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proteins with abortifacient, ribosome inactivating, immunomodulatory, antitumor and anti-aids activities from cucurbitaceae plants.1. the biochemical characteristics and biological activities of eight cucurbitaceae plant proteins designated trichosanthin (isolated from tubers of trichosanthes kirilowii), beta-trichosanthin (isolated from tubers of trichosanthes cucumeroides), alpha- and beta-momorcharins (isolated from seeds of momordica charantia), momorchochin (isolated from tubers of momordica cochinchinensis), luffaculin (isolated from seeds of luffa acutangula) and luffin-a and luffin-b (isolated from seeds of luffa cy ...19921397965
two proteins with ribosome-inactivating, cytotoxic and abortifacient activities from seeds of luffa cylindrica roem (cucurbitaceae).two immunologically distinct glycoproteins, with a molecular weight of 28,000 and 28,500 respectively, were isolated from seeds of luffa cylindrica using a procedure that involved acetone precipitation, gel filtration on sephadex g-75 and ion exchange chromatography on cm-sepharose cl-6b. the proteins differed in the content of aspartic acid, threonine, proline and alanine but were otherwise similar in amino acid composition. the proteins were capable of inducing mid-term abortion in mice, inhib ...19921503559
luffangulin, a novel ribosome inactivating peptide from ridge gourd (luffa acutangula) seeds.a ribosome inactivating peptide, with an n-terminal sequence exhibiting pronounced similarity to that of the 6.5 kda-arginine/glutamate-rich polypeptide from luffa cylindrica seeds, was isolated from seeds of a closely related species, the ridge gourd luffa acutangula. the 5.6 kda-peptide designated luffangulin inhibited cell-free translation with an ic50 of 3.5 nm but lacked inhibitory activity toward hiv-1 reverse transcriptase. it was similar to luffaculin, the 28 kda ribosome inactivating pr ...200211853228
antioxidant activity of five vegetables traditionally consumed by south-asian migrants in bradford, yorkshire, uk.five vegetables traditionally consumed among south-asian migrants in bradford (yorkshire, uk) were tested for their free radical scavenging activity (frsa) in the dpph (1,1-diphenyl-2-picrylhydrazil radical) screening assay (using extracts prepared both by cold maceration and also by boiling the plant in the solvent under reflux) and for their in vitro non-enzymatic inhibition of bovine brain lipid peroxidation. in both antioxidant assays a strong activity was shown by extracts derived from okra ...200516261524
efficacy of application of vegetable seed oils as grain protectant against infestation by callosobruchus chinensis and its effect on milling fractions and apparent degree of dehusking of legume-pulses.the solvent extracted vegetable seed oils of cucurbitaceae family viz. bitter gourd (momordica charentia), small bitter gourd (momordica dioica), bottle gourd (lagenaria siscraria) and ridge gourd (luffa acutangula) were evaluated as grain protectant against callosobruchus chinensis on the stored legume-pulse grains. all the vegetable seed oils were found effective as legume-pulse grain protectant, which provided, negligible weight loss at the oil-application rate of 6-8 ml/kg in legume-pulse gr ...200617693691
bilateral thalamic necrosis following ingestion of ridge gourd infested with coelomycete fungi (diplodia).bilateral thalamic lesions detected on magnetic resonance imaging have a wide differential diagnosis. this report describes a previously healthy young man who developed bilateral thalamic necrosis with seizures, vomiting, hepatitis, neutrophilic leukocytosis and metabolic acidosis following consumption of raw dried fruits of the ridge gourd plant (luffa acutangula) prescribed by a traditional medicine practitioner. these fruits were subsequently shown to be infested with spores and conidiomata o ...201020561634
hepatoprotective activity of luffa acutangula against ccl4 and rifampicin induced liver toxicity in rats: a biochemical and histopathological evaluation.hepatoprotective activity of hydroalcoholic extract of luffa acutangula (haela) against carbon tetrachloride (ccl4) and rifampicin-induced hepatotoxicity in rats was evaluated and probable mechanism(s) of action has been suggested. administration of standard drug- silymarin and haela showed significant hepatoprotection against ccl4 and rifampicin induced hepatotoxicity in rats. hepatoprotective activity of haela was due to the decreased levels of serum marker enzymes viz., (ast, alt, alp and ldh ...201021341541
first report of cucumber green mottle mosaic virus association with the leaf green mosaic disease of a vegetable crop, luffa acutangula l. 201425283869
chlorotic curly stunt: a severe begomovirus disease of bottle gourd in northern india.bottle gourd (lagenaria siceraria) an important vegetable crop in india was observed to be affected by a chlorotic curly stunt disease (ccsd) during 2003-2006 in the vegetable growing areas of delhi and adjoining state of haryana. the affected plants are severely stunted and bear very small chlorotic and mildly curled leaves. incidence of the disease varied from 4.7 to 36%. the disease could be easily transmitted by whitefly, bemisia tabaci but not by sap. the causal virus was found to be a bego ...201023637479
determination of cadmium, lead and zinc in vegetables in jaipur (india).an atomic absorption spectroscopic method was used for the determination of lead, cadmium and zinc in vegetables grown in and around jaipur food stuffs irrigated with industrial waste water. vegetable samples were collected after maturity, and analyzed, such as spinach (spinacia oleracea), ladyfinger (abelmoschus esulentus), pepper mint (menthe pipereta), brinjal (solanum melongena), coriander (coriandrum sativum), cauliflower (brassica oleracea), onion (allium cepa), radish (raphanus sativus), ...201426445755
antioxidant and α-glucosidase inhibitory activities of cucurbit fruit vegetables and identification of active and major constituents from phenolic-rich extracts of lagenaria siceraria and sechium edule.antioxidant and α-glucosidase activities and total phenolic contents (tpc) in sequential extracts of dried pulps from seven cucurbit fruit vegetables were determined for the first time. the highest tpc and metal chelating activity were obtained from the chloroform extracts of luffa acutangula (28.04 ± 0.37 mg gae/g extract) and benincasa hispida (ec50 = 0.44 ± 0.03 mg/ml), respectively. the ethyl acetate extract of sechium edule showed the highest 1,1-diphenyl-2-picrylhydrazyl (dpph) free radica ...201324059845
taxonomic significance of trichomes micromorphology in cucurbits.studies on trichomes micromorphology using scanning electron microscope (sem) were undertaken in 23 species with one variety under 13 genera of the family cucurbitaceae (viz., benincasa hispida (thunb.) cogn., citrullus lanatus (thunb.) matsum. & nakai, cucumis melo var. agrestis naudin, cucumis sativus l., diplocyclos palmatus (l.) c. jeffrey, edgaria dargeelingensis c.b. clarke, gynostemma burmanicum king ex chakr., gynostemma pentaphyllum (thunb.) makino, gynostemma pubescens (gagnep.) c.y. w ...201123961108
lead and cadmium contamination and exposure risk assessment via consumption of vegetables grown in agricultural soils of five-selected regions of pakistan.rapid urbanization and industrialization result in serious contamination of soil with toxic metals such as lead (pb) and cadmium (cd), which can lead to deleterious health impacts in the exposed population. this study aimed to investigate pb and cd contamination in agricultural soils and vegetables in five different agricultural sites in pakistan. the metal transfer from soil-to-plant, average daily intake of metals, and health risk index (hri) were also characterized. the pb concentrations for ...201727939659
[relationships of aulacophora beetles feeding behavior with cucurbitacin types in host crops].aulacophora fermoralis chinensis and aulacophora cattigarensis are the two related aulacophora beetles, but their host selectivity and feeding behavior are significantly different. a. fernzoralis chinensis usually feeds upon cucumis sativus and cucurbita moschata, but never upon luffa acutangula, momordica charantia and citrullas lanatus. its feeding behavior on hosts is to snip a circular trench on their leaves, and then, to feed the leaf tissues isolated by the trench. on the contrary, a. catt ...200516252877
larvicidal efficacy of some cucurbitacious plant leaf extracts against culex quinquefasciatus (say).larvicidal efficacies of extracts of five species of cucurbitacious plants, momordica charantia, trichosanthes anguina, luffa acutangula, benincasa cerifera and citrullus vulgaris were tested against the late third larval age group of culex quinquefasciatus. the larval mortality was observed after 24 h exposure. the lc50 values of m. charantia, t. anguina, l. acutangula, b. cerifera and c. vulgaris were 465.85, 567.81, 839.81, 1189.30 and 1636.04 ppm respectively.200415207304
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