acute oxalate poisoning attributable to ingestion of curly dock (rumex crispus) in sheep. | ten of 100 mature ewes were afflicted with acute oxalate toxicosis within 40 hours after being temporarily penned in a lot that contained considerable growing rumex crispus (curly dock). clinical signs of toxicosis included excess salivation, tremors, ataxia, and recumbency. affected ewes were markedly hypocalcemic and azotemic. oxalate crystals were not observed in urine. gross postmortem lesions were minimal and nondiagnostic in 2 ewes that died peracutely, but perirenal edema and renal tubula ... | 1990 | 2365622 |
lectins in extracts of certain polygonaceae seed precipitate animal and human serums. | seeds of four species of polygonaceae were tested for lectins that precipitate human and animal serums. rumex crispus, polygonum convolvulus, and polygonum pennsylvanicum developed specific precipitate bands on double diffusion on agar gel plates. these bands were enhanced and increased in number when extracts were tested against serums from patients with certain diseases. when tested against lyophilized serum, no precipitate bands developed. the active substance cannot be dialyzed through cellu ... | 1968 | 4968255 |
aeroallergens and viable microbes in sandstorm dust. potential triggers of allergic and nonallergic respiratory ailments. | aeroallergens and antigens in sandstorm dust, extracts of which were skin prick test (spt) positive in allergic patients, were detected by rocket immunoelectrophoresis and elisa. fungi and bacteria isolated by agar settle plates and soil dilution and soil washing methods were enumerated and identified. cat dander, acacia, alternaria, aspergillus, chenopodium, cladosporium, bermuda grass, pithecellobium, prosopis, rumex, cultivated rye, and washingtonia palm allergens were detected by both method ... | 1998 | 9542605 |
aero-allergens in canine atopic dermatitis in southeastern australia based on 1000 intradermal skin tests. | to determine the most relevant aero-allergens involved in canine atopic dermatitis in southeastern australia and provide information about these aero-allergens to the general practitioner. | 2000 | 10920777 |
determination of antioxidant and antimicrobial activities of rumex crispus l. extracts. | the antioxidant activities, reducing powers, 2,2-diphenyl-1-picrylhydrazyl (dpph) scavenging activities, amount of total phenolic compounds, and antimicrobial activities of ether, ethanol, and hot water extracts of the leaves and seeds of rumex crispus l. were studied. the antioxidant activities of extracts increase with increasing amount of extracts (50-150 microg). however, the water extracts of both the leaves and seeds have shown the highest antioxidant activities. thus, addition of 75 micro ... | 2001 | 11513714 |
1,5-dihydroxyanthraquinones and an anthrone from roots of rumex crispus. | from the roots of rumex crispus, two known anthraquinones and a new one together with a new anthrone were isolated and the structures of compounds 1-4 were elucidated by spectroscopic means. the singlet oxygen generation capacity was tested with 1,3-diphenylisobenzofuran (dpbf) for compounds 1-4. | 2002 | 11942685 |
screening extracts of achyranthes japonica and rumex crispus for activity against various plant pathogenic fungi and control of powdery mildew. | methanol extracts of fresh materials of 183 plants were screened for in vivo antifungal activity against magnaporthe grisea, corticium sasaki, botrytis cinerea, phytophthora infestans, puccinia recondita and erysiphe graminis f sp hordei. among them, 33 plant extracts showed disease-control efficacy of more than 90% against at least one of six plant diseases. the methanol extracts of achyranthes japonica (whole plant) and rumex crispus (roots) at concentrations greater than 11 g fresh weight of ... | 2004 | 15307672 |
performance of potential non-crop or wild species under oecd 208 testing guideline study conditions for terrestrial non-target plants. | the inclusion of 52 potential non-crop or wild species in new oecd guidelines for terrestrial non-target plant (tntp) testing led to a ring test conducted by four laboratories experienced in regulatory testing. species selected had shown potential to meet validity criteria of emergence for tntp studies in a previous evaluation of the 52 species. oecd 208 guideline conditions were applied, with and without seed pretreatments recommended to enhance germination. these species were abutilon theophra ... | 2007 | 17171722 |
ethnoveterinary medicines used to treat endoparasites and stomach problems in pigs and pets in british columbia, canada. | this paper documents the medicinal plants used to treat endoparasites and stomach problems in dogs, cats and pigs in british columbia, canada. ethnoveterinary data was collected over a 6-month period in 2003. the majority of the information on pets came from 2 naturopaths, 10 herbalists, 5 dog trainers, breeders and pet shop owners, 9 holistic veterinarians and 6 of 27 organic farmers. two pig farmers joined the study in the final stages. the following plants were used as anthelmintics: artemisi ... | 2007 | 17628343 |
antifungal, phytotoxic and insecticidal properties of essential oil isolated from turkish origanum acutidens and its three components, carvacrol, thymol and p-cymene. | the chemical composition of essential oil isolated by hydrodistillation from the aerial parts of origanum acutidens was analyzed by gc-ms. carvacrol (87.0%), p-cymene (2.0%), linalool acetate (1.7%), borneol (1.6%) and beta-caryophyllene (1.3%) were found to be as main constituents. antifungal, phytotoxic and insecticidal activities of the oil and its aromatic monoterpene constituents, carvacrol, p-cymene and thymol were also determined. the antifungal assays showed that o. acutidens oil, carvac ... | 2008 | 18513954 |
weed hosts of meloidogyne arenaria and m. incognita common in tobacco fields in south carolina. | thirty-two weed species common in south carolina and one cultivar of tobacco were evaluated as hosts of meloidogyne arenaria race 2 and m. incognita race 3 in the greenhouse. egg mass production and galling differed (p < 0.05) among weed species. chenopodium album, euphorbia maculata, and vicia villosa were good hosts of m. arenaria. amaranthus palmeri, rumex crispus, amaranthus hybridus, ambrosia artemisiifolia, lpomoea hederacea var. integriuscula, setaria lutescens, sida spinosa, portulaca ol ... | 1988 | 19290313 |
antioxidant activity of yellow dock (rumex crispus l., polygonaceae) fruit extract. | the methanol extract of ripe rumex crispus l. fruits was evaluated for its antioxidant potential by assays for ferric-reducing antioxidant power (frap), dpph-free radical scavenging activity (dpph) and the influence on lipid peroxidation in liposomes (lp). considerable activity was observed in all test systems (frap: 9.9 mmol fe(2+) /g; dpph ic(50) : 3.7 μg/ml; lp ic(50) : 4.9 μg/ml), comparable to that of bht (frap: 8.0 μg/ml; dpph ic(50) : 19.4 μg/ml; lp ic(50) : 3.5 μg/ml), but lower than the ... | 2011 | 20623623 |
determination of singlet oxygen quenching and protection of biological systems by various extracts from seed of rumex crispus l. | the 2,2-diphenyl-1-picrylhydrazyl (dpph) radical scavenging effect and total phenolic contents were evaluated for the screening of singlet oxygen ((1)o(2)) quenching efficacy of various seed extracts from rumex crispus l. the butanol and ethyl-acetate extracts displayed remarkable effect of dpph as compared to positive control ascorbic acid. the concentrations (qc(50)) of butanol and ethyl-acetate extracts required to exert 50% reducing effect on (1)o(2) were found to be 116 and 82 μg ml(-1), re ... | 2010 | 21185197 |
determination of fungal pathogens of common weed species in the vicinity of tokat, turkey. | this study was carried out to determine the fungal pathogens on chenopodium album l., cirsium arvense (l.) scop., convolvulus arvensis l., cynodon dactylon (l.) pers., delphinium consolida l., portulaca oleracea l., rumex crispus l., solanum nigrum l., sorghum halepense (l.) pers. and xanthium strumarium l. which were common weed species of agricultural areas. surveys were conducted in may-june and august-september in 2004-2005 growing seasons. during the surveys density and frequency of the abo ... | 2010 | 21542473 |
environmental friendly alkaline sulfite anthra quinone-methonal (asam) pulping with rumex crispus plant extract of woody materials. | asam with rumex crispus extract organosolv pulping was developed by using 1,5-dihydroxy-3-methoxy-7-methyl-anthraquinone from rumex crispus root, instead of anthraquinone. asam was also produced as a control pulping. both pulps were made by handsheets from fast growing p. deltoides clone (samsun p. clone), robinia pseudoacacia l. and pinus pinaster grown in turkey for wood fibrous raw materials. the mechanical consisting tensile, bursting and tear values and optical values of asam handsheets yel ... | 2012 | 23734463 |
variations in host preference among and within populations of heterodera trifolii and related species. | seven populations of heterodera trifolii from arkansas, kentucky, pennsylvania, and australia plus 3 or 4 single-cyst isolates (sci) from each population were tested for reproduction on seven species of plants to compare the host preferences among and within populations. common lespedeza, kummerowia striata cv. kobe, was a good host for all populations and isolates. therefore, a plant was considered to be a host if the number of females produced on it was 10% or more of the number on kobe. all s ... | 1999 | 19270913 |
a simple electrochemical method for the rapid estimation of antioxidant potentials of some selected medicinal plants. | clinical and epidemiological studies have shown that a diet rich in fruits and vegetables is associated with a decreased risk of cardiovascular diseases, cancers and other related disorders. these beneficial health effects have been attributed in part to the presence of antioxidants in dietary plants. therefore screening for antioxidant properties of plant extracts has been one of the interests of scientists in this field. different screening methods have been reported for the evaluation of anti ... | 2012 | 25317192 |
antifungal and herbicidal effects of fruit essential oils of four myrtus communis genotypes. | the chemical composition of the essential oils isolated by hydrodistillation from the fruits of four selected myrtus communis l. genotypes from turkey was characterized by gc-fid and gc/ms analyses. 1,8-cineole (29.20-31.40%), linalool (15.67-19.13%), α-terpineol (8.40-18.43%), α-pinene (6.04-20.71%), and geranyl acetate (3.98-7.54%) were found to be the major constituents of the fruit essential oils of all m. communis genotypes investigated. the oils were characterized by high amounts of oxygen ... | 2016 | 26765354 |
inhibitory effects of monoterpenes on seed germination and seedling growth. | monoterpenes, the chemical constituents of essential oils found in plants, are known biologically active compounds. the present study was conducted to investigate the inhibitory effects of 30 monoterpenes including monoterpene hydrocarbons and oxygenated monoterpenes on seed germination and seedling growth of amaranthus retroflexus, chenopodium album and rumex crispus under laboratory conditions. the monoterpenes were applied at contents of 10 and 20 microl for liquid compounds and 10 and 20 mic ... | 2015 | 17542486 |
further studies on oxalic acid biosynthesis in oxalate-accumulating plants. | l-ascorbic acid functions as a precursor of oxalic acid in several oxalate-accumulating plants. the present study extends this observation to include rumex crispus l. (curly dock), amaranthus retroflexus l. (red root pigweed), chenopodium album l. (lamb's-quarters), beta vulgaris l. (sugar beet), halogeton glomeratus m. bieb. (halogeton), and rheum rhabarbarum l. (rhubarb). several species with low oxalate content are also examined.when l-[1-(14)c]ascorbic acid is supplied to young seedlings of ... | 1978 | 16660342 |
[correlation between the magnitude of skin prick test reactivity and pollen-specific serum ige levels in patients with respiratory allergy]. | for the etiological diagnosis of allergic respiratory diseases skin tests or specific serum ige determination are used. | 2015 | 24912996 |
investigation of the roles of fascioliasis and food allergy in intrahepatic eosinophilic proliferative pylephlebitis in japanese black cattle. | intrahepatic eosinophilic proliferative pylephlebitis (epp) in japanese black (jb) cattle generally has been considered to be an atypical form of fascioliasis. however, there are many cases of epp in which no fasciola spp. have been detected in the livers of affected cattle. the aims of this study were to ascertain the relationship between epp and hepatic fascioliasis and to investigate the role of food allergy in the disease. histologically, epp lesions were characterised by severe endothelial ... | 2013 | 23131780 |
variation in weed seed fate fed to different holstein cattle groups. | weed seeds may maintain their viability when passing through the digestive tract of cattle and can be therefore dispersed by animal movement or the application of manure. whether different cattle types of the same species can cause differential weed seed fate is largely unknown to us particularly under non-grazed systems similar to holstein-friesian dairy farming. we investigated the effect on the seed survival of four weed species in the digestive tracts of four groups of holstein cattle: lacta ... | 2016 | 27104783 |
possible similarities between the folk medicine historically used by first nations and american indians in north america and the ethnoveterinary knowledge currently used in british columbia, canada. | this paper compares sixty-four plants used as ethnoveterinary remedies in british columbia with first nations folk medicine. | 2016 | 27394389 |
seed germination in response to chemicals: effect of nitrogen and ph in the media. | seed germination generally presents a peak in the next growing season after a fire. among other factors associated with fire are the increase of soil nitrogen and changes in the ph of the soil. in this study, we addressed the question, whether or not the germination response of eight species is linked with the increase in ph and nitrogenous compounds in the germination media? we assessed the separate and combined effects of nitrogenous compounds and ph on the percentage and rate of germination o ... | 2006 | 16850869 |