Other Sources of Myricetin.(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 University of Leeds
and
Arthur Ernest Everest, D.Sc., Ph.D., F.I.C., of the Wilton Research Laboratories; Late head of the Department of Coal-tar Colour Chemistry; Technical College, Huddersfield
Longmans, Green and Co.
39 Paternoster Row, London
Fourth Avenue & 30th Street, New York
Bombay, Calcutta, and Madras
1918

Kaikki kuvat (kemialliset kaavat) puuttuvat // None of the illustrations (of chemical formulas) included.

Other Sources of Myricetin.
(CHAPTER VII. Flavonol Group.)

Sicilian sumach, the leaves of the Rhus coriaria (Linn.), contain myricetin, probably as glucoside (Perkin and Allen, ibid.) 69, 1299). The colouring matter also exists in Venetian sumach, R. colinus, and this is interesting, because the wood of this tree constitutes "young fustic" and contains fisetin. Among other plants myricetin has been isolated from the Myrica gale (Linn.), the leaves of Pistacia lentiscus (Linn.), the leaves of the logwood tree, Haematoxylon campechianum (Linn.), and it is found in conjunction with quercetin in the leaves of the Coriaria myrtifolia (Linn.) and the R. metopium (Linn.).

Everest (Royal Soc. Proc.,1918, B., 90, 251 (has shown that in all probability myricetin as a glucoside accompanies the anthocyanin pigment Violanin; a glucoside of [KUVA PUUTTUU] in the flowers of the purple-black viola (Sutton's "Black Knight"), an observation which is of considerable interest in connection with the relationship which exists between the flavonols and anthocyans.