30.6.24

Quercitron Bark.
Glucosides of Quercetin.
Rutin.
(CHAPTER VII. Flavonol Group.)

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...

Quercitron Bark
Commercial preparations: Flavin, Patent bark, Bark-liquor.
(CHAPTER VII. Flavonol Group.)

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...