| antimalarial activity of sida acuta burm. f. (malvaceae) and pterocarpus erinaceus poir. (fabaceae). | among strategies to combat malaria, the search for new antimalarial drugs appears to be a priority. sheering for new antimalarial activities, four plants of the traditional medicine of burkina faso: combretum micranthum, khaya senegalensis, pterocarpus erinaceus and sida acuta, were tested in vitro on fresh clinical isolates of plasmodium falciparum. the screening showed that sida acuta has a significant activity (ic50 < 5 microg/ml), and pterocarpus erinaceus has a moderate activity (5 microg/m ... | 2003 | 14611894 |
| cultivation of pleurotus ostreatus on weed plants. | oyster mushroom, pleurotus ostreatus (jacq.:fr.) kumm. itcc 3308 (collected from indian type culture collection, iari, new delhi, india, 110012) was grown on dry weed plants, leonotis sp, sida acuta, parthenium argentatum, ageratum conyzoides, cassia sophera, tephrosia purpurea and lantana camara. leonotis sp. was the best substrate in fruit body production of p. ostreatus when it was mixed with rice straw (1:1, wet wt/wet wt) for mushroom cultivation. the fruiting time for p. ostreatus was also ... | 2007 | 17161599 |
| dna barcoding for species identification from dried and powdered plant parts: a case study with authentication of the raw drug market samples of sida cordifolia. | the majority of the plant materials used in herbal medicine is procured from the markets in the form of dried or powdered plant parts. it is essential to use authentic plant materials to derive the benefits of herbal medicine. however, establishing the identity of these plant materials by conventional taxonomy is extremely difficult. here we report a case study in which the species identification of the market samples of sida cordifolia was done by dna barcoding. as a prelude to species identifi ... | 2015 | 25596347 |
| phytochemical constituents of some indian medicinal plants. | alkaloids, tannins, saponins, steroid, terpenoid, flavonoids, phlobatannin and cardie glycoside distribution in seven medicinal plants belonging to different families were assessed and compared. the medicinal plants investigated were aegle marmelos, cynodon dactylon, eclipta prostrata, moringa pterygosperma, pongamia pinnata, sida acuta and tridax procumbens. the significance of the plants in traditional medicine and the importance of the distribution of these chemical constituents were discusse ... | 2008 | 22557280 |
| phosphoric acid pretreatment of achyranthes aspera and sida acuta weed biomass to improve enzymatic hydrolysis. | achyranthes aspera and sida acuta, two types of weed biomass are abundant and waste in thailand. we focus on them as novel feedstock for bio-ethanol production because they contain high-cellulose content (45.9% and 46.9%, respectively) and unutilized material. phosphoric acid (70%, 75%, and 80%) was employed for the pretreatment to improve by enzymatic hydrolysis. the pretreatment process removed most of the xylan and a part of the lignin from the weeds, while most of the glucan remained. the ce ... | 2016 | 26744804 |
| densities of eggs and nymphs and percent parasitism of bemisia tabaci (hemiptera: aleyrodidae) on common weeds in west central florida. | the density of eggs and nymphs of bemisia tabaci (gennadius) biotype b and the percent parasitism of the nymphs were measured from specimens collected on nine species of weeds, commonly found in west central florida during the spring and summer of 2012 and 2013. the weeds were direct seeded in 2012 and grown as transplants in 2013 for randomized complete block design experiments. the leaf area of each whole-plant sample was measured and the b. tabaci density parameters were converted to numbers ... | 2014 | 26462945 |
| green synthesis of silver nanoparticles using sida acuta (malvaceae) leaf extract against culex quinquefasciatus, anopheles stephensi, and aedes aegypti (diptera: culicidae). | mosquitoes act as a vector for most of the life-threatening diseases like malaria, yellow fever, dengue fever, chikungunya fever, filariasis, encephalitis, west nile virus infection, etc. under the integrated mosquito management, emphasis was given on the application of alternative strategies in mosquito control. the continuous application of synthetic insecticides causes development of resistance in vector species, biological magnification of toxic substances through the food chain, and adverse ... | 2013 | 24005479 |
| cynodon dactylon and sida acuta extracts impact on the function of the cardiovascular system in zebrafish embryos. | the aim of the present study was to screen cardioactive herbs from western ghats of india. the heart beat rate (hbr) and blood flow during systole and diastole were tested in zebrafish embryos. we found that cynodon dactylon (c. dactylon) induced increases in the hbr in zebrafish embryos with a hbr of (3.968±0.344) beats/s, which was significantly higher than that caused by betamethosone [(3.770±0.344) beats/s]. the ec50 value of c. dactylon was 3.738 µg/ml. the methanolic extract of sida acuta ... | 2012 | 23554736 |
| cryptolepine, isolated from sida acuta, sensitizes human gastric adenocarcinoma cells to trail-induced apoptosis. | bioassay guided separation of sida acuta whole plants led to the isolation of an alkaloid, cryptolepine (1), along with two kaempferol glycosides (2-3). compound 1 showed strong activity in overcoming trail-resistance in human gastric adenocarcinoma (ags) cells at 1.25, 2.5 and 5 μm. combined treatment of 1 and trail sensitized ags cells to trail-induced apoptosis at the aforementioned concentrations. | 2011 | 20623717 |
| hepatoprotective studies on sida acuta burm. f. | sida acuta burm. f. (malvaceae) is used in indian traditional medicine to treat liver disorders and is useful in treating nervous and urinary diseases and also disorders of the blood and bile. | 2009 | 19422907 |
| distribution and diversity of geminiviruses in trinidad and tobago. | abstract seven crop and eight weed species from 12 agricultural locations in trinidad and tobago were assayed for the presence of whitefly-transmitted geminiviruses (wtgs) by using dot blot hybridization and polymerase chain reaction (pcr) amplification of the n-terminal coat protein sequence with degenerate primers. the amplified fragments were cloned and analyzed by restriction enzyme digestion to determine fragment length polymorphism among the cloned fragments. representative clones were the ... | 1998 | 18944827 |
| molecular characterization and phylogenetic relationships of two new bipartite begomovirus infecting malvaceous plants in yucatan, mexico. | sida acuta and corchorus siliquosus plants showing yellow mosaic and yellow vein symptoms, respectively, were collected in the yucatan peninsula, mexico. total dna was isolated from both plant species and used for the amplification, cloning, and sequencing of the begomovirus genome. nucleotide comparison of the complete dna-a component isolated from s. acuta and c. siliquosus confirmed the presence of two distinct begomoviruses species. based on phenotypic symptoms observed in infected field pla ... | 2007 | 17638064 |
| analgesic activity of some indian medicinal plants. | in the present study of some of the indian medicinal plants sida acuta whole plant (malvaeae), stylosanthes fruticosa (whole plant) (papilionaceae), toona ciliata (heart wood) (meliaceao), bougainvilla spectabilis (leaves) (nyctaginaceae), ficus glomerata (bark, leaves) (moraceae) and polyalthia longifolia (leaves) (annonaceae). the different plants were used in folklore medicine in the treatment of toothache and strengthening of gums, anthelmintic, kidney diseases, analgesic, anti-inflammatory, ... | 2006 | 16647234 |
| studies on medicinal plants of ivory coast: investigation of sida acuta for in vitro antiplasmodial activities and identification of an active constituent. | sida acuta burm. (malvaceae) originating from ivory coast was selected after an ethnobotanical survey: traditional healers of malaria commonly used this plant for the treatment. extracts were tested on two strains of plasmodium falciparum: fcm29-cameroon (chloroquine-resistant strain) and a nigerian chloroquine-sensitive strain. extracts were obtained by preparing decoction in water of the powdered plant, the technique used by most of the traditional healers. an ethanol extract was then made and ... | 2004 | 15185848 |
| compounds obtained from sida acuta with the potential to induce quinone reductase and to inhibit 7,12-dimethylbenz[a]anthracene-induced preneoplastic lesions in a mouse mammary organ culture model. | activity-guided fractionation of the etoac-soluble extract of the whole plants of sida acuta using a bioassay based on the induction of quinone reductase (qr) in cultured hepa 1c1c7 mouse hepatoma cells, led to the isolation of ten active compounds of previously known structure, quindolinone (1), cryptolepinone (2), 11-methoxyquindoline (3), n-trans-feruloyltyramine (4), vomifoliol (5), loliolide (6), 4-ketopinoresinol (7), scopoletin (8), evofolin-a (9), and evofolin-b (10), along with five ina ... | 2003 | 12967190 |
| snakebites and ethnobotany in the northwest region of colombia. part iii: neutralization of the haemorrhagic effect of bothrops atrox venom. | thirty-one of 75 extracts of plants used by traditional healers for snakebites, had moderate or high neutralizing ability against the haemorrhagic effect of bothrops atrox venom from antioquia and chocó, north-western colombia. after preincubation of several doses of every extract (7.8-4000 microg/mouse) with six minimum haemorrhagic doses (10 microg) of venom, 12 of them demonstrated 100% neutralizing capacity when the mixture was i.d. injected into mice (18-20 g). these were the stem barks of ... | 2000 | 11025161 |
| snakebites and ethnobotany in the northwest region of colombia: part ii: neutralization of lethal and enzymatic effects of bothrops atrox venom. | twelve of 74 ethanolic extracts of plants used by traditional healers for snakebites in the northwest region of colombia, were active against lethal effect of bothrops atrox venom when they were i.p. injected into mice (18-20 g). after preincubation of sublethal doses of every extract (0.5-4.0 mg/mouse) with 1.5 i.p. lethal dose 50% (ld50) (99.3 microg) of venom, seven of them demonstrated 100% neutralizing capacity within 48 h. these were the stem barks of brownea rosademonte (caesalpiniaceae) ... | 2000 | 10940590 |
| phytoextraction capacity of the plants growing on tannery sludge dumping sites. | the study was undertaken to assess the phytoremediation potential of four plants (sida acuta, ricinus communis, calotropis procera, cassia fistula) growing at a tannery sludge disposal site. results showed that maximum amount of k, fe and ni was associated with residual fraction, whereas, zn, mn, cr, pb, cd and co was found in fe-mn oxide fraction. cu and na were mostly associated with organic matter and carbonate fraction, respectively. the results demonstrated that the levels of accumulation o ... | 2007 | 16973356 |