• Earlier phytochemical studies on P. urinaria indicated that its major constituents were tannins, flavonoids, lignans, coumarins, and polyphenols [ 8 - 12 ]. (ijpsonline.com)
  • The major antimicrobial constituents (total phenolics, flavonoids and tannins) were determined quantitatively in the extracts using the spectrophotometer technique. (academicjournals.org)
  • These effects were found to be maximum of tannins (7%-14% in dried material), between 1.5-3.5 hours after starting to chew vitamins, minerals and flavonoids [4,8]. (who.int)
  • Different polyphenols, flavonoids and phenylcarboxylic acids were identified as major constituents. (nih.gov)
  • include not only vitamins C and E and beta carotene, but also some elements such as selenium and copper (which form antioxidant metallo-enzymes), and other compounds found in plant foods such as flavonoids and polyphenols. (diagnose-me.com)
  • We also showed that aglycones of several flavonoids inhibited P-gp function in a concentration-dependent manner, whereas their glycosides were inactive (Y. Mitsunaga, H.T., H.M., M. Naito, T. Tsuruo, H.O., and Y.S., submitted). (aspetjournals.org)
  • Other constituents are polyphenolic monomers, cinnamic acids and their glycosides ( 17 ). (spandidos-publications.com)
  • Flavonoids are a large family of polyphenolic plant compounds. (oregonstate.edu)
  • The major medicinal compounds in bilberries are the flavonoids , especially the anthocyanosides. (diagnose-me.com)
  • The biological activity of propolis is associated mainly with phenolic compounds such as flavonoids and derivatives of hydroxycinnamic acids. (scirp.org)
  • This paper presents an overview of the investigations on the feasibility and application of flavonoids as P-gp modulators for improved efficacy of anti-cancer drugs like taxanes, anthracyclines, epipodophyllotoxins, camptothecins and vinca alkaloids. (nih.gov)
  • Flavonoids (polyphenolic herbal constituents) form the third generation, non-pharmaceutical category of P-gp inhibitors. (nih.gov)
  • Phytochemical investigation by HPLC-MS suggested that leaf decoction extract contains phenolics and flavonoids [ 7 ]. (hindawi.com)
  • Main constituents of leaf oil has been reported to be (Z,E)-farnesene. (stuartxchange.org)
  • Artichoke extract has flavonoid constituents that demonstrate antioxidant activity and are intended to provide nutritional support for healthy digestion. (allstarhealth.com)
  • The ethanolic extracts of the plant were examined for the presence of bioactive components and their total flavonoid content, with focusing on quercetin detection using thin layer bioautography (TLB) and brine shrimp lethality assay (BSLA) for cytotoxicity. (who.int)
  • The antiviral effect of propolis extracts and selected constituents, e.g. caffeic acid (1), p-coumaric acid (2), benzoic acid (3), galangin (4), pinocembrin (5) and chrysin (6) against herpes simplex virus type 1 (HSV-1) was analysed in cell culture. (nih.gov)
  • Among its different constituents, Astragalus polysaccharides have been most widely studied particularly for their immunopotentiating properties, such as stimulation of murine B cell proliferation and cytokine production ( 6 ). (spandidos-publications.com)
  • Myricitrin, which is a flavonoid glycoside, was also found. (diagnose-me.com)
  • Naturally occurring flavonoids have long been utilized as essential templates for the development of novel drugs and as critical ingredients for functional foods. (frontiersin.org)
  • The above findings are potentially significant because flavonoids are widely present in vegetables, fruits, and beverages ( Herrmann, 1988 ) and are known to have a wide range of biochemical and pharmacological effects. (aspetjournals.org)
  • L. egeregia was regarded as the prototype of the anticancer species due to its profound flavonoid concentration (85.40 µg/mL) and cytotoxicity (9.46 µg/mL) compared to other extracts. (who.int)
  • The thirteen researchers report that "elevated CO 2 promoted the accumulation of secondary metabolites (flavonoids) progressively to a greater extent as plants became mature. (co2science.org)
  • However, the extracts containing many different components exhibited significantly higher antiherpetic effects as well as higher selectivity indices than single isolated constituents. (nih.gov)
  • Flavonoids have been shown to exhibit antiinflammatory, antithrombogenic, antidiabetic, anticancer, and neuroprotective activities through different mechanisms of action in vitro and in animal models. (oregonstate.edu)
  • In vitro and in vivo data indicate that the hop constituent xanthohumol affects several critical pathophysiological steps during the development and course of chronic liver disease. (greenmedinfo.com)
  • Flavonoids are antioxidants known to improve circulation and relieve tissues damage and have a role in reducing inflammation. (pacherbs.com)
  • The principal constituents of this herb are Flavonoids. (planetayurveda.com)
  • Its ethnomedical uses as a ginseng-like herb and chemical constituents suggest that A. trifoliatus may have potential for the treatment of neurodegenerative diseases and cognitive dysfunction. (hindawi.com)
  • Also, the flavonoid narirutin is said to be the active chemical in the Wakayama Prefecture specialty citrus jabara juice that is said to diminish the effects of pollen allergies. (wikipedia.org)
  • Flavonoids are the most common chemical composition derived from this plant. (planetayurveda.com)
  • The seed is the part used medicinally, as it contains both volatile oils and flavonoid components. (diagnose-me.com)
  • We recently have isolated flavonoids from the leaves of Carya cathayensis Sarg. (hindawi.com)
  • The objective of this review of the lit- sults in loss of some active constituents [2] erature was to examine studies on khat, and therefore the habit of chewing the green particularly human studies, with special leaves was adopted. (who.int)
  • The review also focuses on flavonoid-drug interactions as well as the reversal activity of flavonoids useful against MDR. (nih.gov)
  • Flavonoid constituents of chorizanthe diffusa with potential cancer chemopreventive activity. (co2science.org)
  • Many of the biological effects of flavonoids appear to be related to their ability to modulate a number of cell-signaling cascades. (oregonstate.edu)
  • Despite promising results in animal studies, only a limited number of observational studies have reported potential cancer preventive effects of flavonoids in humans. (oregonstate.edu)
  • The hop constituent xanthohumol exhibits hepatoprotective effects and inhibits the activation of hepatic stellate cells at different levels. (greenmedinfo.com)
  • This study suggested that the phenolic constituents of Phyllanthus urinaria possessed antioxidant activities and these might play an important role in antihepatitic effects. (ijpsonline.com)
  • Evidence suggesting that some flavonoids or flavonoid-rich foods may enhance cognitive function is currently limited, and it is not yet known whether their consumption could lower the risk of cognitive impairments and dementia in humans. (oregonstate.edu)
  • The results of small-scale randomized controlled trials suggest that consumption of flavonoid-rich food and beverages containing anthocyanins or flavan-3-ols may improve vascular endothelial function. (oregonstate.edu)
  • Xanthohumol is the principal prenylated flavonoid of the female inflorescences of the hop plant. (greenmedinfo.com)
  • For centuries, yarrow has been popular in European folk medicine, in part because yarrow contains flavonoids (plant-based chemicals) that support normal saliva secretion and stomach acid, helping to support healthy digestion. (gaiaherbs.com)
  • Numerous studies have shown that flavonoids can prevent cardiovascular disease [ 16 - 19 ]. (hindawi.com)
  • The flavonoid eriocitrin abundant in lemon and lime juices is present in comparable concentrations in sudachi juice, but is lacking in yuzu or kabosu juices. (wikipedia.org)