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onosma leptantha/antioxidante

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ArtículosEnsayos clínicosPatentes
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In this study, the optimal naphthoquinones-enriched ethanol extract from the roots of Onosma hookeri Clarke. var. longiforum Duthie (OHC-LD) was obtained under an optimal condition (69% ethanol, material to solution ratio of 27:1 at 60℃ for 59 min) by the ultrasound-assisted
Onosma bracteata Wall. (Boraginaceae) is a highly valuable medicinal herb that is used for the treatment of fever, bronchitis, asthma, rheumatism, stomach irritation, and other inflammatory disorders. The present study aims to explore the hepatoprotective potential of ethanolic extract

Antioxidant and antimicrobial activities of Onosma argentatum and Rubia peregrina.

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The n-hexane-dichloromethane (1:1) extract of the roots of Onosma argentatum and the methanol extract (partitioned between water and chloroform, ethyl acetate and n-butanol, respectively), of the underground parts (roots and rhizomes) of Rubia peregrina were tested in vitro for their antioxidant and
In this study, besides isovaleryl shikonin, another shikonin derivative, tigloylshikonin, was also isolated from the roots of Onosma hookeri Clarke. var. longiforum Duthie as a main naphthoquinone constituent for the first time. Then optimization of the ultrasonic-assisted extraction was done by

Redox status, DNA and HSA binding study of naturally occurring naphthoquinone derivatives.

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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

Effects of Onosma armeniacum root extract on ethanol-induced oxidative stress in stomach tissue of rats.

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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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