(n.) A rough, hairy, perennial plant of several species, of the genus Symphytum.
Example Sentences:
(1) The carcinogenicity of Symphytum officinale L., Russian comfrey, used as a green vegetable or tonic, was studied in inbred ACI rats.
(2) The acute and long-term health risks at the normally-low levels of comfrey consumption are evaluated and discussed.
(3) In this article, the toxic properties of pyrrolizidine alkaloids are reviewed briefly, with particular reference to their presence in comfrey.
(4) The major source was a powder purporting to contain ground comfrey root (Symphytum sp).
(5) The patient had been on a predominantly vegetarian diet and, prior to his illness, took comfrey leaves which are known to contain hepatotoxic pyrrolizidine alkaloids.
(6) Three groups of 19--28 rats each were fed comfrey leaves for 480--600 days; four additional groups of 15--24 rats were fed comfrey roots for varying lengths of time.
(7) Other plant toxins excreted through the milk that pose a toxicity hazard include pyrrolizidine alkaloids in Senecio, Crotalaria, Heliotropium, Echium, Amsinckia, Symphytum (comfrey), Cynoglossum (hounds tongue) and Festuca (tall fescue); piperidine alkaloids in Conium, tobacco and others; quinolizidine alkaloids in Lupinus; sesquiterpene lactones of bitterweed and rubber weed; and glucosinolates in Amoracia (horseradish), Brassica (cabbage, broccoli, etc.
(8) Comfrey is widely used as a herbal remedy, but so far has only been implicated in two other documented cases of human hepatic veno-occlusive disease.
(9) Hepatocellular adenomas were induced in all experimental groups that received the diets containing comfrey roots and leaves.
(10) The regular use of comfrey as part of the diet or for medicinal purposes may be a potential health risk as a result of the presence of naturally-occurring pyrrolizidine alkaloids.
(11) On the basis of the data that are available currently, the small but significant long-term risk that is associated with the consumption of comfrey justifies the need to limit its intake.
(12) This fickle stream – burrowing through Derbyshire's prettiest dale, now thick with comfreys and the heavy scent of elder – has proved a little more reliable in recent years.
(13) Three groups of young adult rats were fed pyrrolizidine alkaloids derived from Russian comfrey to study the effects of the herb on the liver.
(14) A possible causal association of comfrey and this patient's veno-occlusive disease is suggested by the temporal relationship of the ingestion of comfrey to his presentation, the histological changes in the liver and the exclusion of other known causes of the disease.
(15) The safety of comfrey, a widely used herb, in relation to human consumption requires further investigation.
(16) The second patient had consumed a large amount of comfrey teas, which were shown to contain high levels of pyrrolizidine alkaloids.
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.