rubian

Meaning

One of several colour-producing glycosides found in madder root.

Synonyms

10 di- -one

1 hydroxy- 2 3

4 S

ruberythric acid

3 R

alizarine 2 β primveroside

5 R 3

rubianic acid

10 anthracene- di- -one

Etymology

From Latin rubia (“madder”), from rubeus (“red”).

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