Example sentences for: quercetin

How can you use “quercetin” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • utilis) that produce a dose-related increase in the clotting time of blood induced by carpet viper venom ( Echis carinatus ) would be useful against bites from Bothrops species that cause haemorrhage at the point of injection due to the inhibition of the clotting mechanism [ 40 ] . Antivenom compounds so far isolated from plants include protocatechuic acid, a catechin-gallo-catechin tannin, caffeic acid derivatives (chlorogenic acid, cynarin), coumarins (bergapten), flavonoids (rutin, isoscutellarein, kaempferol, quercetin, hesperidin), ar-turmerone, alkaloids (aristolochic acid), triterpenoids, triterpenes, coumestans (wedelolactone), sterols (sitosterol, stigmasterol, beta-amyrin), triterpenoid glycosides, alkaloids (allantoin) and lignoflavonoids [ 43 40 44 42 ] . Many relevant compounds are widely distributed nitrogen-free, low molecular weight compounds (except aristolochic acid, an untypical non-basic, nitro-derivative) [ 38 ] . The structural similarities of certain plant chemicals found in plants used for snakebites are an isoflavone skeleton, acidic nature and dioxygenated functionality [ 44 ] .

  • Scorpion venom when injected exerts a strong inflammatory response [ 11 ] . Many plant species used against stings contain compounds with antiinflammatory properties, flavonoids (rutin, hesperidin, quercetin), coumarins (bergapten), coumestans (wedelolactone), triterpenes, sterols and saponins [ 38 11 ] . The mechanism of action of the flavonoids is based on the inhibition of enzymatic steps in the arachidonic acid cascade [ 38 ] . Plant compounds that are immunostimulants at very low doses are some alkaloids, quinones, isobutylamides, phenolcarboxylic acid esters and terpenoids [ 39 ] . Other plant compounds with immunostimulatory effects are sesquiterpene lactones [ 40 ] . Many polysaccharides and glycoproteins enhance the unspecific immune system by activating the phagocytotic activity of granulocytes and macrophages, or by inducing cytokine production or influencing complement factors [ 39 ] .

  • Phyllanthus urinaria plant was used by Caribs with other plants in a bath against bad luck (called 'piai') [ 66 ] . Pharmacological activities of various compounds in some species of Phyllanthus include analgesic, antiinflammatory, antilipoxigenase, antiallergic, nitrosamina blocker, aldose reductase inhibitor, antiviral, mitochondrial ATPase inhibitor, phosphodiesterase inhibitor and cyclooxigenase inhibitor [ 111 ] . Other activities are hepatoprotective, phosphorilase and tirosine kinase inhibitor, phospholipase A 2 inhibitor and increased the survival of hepatocellular carcinoma harbouring animals [ 54 111 113 112 ] . The compound with hepatoprotective activity is triacontanol [ 114 ] . Several compounds found in Phyllanthus species, like flavonoids (quercetin, rutin), tannins (geraniin, furosin), benzenoids (ethyl gallate, methyl gallate) and phytosterols showed antinociceptive effects in mice or multiple mechanisms of action [ 111 115 ] . The flavonoids also have anti-inflammatory properties [ 38 11 ] . The hydroalcoholic extracts of four Phyllanthus species were 2 - 6 fold more active in causing antinociception than aspirin depending on the route of administration and the pain model used [ 115 ] . Phyllanthus amarus has antioxidant properties, reverses chromosomal alterations induced by genotoxic agents and has anticancer activity [ 112 ] . Active compounds may be flavonoids (quercetin, astragalin), ellagitannins (amarinic acid), hydrolysable tannins (phyllanthisiin D) [ 112 ] . The multiple plant compounds found in Phyllanthus species might help clear up any physiological condition that results in dogs having difficulty following game animals.


How many words do you know? Try our free vocabulary size test!


Search

Search for example sentences

Loading Loading...
Quantcast