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Clerodane diterpenes from Baccharis sagittalis: insect antifeedant activity.
Two clerodane-type diterpene glycosides esters, which were studied as peracetyl derivatives, together with the known diterpene marrubiagenine, were isolated from the aerial part of BaccharisExpand
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Medicamentos herbarios en el Centro-oeste Argentino
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Insecticidal and antifeedant effects of Junellia aspera (Verbenaceae) triterpenes and derivatives on Sitophilus oryzae (Coleoptera: Curculionidae)
Abstract Triterpenes from Junellia aspera (Gillies ex Hook) (Verbenaceae) and chemical derivatives were evaluated for their antifeedant and toxic effects against adults of Sitophilus oryzae (L.).Expand
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Cytoprotective effects of chalcones from Zuccagnia punctata and melatonin on the gastroduodenal tract in rats.
The effects of 2',4'-dihydroxychalcone and 2',4'-dihydroxy-3'-methoxychalcone from Zuccagnia punctata Cav. (Fabaceae) and melatonin administration on ethanol-induced gastroduodenal injury wereExpand
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Vitamin B2-sensitized photooxidation of structurally related dihydroxyflavonoids
Abstract A kinetic study of the processes involved in the vitamin B2 (riboflavin, Rf)-sensitized photooxidation of selected flavonoids ( F ) was carried out in methanolic solution. Under aerobicExpand
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Bioactive Flavones and Terpenes from Baccharis calliprinos and B. rhetinodes (Asteraceae)
The chemical study of Baccharis calliprinos Griseb. yielded 2a,3a-dihydroxycativic acid (1) together with the flavonoids luteolin-7,3'-dimethylether (II), homoeriodictyol (110 andExpand
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Effects of natural phenolic compounds from a desert dominant shrub Larrea divaricata Cav. on toxicity and survival in mice
Los herbivoros generalistas pueden evitar la intoxicacion ingiriendo pequenas cantidades de una mezcla de metabolitos secundarios de plantas. Sin embargo, un solo compuesto, uno altamente toxico o elExpand
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Comparación del efecto fitotóxico de aleloquímicos de Baccharis boliviensis (Asteraceae) en la germinación de Trichocereus pasacana (Cactaceae)
RESUMEN. El genero Baccharis presenta una amplia distribucion en regiones aridas del noroeste argentino. Una de las especies arbustivas de este genero, Baccharis boliviensis, se asocia con diversasExpand
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Lethal and sublethal effects of triterpenes from Junellia aspera (Verbenaceae) on the grain storage insect Tribolium castaneum (Coleoptera: Tenebrionidae)
Duration of the pupal stage, toxic activity and nutritional indices induced by oleanolic acid (I), maslinic acid (II), and daucosterol (III) isolated from the native plant Junellia aspera andExpand
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Identificación de un compuesto alelopático de Baccharis boliviensis (Asteraceae) y su efecto en la germinación de Trichocereus pasacana (Cactaceae)
The genus Baccharis has a wide distribution in Northwestern arid regions of Argentina. Studies carried out on the spatial distribution of T. pasacana in relation to the available space, show thatExpand
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