(n.) A perennial plant (Pyrethrum, / Chrysanthemum, Parthenium) allied to camomile, having finely divided leaves and white blossoms; -- so named from its supposed febrifugal qualities.
Example Sentences:
(1) A bioassay based on inhibition of the secretory activity of blood platelets by extracts of feverfew in comparison with parthenolide was also used.
(2) Extracts of the herb feverfew inhibit human blood platelet aggregation and secretion induced by a number of agents in-vitro and this may relate to the beneficial effects of feverfew in migraine.
(3) The results indicate that feverfew may have a vasoprotective effect in addition to its effects on platelets.
(4) Seventeen patients who ate fresh leaves of feverfew daily as prophylaxis against migraine participated in a double blind placebo controlled trial of the herb: eight patients received capsules containing freeze dried feverfew powder and nine placebo.
(5) Patch tests were negative for another 30 plants, including cocklebur (Xanthium strumarium), dog fennel (Anthemis cotula, fleabane (Erigeron strigosus), sneezeweed (Helenium autumnale), and feverfew (Tanacetum parthenium).
(6) The precise nature of the sulphydryl groups that are susceptible to feverfew and are involved in platelet aggregation and the release reaction have not yet been defined.
(7) Extracts of feverfew (Tanacetum parthenium) inhibited secretory activity in blood platelets and polymorphonuclear leucocytes (PMNs).
(8) Feverfew itself did not induce the formation of disulphide-linked protein polymers in platelets but polymer formation occurred when aggregating agents were added to feverfew-treated platelets.
(9) Three physicochemical methods (HPLC, NMR spectroscopy, and HPLC of a derivative) have been used to measure parthenolide in authenticated Tanacetum parthenium (feverfew) and in several commercial purported feverfew products.
(10) They also modify the interaction of platelets with collagen substrates: feverfew extracts inhibit both platelet spreading and formation of thrombus-like platelet aggregates on the collagen surface.
(11) Crude chloroform extracts of fresh feverfew leaves (rich in sesquiterpene lactones) and of commercially available powdered leaves (lactone-free) produced dose-dependent inhibition of the generation of thromboxane B2 (TXB2) and leukotriene B4 (LTB4) by ionophore- and chemoattractant-stimulated rat peritoneal leukocytes and human polymorphonuclear leukocytes.
(12) It is a simple, inexpensive, and reproducible high-throughput bioassay suitable for quality control of feverfew, Tanacetum parthenium, a crude drug with proven migraine prophylactic activity that is being considered for governmental registration and regulation.
(13) Inhibition of anti-IgE-induced histamine release by feverfew extract was observed when the drug was added simultaneously with anti-IgE and the inhibitory activity increased only slightly when the drug was preincubated with the cells for 5 min before anti-IgE stimulation.
(14) It was shown that feverfew extract (FE) inhibited the deposition of [51Cr]-labelled platelets on both CIII and CIV in a dose-dependent way.
(15) Positive patch test reactions were 2+ for dandelion (Taraxacum officinale), false ragweed (Ambrosia acanthicarpa), giant ragweed (Ambrosia trifida), short ragweed (Ambrosia artemisifolia), sagebrush (Artemisia tridentata), wild feverfew (Parthenium hysterophorus), yarrow (Achillea millifolium), and tansy (Tanacetum vulgare) and 1+ for Dahlia species and English ivy (Hedera helix).
(16) In this respect feverfew differs from cromoglycate and quercetin.
(17) There was a highly significant variance between the frequencies of SCE in the matched pairs of migraine patients but this was not related to age, sex or feverfew exposure.
(18) Parthenolide appears to be mainly responsible for the antisecretory effects of extracts of feverfew.
(19) The pharmacological properties of feverfew may thus be due to cytotoxicity, although the time course of the events described in this paper is different from those where feverfew appears to have more specific inhibitory effects.
(20) Two elderly individuals suffering from acute recurrent dermatitis of light-exposed skin between spring and autumn were shown to be allergic to feverfew (Tanacetum parthenium) of the Compositae family.
Herb
Definition:
(n.) A plant whose stem does not become woody and permanent, but dies, at least down to the ground, after flowering.
(n.) Grass; herbage.
Example Sentences:
(1) Relying on traditional medicine, all 20 women reported eating brown seaweed soup for 20 days after childbirth, and 5 said that they took tonic herbs during the puerperium.
(2) The cardiovascular pharmacology of two Chinese herbs, Salvia miltiorrhiza (SM) and Panax notoginseng (Burk) F. H. Chen (PNG) were studied both in vivo and in vitro.
(3) As LAM was composed of Kidney-tonifying herbs, all the subjects chosen fell into the pattern of Kidney-deficiency in TCM.
(4) These mutations, named herB, suppressed cer-6 replication in rnh+ bacteria.
(5) A better extractive technology was obtained after isolating and purifying the whole herb of Panax japonicum var.
(6) Clinacanthus nutans Burm, a herb reputed in Thailand and Malaysia to be "snakebite antidote" has been tested in vitro and in vivo for antivenin activity.
(7) Anyone who is pregnant, breastfeeding or infirm should talk to a GP before taking the herb.
(8) In addition to insulin, there were 8 patients taking herbs to cure diabetes.
(9) This study examined the effects of the predisposing, enabling, and need characteristics on the use of health services by the elderly which includes hospital care, physician services, herb doctor services, self-medication with western drugs, and self-medication with herb drugs.
(10) Chinese medicinal preparation and Chinese patent medicine use traditional medicine and herb drugs as raw materials under the guide of pharmaceutical theory and is progressing into certain dose form according to the prescription book and confined method.
(11) Close to the smelters tree species accumulated more foliar fluoride than shrub species, which in turn accumulated more foliar fluoride than herb species.
(12) parsley, chives, thyme, fennel or another herb for the parsley.
(13) Eight dogs had been treated beforehand with a preparation of flavone extracted from the root of the Chinese medicinal herb Andrographis paniculata (TFAP).
(14) Selective PK influence on membrane linked activation events in inflammatory effector cells could be the basis of anti-inflammatory and perhaps other biological activities reported with the herb.
(15) Absinthe was distilled from an alcoholic steep of herbs.
(16) 6)--a mixture of Chinese traditional herbs providing antipyretic and detoxifying action, showed principally normal ultrastructure in liver cells.
(17) Twenty-six herbal preparations made from 24 medicinal herbs, categorized as antipyretics in Chinese materia medica, were tested in vitro to determine their effects upon phagocytosis of 32P-labelled Staphylococcus aureus by neutrophils isolated from bovine blood and milk.
(18) Get used to seasoning your food with herbs, spices and black pepper instead.
(19) If you forgo alcohol, incidentally, you could eat one of a handful of the main courses which come in just under £10, such as a special of smoked haddock with summer vegetables, soft poached egg and herb velouté, or the homemade fish fingers with salad and tartare sauce.
(20) Politicians, such as the Democratic senator Herb Kohl, have belatedly started to ask whether it is growing too fast too soon.