Wrightia tinctoria

Fig. 2.39. Isolation of chemical constituents of Wrightia tinctoria. A similar scheme was followed for the isolation of chemical constituents from W. tomentosa and W. cocinea. Reprinted with permission from A. V. Muruganandam et al. [118].

Isoricinolic acid [(S)-9-hydroxy-(Z)-12-octadecenoic acid] occurs as the glycerol ester in the seed oil of Wrightia tinctoria and other species of the Apocyna-ceae as well as in microorganisms see also hydroxy fatty acids. 

Baphicacanthus cusia (Acanthaceae) [19], Calanthe aristurifera (Orchidaceae) [33], C. discolor [33], C. liukiuensis [35], C. reflexa [33], Isatis indigotica (Brassicaceae) [35], I. tinctoria [28], Polygonum tinctorium (Polygonaceae), [58], Strobilanthes cusia (Acanthaceae) [14], Wrightia tinctoria (Apocynaceae) [31]... 

Isoricinoleic acid S-18 1-12c, —OH-9 Wrightia tinctoria, Wrightia coccinea... 

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