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 ?
Aqueous extracts: As observed for the alcoholic extracts, the viability was not affected by the jambolan extract; however, extracts of guava and jabuticaba showed statistically influences.
Cholinergic activity of the quaternary base isolated from water-soluble fraction of alcoholic extract of seeds.
Anti-ulcer activity of crude alcoholic extract of Toona ciliata Roemer (heart wood).
Minimum and maximum inhibitory effects of the alcoholic extract on staphylococcus aureus were at 10 and 80mg/ml consecutively and the inhibition zones for these concentrations were 8 and 19 mm consecutively.
Cardioprotective effect of the alcoholic extract of Terminalia arjuna bark in an in vivo model of myocardial ischemic reperfusion injury.
Aqueous and alcoholic extract of Allium sativuma had shown weak but the best antibacterial activity as compared to all other extracts in the broth.
Oil extraction obtained by adding of (350) ml of petroleum ether (60-40) degC to a continuous extraction and followed the steps above in the preparation of alcoholic extract [5].
Itokawa et al (1992) proved that the alcoholic extract of Mansoa alliacea shows cytotoxic activity against V-29 cells, due to the presence of lapachol, which exhibits potent antitumor activity.