extract

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extract

1. a preparation containing the active principle or concentrated essence of a material
2. Pharmacol a solution of plant or animal tissue containing the active principle
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Extract

 

a concentrated medicinal substance obtained from raw materials that contain certain active ingredients, such as glycosides, alkaloids, and vitamins; a type of galenical. Depending on the extracting agent used, extracts may be categorized as, for example, aqueous, alcoholic, or ethereal. Depending on the degree of thickening after evaporation, they may be classified as liquid, semiliquid (no more than 25 percent moisture), or dry (up to 5 percent moisture).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

extract

[′ek‚strakt (noun) or ik′strakt (verb)]
(chemistry)
Material separated from liquid or solid mixture by a solvent.
(computer science)
To form a new computer word by extracting and putting together selected segments of given words.
To remove from a computer register or memory all items that meet a specified condition.
(metallurgy)
To separate a metal or a mineral from an ore by various chemical or mechanical methods.
(pharmacology)
A pharmaceutical preparation obtained by dissolving the active constituents of a drug with a suitable menstruum, evaporating the solvent, and adjusting to prescribed standards.
A preparation, usually in a concentrated form, obtained by treating plant or animal tissue with a solvent to remove desired odiferous, flavorful, or nutritive components of the tissue.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

extract

To decompress. To restore the original files from a compressed archive (ZIP file, RAR file, etc.). See archive, data compression and archive formats.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Antimicrobial and anti-gingivitis effect of chewing gum containing grapefruit seed extract and xylitol.
Holford says: "Supplementing with grapefruit seed extract is a natural way to improve recovery time once you have a stomach bug.
Grapefruit seed extract, like Nutribiotics and Citricidal, can be found in natural food stores.
The formula includes the natural ingredients aloe vera gel, xylitol and grapefruit seed extract. The company's newest offering is The Natural Dentist Antigingivitis Rinse, which will be available on drugstore shelves beginning in March/April of 2009.
You might also take some grapefruit seed extract, which has potent antibacterial properties.
"This is accomplished with a powerful blend of natural antimicrobial and anti-inflammatory ingredients, including aloe vera gel, echinacea, calendula, goldenseal and grapefruit seed extract."
Live yoghurt can help restore friendly gut bacteria to keep Candida at bay, and taking grapefruit seed extract will help eliminate it while acting as an antibiotic to clear the persistent bugs.
Aloe and grapefruit seed extract are two of the main ingredients in the products, which also contain such other natural ingredients as echinacea, goldenseal and calendula.
START each day with a cleansing cocktail containing aloe vera juice for healing, grapefruit seed extract, which is anti-viral and anti-bacterial, and propolis tincture, which is anti-fungal.
Pharmacists are supplied with educational materials and trial kits containing Natural Dentist products, which feature such ingredients as aloe, grapefruit seed extract, echinacea, goldenseal and calendula.