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

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).

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.

extract

To decompress. To restore the original files from a compressed archive (ZIP file, RAR file, etc.). See archive, data compression and archive formats.
References in periodicals archive ?
Chemical analysis of extracts from the leaf of Tithonia showed that they contain sesquiterpene lactones e.g.
Indeed, such irrigation might be essential in applying the mustard extract, Cox notes, since the extract caused leaf damage when it dried on the blades of grass.--J.R.
Companies that produce tomato extract and pure lycopene (the carotenoid that gives tomatoes their red color) typically use chemical solvents to draw the compounds from tomatoes.
In vitro evaluation of antioxidant assays DPPH radical scavenging activity: The free radical scavenging ability of 12 different extracts was examined with the DPPH* method.
Seed extracts of methanol showed poor results as compared to methanolic extracts of leaf and bark.
The maceration methanol (MM) and Ultrasonic bath methanol (UM) extracts were filtered through filter paper and concentrated by rotary vacuum evaporator (Heidolph Hei-Vap; Schwabach, Germany).
These have presented immune motivating activity in human analyses once mistletoe extracts are given using injection (Hajto, 1986; Bocci, 1993).
Scientists at Cornell University have fractionated and characterized grape polyphenolic extracts prepared from pomace in an effort to investigate their antimicrobial properties.
Marketing aligned with 'health and wellness': Manufacturers are focusing on selling the "health and wellness" attributes of malt extracts, by creating relevant marketing campaigns.
Although application of all the extracts was beneficial in improving heat tolerance in both the maize hybrids, MDLE was the most effective followed by MFLE and MFE.
The resulting extracts were stored at 4 C to prevent fungal attack.