Word.ws English Dictionary

How to use alkaloid in a sentence

20 example sentences · noun, adjective

Alkaloid means any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties. Example: “The alkaloids cytisine and sparteine are derivatives of quinolizidine.”

Examples of alkaloid by meaning

nounAny of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.

  • The Aspidosperma alkaloids are the largest group of indole alkaloids.1990, Song Liu, Syntheses of Aspidosperma Alkaloids, page 2

More sentences with alkaloid

  • The alkaloids cytisine and sparteine are derivatives of quinolizidine.From the entry quinolizidine
  • Instead, its main active ingredient is a xanthine alkaloid known as mateine.2015, Thom Hartmann, ADHD and the Edison Gene. From the entry mateine
  • Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans.2014, Nicolae Sfetcu, Health & Drugs: Disease, Prescription & Medication. From the entry mateine
  • Generally the pyrrolizidine alkaloids exist in plants as N-oxides, as shown for monocrotaline and seneciphylline.2010, Eric David Morgan, Biosynthesis in Insects, page 320. From the entry pyrrolizidine
  • The structurally more complex aspidosperma, strychnos, and iboga alkaloids may each be derived from the corynanthe alkaloids.2006, John Romeo, Integrative Plant Biochemistry, page 12. From the entry aspidosperma
  • The phenolic aporphine alkaloid actinodaphnine earlier isolated from Actinodaphne hookeri has been reisolated from Litsea polyantha.1972, Srinivasa Rangaswami, Some Recent Developments in the Chemistry of Natural Products. From the entry actinodaphnine
  • There are also warnings of alkaloids, which burnweed contains.2018 July 31, Marie Viljoen, “American Burnweed”, in Forage, Harvest, Feast: A Wild Inspired Cuisine, page 17. From the entry burnweed
  • Three aporphine alkaloids (actinodaphnine, cassythine and dicentrine) isolated from C. filiformis were found to be active against Trypanosoma brucei.2015, Dr. Abdul Ghani Hussain, Nature’s Medicine: A collection of Medicinal Plants from Malaysia’s Rainforest. From the entry actinodaphnine
  • Many medicines taste bitter because they contain alkaloid (baselike) compounds.1993, John William Hill, Dorothy M. Feigl, Stuart J. Baum, Chemistry and life. From the entry baselike
  • MS and NMR spectra of loline from L. cunneatum and festucine from Festuca arundinacea showed that both alkaloids are identical.1991, Abdel-Fattah M. Rizk, Poisonous plant contamination of edible plants, page 96. From the entry festucine
  • The constancy of the alkaloids is the factor that has made alkalometry the synonyme of exact medication in veterinary science.1910, Scientific Proceedings of the Annual Meeting of the American Veterinary Medical Association, volume 46, page 306. From the entry synonyme
  • Methanolics and aqueous leaf extracts revealed the presences of alkaloids, tannins, phenols and flavonoid in high amount in most of the plants.2015, TB Saidu, M Galadima, ME Abalaka, AA Jigam, “Antibacterial activity of eight medicinal plants against Diarrhoea pathogens”, in…. From the entry methanolic
  • Several quaternary d-pilocarpine derivatives have been prepared in order to investigate the influence of structural changes on the biological activity of this alkaloid.1971, A. Ben Bassat, D. Lavie, H. Edery, G. Porath, “Quaternary pilocarpine derivatives acting as acetylcholine antagonists”, in Journal…. From the entry quaternary
  • On account of its use as a local anæsthetic, cocaïne is the best known of the alkaloids present in coca-leaves (Erythroxylon coca).1914, Arnold Frederick Holleman, A Textbook of Inorganic Chemistry, page 586. From the entry cocaïne
  • This alkaloid has long been known to relieve the pain and fever of malaria and other tropical diseases, making it a staple "tonic" in warm-weather countries.2009 Spring, Anthony Dias Blue, “Mixology: Gin & Tonic”, in Drinks, the Magazine of Fine Wine, Spirits, and Living, page 8. From the entry tonic water
  • The aporphinoid alkaloids are widely distributed in plants and although most commonly found in the Papaveraceae they have also been isolated from the Araceae, Lauraceae and Monimiaceae.1998, K. W. Bentley, Isoquinoline Alkaloids, page 131. From the entry aporphinoid
  • The isolation and structure determination of a major alkaloid, solanogantine (1), a novel 3-amino-solanidane, from this plant has already been reported from this laboratory in a preliminary communication.1978, Journal of the Indian Chemical Society, volume 55, page 1109. From the entry solanogantine
  • Since lysergic acid is thus the common characteristic constituent of these alkaloids, the determination of its structure became at once a major issue in the ergot alkaloid problem.1937 August, Walter A[braham] Jacobs; R. Gordon Gould, Jr., “The Ergot Alkaloids: XII. The Synthesis of Substances Related to Lysergic…. From the entry lysergic
  • Fire salamanders, which are common on forested hillsides in southern and central Europe, extrude secretions onto their skin containing a neurotoxic alkaloid, Samandarin, when they think they are under attack.2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 6. From the entry extrude

Meaning of alkaloid

  1. noun Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.
  2. adjective Relating to, resembling, or containing alkali.

Full definition of alkaloid

Questions about alkaloid in a sentence

How do you use alkaloid in a sentence?
Alkaloid is used as a noun and adjective. For example: “The alkaloids cytisine and sparteine are derivatives of quinolizidine.”
What is a short sentence with alkaloid?
“The alkaloids cytisine and sparteine are derivatives of quinolizidine.”
What does alkaloid mean?
Alkaloid means any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.

Source and license

Adapted from Wiktionary: alkaloid (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

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