| an investigation of some turkish herbal medicines in salmonella typhimurium and in the comet assay in human lymphocytes. | medicinal plants play a major role in the life of turkish people and of late medicinal plant usage has increased in many countries. green plants in general contain mutagenic and carcinogenic substances, but there is little information about the biological activities of herbal medicine. in the present study, therefore, various turkish medicinal herbs were investigated for their genotoxic potential in the salmonella typhimurium microsomal activation assay and the alkaline single cell gel electroph ... | 1996 | 8875742 |
| seed production and predispersal seed predation in the biennial composite species, arctium minus (hill) bernh. and a. lappa l. | comparison was made of the seed production of two species of burdock, arctium minus (hill) bernh. and a. lappa l., which are found in a variety of recently disturbed habitats throughout waterloo county, ontario. the mean number of seeds per plant of a. minus was significantly greater, 13,400 compared with 8,200 seeds in a. lappa. the mean number of heads per plant was also greater for a. minus than for a. lappa, 338 versus 112 heads respectively. above-ground biomass allocated to reproductive he ... | 1978 | 28309875 |
| occurrence of gamma-linolenic acid in compositae: a study of youngia tenuicaulis seed oil. | seeds of youngia tenuicaulis and other species from the plant family compositae (asteraceae) were studied for their oil content and fatty acid composition. the seed oil of y. tenuicaulis growing in mongolia was found to contain 5.6% gamma-linolenic acid (18:3delta6cis,9cis,12cis) in addition to common fatty acids. the oil was analyzed using chromatographic [capillary gas-liquid chromatography (glc), thin-layer chromatography] and spectroscopic (infrared, gas chromatography-mass spectrometry) tec ... | 1999 | 10380126 |
| isolation and characterization of novel microsatellite markers for arctium minus (compositae). | | 2010 | 21622378 |
| partial molecular characterization of arctium minus aspartylendopeptidase and preparation of bioactive peptides by whey protein hydrolysis. | in this article, we report the cloning of an aspartic protease (ap) from flowers of arctium minus (hill) bernh. (asteraceae) along with the use of depigmented aqueous flower extracts, as a source of aps, for the hydrolysis of whey proteins. the isolated cdna encoded a protein product with 509 amino acids called arctiumisin, with the characteristic primary structure organization of typical plant aps. bovine whey protein hydrolysates, obtained employing the enzyme extracts of a. minus flowers, dis ... | 2015 | 25575270 |
| cytotoxicity of medicinal plants of the west-canadian gwich׳in native americans towards sensitive and multidrug-resistant cancer cells. | traditional medicine of the native americans has a long tradition of medicinal plants, which also influenced modern oncology. for instance, podophyllotoxin the active ingredient of podophyllum peltatum l. (berberidaceae) used by native americans to treat warts led to the development of etoposide and teniposide. in the present investigation, we studied 10 medicinal plants used by the gwich׳in first nation of west-canada, which have been used against diverse diseases including cancer. | 2015 | 25839116 |
| antimicrobial assays of three native british plants used in anglo-saxon medicine for wound healing formulations in 10th century england. | three important anglo-saxon medical texts from the 10th century contain herbal formulations for over 250 plant species, many of which have yet to be evaluated for their phytochemical and/or pharmacological properties. in this study, three native british plants were selected to determine antimicrobial activity relevant to treating bacterial infections and wounds. | 2012 | 23026307 |
| investigating the potential of under-utilised plants from the asteraceae family as a source of natural antimicrobial and antioxidant extracts. | antimicrobial properties of ethanol and water extracts from eight asteraceae species were investigated against three gram positive (staphylococcus aureus, mrsa and bacillus cereus) and two gram negative (escherichia coli and salmonella typhimurium) bacterial strains. ethanol extracts from centaurea scabiosa, arctium minus, taraxacum officinale, centaurea nigra and cirsium palustre demonstrated antimicrobial activity against strains of s. aureus, mrsa and b. cereus (mic=187.5-365μg/ml). ethanol e ... | 2014 | 24837924 |
| estimation of anti-inflammatory, antinociceptive and antioxidant activities of arctium minus (hill) bernh. ssp. minus. | arctium minus (hill) bernh. ssp. minus (asteraceae) leaves are used to alleviate rheumatic pain, against fever and sunstroke with externally application in turkish folk medicine. | 2009 | 19061945 |
| evidence for an oviposition-deterring pheromone in tephritis bardanae (schrank) (diptera: tephritidae). | female tephritis bardanae (schrank) exhibit a characteristic ovipositor-dragging behaviour immediately after laying eggs into a flowerbud of arctium minus (hill) bernh. to establish whether this behaviour is associated with an oviposition-deterring pheromone (odp), female t. bardanae were presented with clean, unattacked flowerbuds and fly activity was monitored using video recording equipment. the distribution of oviposition and fly behaviour were analysed. avoidance of attacked buds was reveal ... | 1989 | 28311911 |
| resource limitation of tephritid flies on lesser burdock, arctium minus (hill) bernh. (compositae). | the intensity of resource exploitation by phytophagous insects is usually considered to reflect population size. for populations of two flowerhead-attacking tephritid flies, however, the resources utilised were not related to the numbers of searching adults. tephritis bardanae schrank attacked 11-13% of the total flowerheads each year, and cerajocera tussilaginis (fab) 17-65%, despite much wider and uncorrelated variation in adult numbers. analysis of field data showed that the proportion of flo ... | 1991 | 28313330 |
| the spatial population dynamics of insects exploiting a patchy food resource : i. population extinctions and regulation. | the population dynamics of insects in a spatially fragmented environment were studied by examining three main aspects of their ecology, namely, rates of local population extinction, density dependence in population change, and movements between populations. ten phytophagous insects and seven parasitoids inhabiting the flowerheads of two herbaceous plants, centaurea nigra and arctium minus, were studied by monitoring their populations on more than 50 patches of each plant, scattered over 5 km(2) ... | 1995 | 28307591 |
| the spatial population dynamics of insects exploiting a patchy food resource : ii. movements between patches. | the population dynamics of ten species of phytophagous insects and seven parasitoids inhabiting the flowerheads of two herbaceous plants, centaurea nigra and arctium minus, were studied, and three main aspects of their ecology were examined, namely, rates of population extinction, density dependence in population changes from one generation to the next, and movements between populations. the study was based on monitoring the insect populations on more than 50 patches of each plant, scattered ove ... | 1995 | 28307592 |
| flavonoids of arctium minus (compositae). | | 1971 | 5144881 |
| the antibacterial principle of arctium minus; the unsaturated lactone structure. | | 1947 | 18919706 |
| an antibacterial substance from arctium minus and onopordon tauricum. | | 1946 | 20276863 |
| microdesign using frictional, hooked, attachment mechanisms: a biomimetic study of natural attachment mechanisms-part 3. | part 1 completed the studies of five long-shafted, cellulose, frictional, hooked probabilistic fasteners. part 2 identified three substructures prevalent in the natural world for probabilistic fasteners and detailed the collection of voxel dataclouds while measuring from the natural fluorescence of their composing chitin and cellulose under the laser illumination of a confocal microscope. in this part 3, consideration is given to the development of a behaviour-optimised bioinspired probabilistic ... | 2017 | 27218016 |