The current study unveils the effect of O. echioides extract on two-stage skin carcinogenesis and on tumor promoter induced markers and oxidative stress in Swiss mice. Treatment of dorsal shaven cutaneous portions of the mice with single topical application of benzoyl peroxide (BPO) followed by
Onosma echioides Linn (Boraginaceae) is the most frequently used curative herb widely used for kidney obstruction, sciatic pain, and gout. The present study was designed to investigate the therapeutic effects of n-hexane bark extract of O. echioides (OE) L. root in vivo against
In the present work we modified the procedure for isolation of naphthoquinones α-methylbutyrylshikon ( 1 ), acetylshikonin ( 2 ) and β-hydroxyisovalerylshikonin ( 3 ) from Onosma visianii Clem. We also investigated possible mechanisms of 1 , 2 and
This study investigated the effects of Onosma armeniacum K. (Boraginaceae) root extract (AR-1) on ethanol-induced stomach ulcers, and on some oxidant and antioxidant parameters, in stomach tissue in rats. The results obtained showed that AR-1 significantly inhibited ethanol-induced ulcers at 25, 50,
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