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 ?
Sources of funding: The allergenic extracts used for both serial endpoint titration and skin prick testing were provided by Antigen Laboratories, Inc.
Supply of allergenic extracts for in vivo diagnostics with accessories, as defined in Annex 1) Table Products~ Technical Specification and its related services in support of regional health in art.
Two examples of such codes are 95024 ("intracutaneous [intradermal] tests with allergenic extracts, immediate type reaction, including test interpretation and report by a physician, specify number of tests") and 95004 ("percutaneous tests [scratch, puncture, prick] with allergenic extracts, immediate type reaction, including test interpretation and report by a physician, specify number of tests").
Patients receiving allergenic extracts should be kept under observation a minimum of thirty minutes so that any adverse reaction can be observed and properly handled.
a leading provider of allergy immunotherapy products and services, has received FDA approval to begin Phase 1 safety and dosing studies focused on sublingual-oral administration of dust mite allergenic extracts.
The tray holds 40MNI devices and up to 40 allergenic extracts.