英语词汇“alkaloid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

WORD FAMILY

alkaloid: alkaloidal, alkaloids

USAGE EXAMPLES

The FDA in April 2004 declared supplements containing ephedrine alkaloids to be adulterated because they carry an unreasonable risk of illness or injury.

Washington Times(Dec 19, 2016)

Glick’s work also found this particular alkaloid blocks the receptors of addiction in the brain.

Slate(Dec 05, 2016)

As for where the ants get their alkaloids, Kolby says some species may acquire it from the plants they eat.

National Geographic(Sep 26, 2016)

n natural bases containing nitrogen found in plants

Hypo|Hyper

atropine

a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides

hyoscyamine

a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract

pilocarpine

cholinergic alkaloid used in eyedrops to treat glaucoma

hyoscine, scopolamine

an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures

physostigmine

used in treatment of Alzheimer's disease and glaucoma

cinchonine

an alkaloid derivative of the bark of cinchona trees that is used as an antimalarial drug

ephedrine

white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma

Ergotrate Maleate, ergonovine

an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion

ergotamine

an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine

pseudoephedrine

poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it

nicotine

an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide

strychnine

an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant

brucine

a bitter alkaloid poison resembling strychnine and extracted from nux vomica

betaine

a sweet tasting alkaloid that occurs in sugar beets

caffein, caffeine

a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

rauwolfia

any of several alkaloids extracted from the shrub Rauwolfia serpentina

curare, tubocurarine

a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles

belladonna

an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally

organic compound

any compound of carbon and another element or a radical

单词	alkaloid
释义	alkaloid (once / 12834 pages) n WORD FAMILY alkaloid: alkaloidal, alkaloids USAGE EXAMPLES The FDA in April 2004 declared supplements containing ephedrine alkaloids to be adulterated because they carry an unreasonable risk of illness or injury. Washington Times(Dec 19, 2016) Glick’s work also found this particular alkaloid blocks the receptors of addiction in the brain. Slate(Dec 05, 2016) As for where the ants get their alkaloids, Kolby says some species may acquire it from the plants they eat. National Geographic(Sep 26, 2016) n natural bases containing nitrogen found in plants Hypo\|Hyper atropine a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides hyoscyamine a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract pilocarpine cholinergic alkaloid used in eyedrops to treat glaucoma hyoscine, scopolamine an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures physostigmine used in treatment of Alzheimer's disease and glaucoma cinchonine an alkaloid derivative of the bark of cinchona trees that is used as an antimalarial drug ephedrine white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma Ergotrate Maleate, ergonovine an alkaloid derived from ergot (trade name Ergotrate Maleate) that is less toxic than ergot; induces muscular contraction of the uterus and is administered after childbirth or abortion ergotamine an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine pseudoephedrine poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it nicotine an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide strychnine an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant brucine a bitter alkaloid poison resembling strychnine and extracted from nux vomica betaine a sweet tasting alkaloid that occurs in sugar beets caffein, caffeine a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects rauwolfia any of several alkaloids extracted from the shrub Rauwolfia serpentina curare, tubocurarine a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles belladonna an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally organic compound any compound of carbon and another element or a radical
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