyeing in the U...