From the chloroformic fraction of the leaves of Tarchonanthus camphoratus L (Compositae), a new guaianolide sesquiterpene lactone which were named tarchonanthenolide and the known germacranolide parthenolide were isolated. In addn. luteoline 7-O-glucoside was obtained from the ethanolic fraction of the leaves. Moreover, the biol. screening showed that the ethanolic ext. of the leaves possesses a significant analgesic, anti-inflammatory and anticonvulsant activities.
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Bishay et al. (2001) studied this question.