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 It might be outdated or ideologically biased.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 ?
Fractionation of grape seed extract and identification of gallic acid as one of the major active constituents causing growth inhibition and apoptotic death of DU145 human prostate carcinoma cells.
(vii) Aronia extract or grape seed extract at the final concentration of 50 [micro]g/mL plus 4.7 mM [H.sub.2][O.sub.2]/3.8 mM [Fe.sub.2]S[O.sub.4]/2.5 mM EDTA,
(2010) who reported a linear increase in antioxidant activity in grower and finisher diets as well as in excreta of birds fed on grape seed extracts. Goni et al.
It has been found that grape seed extracts are rich in proanthocyanidin, a flavonoid related to sub-group of tannins, which protects blood vessels and helps cardiovascular system.
Grape seed extract, like other herbal supplements, is not regulated by the U.S.
[26] indicated that GSEs have the ability to inhibit HNSCC cell invasion by targeting the expression of EGFR and activation of NF-[kappa]B as well as inhibiting the epithelial-to-mesenchymal transition In the present study, for the first time the cytotoxic effects of the grape seed extract was investigated and their possible effects on cell death properties in KB cell line were determined.
Eye Benefits: Grape seed extract may also protect the very small blood vessels in the eyes and so may have an impact on blood circulation in the eye; this may be of benefit to people who spend their days in front of the computer screen Skin Benefits: The skin is the largest organ in the body and a good overall indicator of health.
It appears that an electrostatic spray of tartaric and malic acids and grape seed extract can be efficiently used to inhibit E.coli O157:H7 on spinach, due to the spray's ability to uniformly deposit antimicrobials on the surface.
More than 90 research presentations, publications and abstracts have been reported the health benefits regarding grape seed extract focusing on areas related to antioxidant activity, cardiovascular health, gastric health and anti-inflammatory properties.
It contains red grape seed extract which is a proven antioxidant while sunflower extract protects hair colour from fading.
SCIENTISTS at the University of Illinois, USA, have found that grape seed extract is a viable natural alternative to using synthetic ingredients as a means of preserving meat for ready made frozen and refrigerated meals.