| [chemical and biological evaluation of the effect of plant extracts against plasmodium berghei]. | extracts from thirteen species of plants were evaluated by "in vivo" antimalarial test against plasmodium berghei effects. significant activities were observed in the ethyl acetate and aqueous extracts, elaborated of cedrela tonduzii leaves, trichilia havanensis and trichilia americana barks, neurolaena lobata and gliricidia sepium leaves and duranta repens fruits. compounds identified include flavanoids, coumarins, mellilotic acid and iridoids which some kind of biodynamic activity has previous ... | 1996 | 9246360 |
| enzyme inhibitory constituents from duranta repens. | isoprenylated flavonoids 5,7-dihydroxy-3'-(2-hydroxy-3-methyl-3-butenyl)-3,6,4'-trimethoxyflavone (1), 3,7-dihydroxy-3'-(2-hydroxy-3-methyl-3-butenyl)-5,6,4'-trimethoxyflavone (2) and an isoprenylated acetophenone derivative (3) have been isolated from duranta repens along with known compounds, 5-hydroxy-3,6,7,4'-tetramethoxyflavone (4), rosenonolactone (5), 6,7-dimethoxycoumarin (6), 5alpha,8alpha-epidioxyergosta-6,22-dien-3beta-ol (7) and 5alpha,8alpha-epidioxyergosta-6,9(11),22-trien-3beta-ol ... | 2002 | 11964000 |
| [repellent and antifeedant effect of secondary metabolites of non-host plants on plutella xylostella]. | based on the theory of co-evolution between plants and phytophagous insects, the repellent and antifeedant effect of secondary metabolites of non-host plants on diamondback moth(dbm) plutella xylostella was studied, aimed at finding out the oviposition repellents and antifeedants of insect pests. when the ethanol extracts(etho exts) of bauhinia variegata, eucalyptus tereticornis, euphorbia hirta, duranta repens, zanthoxylum bungeanum, magnolia grandiflora, and nicotiana tabacum were applied resp ... | 2004 | 15228000 |
| [bioassay on oviposition repellency of non-preferable plant extracts against citrus red mite panonychus citri]. | the oviposition repellency of the alcohol extracts from 50 species of non-preferable plants and azadirachtin against citrus red mite (panonychus citri) was determined using laboratory bioassays. in choice tests, the extracts from 42 of the 50 plant species and 1% azadirachtin (2000 x) significantly reduced oviposition 1d after treatment. the repellency effect of the extracts from the 42 plant species was better than that of azadirachtin. mikania micrantha extract had the best result, with an int ... | 2004 | 15669510 |
| [evaluation of non-host plant ethanol extracts against plutella xylostella population]. | through establishing experimental and natural population life tables, and by using the index of population trend (1) and interference index of population control (iipc), this paper evaluated 8 kinds of non-host plant ethanol extracts against experimental population of plutella xylostella, and 3 kinds of these extracts and their mixture against plutella xylostella natural population. the experimental population life table of dbm showed that the index of population trend (i) was 69. 8964 in contro ... | 2005 | 16180759 |
| duranta erecta poisoning in nine dogs and a cat. | four incidents of duranta erecta (golden dewdrop, sheena's gold, geisha girl) poisoning affecting nine dogs and a cat produced drowsiness, hyperaesthesia and tetanic seizures in all affected animals with evidence of alimentary tract irritation (vomiting, gastric and intestinal haemorrhage, diarrhoea, melaena) in five dogs and the cat. fruits and leaves were seen to be eaten by affected animals. therapy was successful in three of the dogs. repeated diazepam doses and, in some cases, additional pe ... | 2006 | 17359477 |
| two new anti-plasmodial flavonoid glycosides from duranta repens. | the chcl(3)-soluble fraction of the whole plant of duranta repens showed anti-plasmodial activity against the chloroquine-sensitive (d6) and chloroquine-resistant (w2) strains of plasmodium falciparum, with ic(50) values of 8.5 ± 0.9 and 10.2 ± 1.5 μg/ml, respectively. from this fraction, two new flavonoid glycosides, 7-o-α-d-glucopyranosyl-3,4'-dihydroxy-3'-(4-hydroxy-3-methylbutyl)-5,6-dimethoxyflavone (1) and 7-o-α-d-glucopyranosyl(6'''-p-hydroxcinnamoyl)-3,4'-dihydroxy-3'-(4-hydroxy-3-methyl ... | 2010 | 20565340 |
| antioxidative iridoid glycosides from the sky flower (duranta repens linn). | phytochemical investigations were performed on the etoac-soluble fraction of the whole plant of the sky flower (duranta repens) which led to the isolation of the iridoid glycosides 1-6. their structures were elucidated by both 1d and 2d nmr spectroscopic analysis. all the compounds showed potent antioxidative scavenging activity in four different tests, with half maximal inhibitory concentration (ic(50)) values in the range 0.481-0.719 mm against dpph radicals, 4.07-17.21 µm for the hydroxyl rad ... | 2011 | 21299433 |
| an updated review on phytochemical properties of "golden dewdrop" duranta erecta. | duranta erecta (family: verbenaceae) commonly referred to golden dewdrop, pigeon berry, angel whisper, or skyflower is one of the traditional medicinal plants. it has been shown to possess antimicrobial, antioxidant, and insecticide properties. its phytoconstituents such as alkaloids, flavonoids, glycosides, phenolics, saponins, steroids, tannins, and terpenoids are reported as the basis of its efficacious therapeutic properties. the other important constituents which contribute to the remedial ... | 0 | 28082794 |
| impact of bifenthrin on honeybees and culex quinquefasciatus. | the impact of bifenthrin on honeybees, apis mellifera (hymenoptera: apidae) was evaluated in both laboratory and semifield assays. ten serial dilutions of bifenthrin and an acetone control using the bottle bioassay protocol were used in the laboratory to determine killing time after 15-, 30-, and 60-min honeybee exposure. both dose and exposure time significantly affected honeybee mortality (df = 6, f = 10.9, p < 0.05). application dose of 35 microg/ml resulted in 100% bee mortality at all time ... | 2010 | 20649134 |
| uterine contractility of plants used to facilitate childbirth in nigerian ethnomedicine. | pregnant women in nigeria use plant preparations to facilitate childbirth and to reduce associated pain. the rationale for this is not known and requires pharmacological validation. | 2012 | 22766472 |
| mosquitocidal triterpenes from the stem of duranta repens. | two triterpenes, beta-amyrin and 12-oleanene 3beta, 21beta-diol, were isolated as a mixture from the chloroform soluble fraction of an ethanol extract of duranta repens linn (verbenaceae) stem. the structures of the two compounds were confirmed by analysis of their ir, (1)h-nmr, (13)c-nmr and lc-ms spectral data. the mixture of beta-amyrin and 12-oleanene 3beta, 21beta-diol (compound 1) was highly effective against the larvae of the mosquito, culex quinquefasciatus say (diptera: culicidae), as a ... | 2010 | 20645811 |
| cytotoxic potential of selected medicinal plants in northeast brazil. | great biodiversity is a highlight of brazilian flora. in contrast, the therapeutic potentialities of most species used in folk medicine remain unknown. several of these species are commonly used to treat cancer. in this study, we investigated the cytotoxic activity of 18 plants from 16 families that are found in the northeast region of brazil. | 2016 | 27391476 |
| a new triterpenoid glycoside from the leaves and stems of duranta repens. | a new triterpenoid glycoside (1) was isolated from the methanol extract of the leaves and stems of duranta repens l. (verbenaceae) along with 14 known compounds consisting of eight triterpenoids, four iridoids, one phenylethanoid glycoside and one flavonoid. the chemical structure of 1 was determined to be bayogenin 3-o-[β-d-glucopyranoside]-28-o-[α-l-rhamnopyranosyl-(1→5)-o-β-d-apiofuranosyl-(1→4)-o-α-l-rhamnopyranosyl-(1→2)-o-α-l-arabinopyranosyl] ester, based on spectroscopic data. in additio ... | 2016 | 26134247 |
| antioxidative potential of duranta repens (linn.) fruits against h2o2 induced cell death in vitro. | the effects of duranta repens fruits were investigated on h2o2 induced oxidative cell death to evaluate its antioxidative potential in vitro. hek293t cells were treated with different concentrations [0-1000 µg/ ml] of ethanol extract (e-ex) and methanol extract (m-ex) of d. repens for 24h, and then treated with 100 µm h2o2 for 24h. cell viability, antioxidant parameters of cells, and antioxidant constituents of the extracts were determined. treatment with limited dose of e-ex or m-ex increased t ... | 2013 | 24146472 |
| new triterpene saponins from duranta repens linn. and their cytotoxic activity. | from the leaves of duranta repens (verbenaceae) two new triterpene saponins, named durantanin iv (1) and v (2)were isolated.in addition, ten known compounds were isolated, namely a bidesmosidic saponin, oleanolic acid, three phenylethanoids and five flavonoids. all metabolites were isolated for the first time from this genus except for 3 (oleanolic acid) and 7 (e/z acteoside). the structures were determined mainly by spectroscopic methods (uv, ir, hresi-ms, (1)h-, (13)c-nmr, (1)h-(1)h cosy, hsqc ... | 2009 | 19471216 |
| repenins a-d, four new antioxidative coumarinolignoids from duranta repens linn. | phytochemical investigations on the chcl(3)-soluble fraction of the whole plant of duranta repens linn. led to the isolation of four new coumarinolignoids, repenins a-d (1-4), along with the known coumarinolignoids, cleomiscosin a (5) and durantin a (6). their structures were determined by modern spectroscopic analysis including 1d and 2d nmr techniques and chemical studies. the compounds (1-6) showed potent antioxidative scavenging activity against dpph radicals, with ic(50) values in the range ... | 2009 | 19464173 |
| antishigellosis and cytotoxic potency of crude extracts and isolated constituents from duranta repens. | the crude ethanol extracts (stem and fruits), their fractions and two triterpenes, β-amyrin and 12-oleanene 3β, 21β-diol, isolated as a mixture from the chloroform soluble fraction of an ethanolic extract of duranta repens stem, were evaluated for antibacterial, antifungal activities by the disc diffusion method and cytotoxicity by brine shrimp lethality bioassay. the structures of the two compounds were confirmed by ir, (1)h-nmr, (13)c-nmr and lc-ms spectral data. the chloroform soluble fractio ... | 2008 | 23997620 |
| phytochemical investigation and antioxidant activity of duranta repens. | the ethylacetate fraction of the methanol extract of duranta repens l. (verbenaceae) showed radicalscavenging activity in the 1,1-diphenyl-2-picrylhydrazyl (dpph) assay. three compounds were isolated from this fraction, i.e. the phenylethanoid glycoside acteoside, the iridoid lamiide and the saponin pseudo-ginsenoside-rt1. acteoside showed an ic50 of 3.05 +/- 0.09 microg/ml in the dpph assay, while lamiide and pseudo-ginsenoside-rt1 were not active. | 2005 | 16372377 |
| alpha-glucosidase inhibitory constituents from duranta repens. | three c-alkylated flavonoids 7-o-alpha-d-glucopyranosyl-3,5-dihydroxy-3'-(4"-acetoxyl-3"-methylbutyl)-6,4'-dimethoxyflavone (1), 7-o-alpha-d-glucopyranosyl-3,4'-dihydroxy-3'-(4"-acetoxyl-3"-methylbutyl)-5,6-dimethoxyflavone (2), 3,7,4'-trihydroxy-3'-(8"-acetoxy-7"-methyloctyl)-5,6-dimethoxyflavone (3) and a trans-clerodane type diterpenoid (-)-6beta-hydroxy-5beta,8beta,9beta,10alpha-cleroda-3,13-dien-16,15-olid-18-oic acid (4) are reported from duranta repens along with (+)-hardwickiic acid (5) ... | 2004 | 15256696 |
| iridoid glucosides from the leaves and stems of duranta erecta. | from the leaves of duranta erecta, four new iridoid glucosides, duranterectosides a, b, c and d, were isolated along with durantosides i and ii, lamiide, lamiidoside and verbascoside. duranterectoside a was also isolated from the stems together with durantosides i, ii and iii, and lamiidoside. the structures of the new compounds were elucidated based on the spectroscopic evidence. | 1995 | 7626266 |
| insecticidal properties of some isolates from duranta repens l. | | 1987 | 3572065 |
| [iridoids and ecdysones from verbenaceae. v. iridoids from duranta repens l]. | | 2016 | 4276686 |
| separation and characterization of a new alkaloid from the fruit of duranta repens. | | 1973 | 4705797 |