alkaloid

[US]/'ælkəlɒɪd/
[UK]/'ælkə'lɔɪd/
Frequency: Very High

Translation

n. biologically active substance found in plants, possessing pharmacological activity, often used in the preparation of drugs.

Phrases & Collocations

alkaloid compound

natural alkaloid

Example Sentences

the hallucinatory alkaloid that is the active agent in mescal buttons.

an alkaloid extracted from the nightshade family

It may be composed of allelochemics such as alkaloids or terpenes.

What are the chemical reaction characteristics of tropane alkaloids?

Diester deoxyaconitine is very toxic.When deoxyaconitine was transformed into mono-ester aconitum alkaloids and lipo-alkaloids by human intestinal bacteria, the toxicity decreased.

Conclusion It has good prospect in development and application for isoquinoline alkaloid composition of Tongbangchui.

The recoveries of the tropane alkaloids were 97.8%-102%.

Acridone alkaloids, a group of important bioactive compounds, are mainly in the citrus plant of Rutaceae family.

Lycorine is a kind of alkaloid constituent which is highly-contained in plant medicine Lycoris radiata.

It is found that the pod of the seeds of Gleditsia sinensis Lam. contains tannins, alkaloids, organic acid, carbohydrates,and axunge.

A decoction from the plant, containing the alkaloid bursin, has been used medicinally as an antidysenteric, a diuretic, and a febrifuge.

Abstract: Pyrrolizidine alkaloids(PAs) are widely distributed in plantae.Many PAs are hepatotoxic,Lung toxicity(carcinogenesis),neurotoxic and cytotoxic.

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

Objective To study the analgesic effect and the physical dependence of verticinone, which is an isosteroidal alkaloids isolated from Fritillariae Bulbus.

It contains not less than 2.0 per cent of total alkaloids, calculated as emetine (C 29 H 40 N 2 O 4 ;

Results Three alkaloids were isolated from the plant.They were identified as N-methylcytisine(1),lupanine(2),sophocarpine(3).

Fresh soap its components, trace alkaloids, inulin and plant-rich alcohol, as well as chamber and dandelion friedelin diterpene resin acids and other acids have been.

RaKba N.Melhaoui A.Loyer P Bgugaine,a pyrrolidine alkaloid from Arisarum vulgare,is a strong hepatotoxin in rat and human liver cell cultures 1999(3

Results: Among the methods suitable for alkaloid extraction, the solvent ether chloroform 95% ethanol (25∶8∶2.5) is the best for imperialine extraction.

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