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 ?
Another five rats were fed a chloroform+methanol (9:1 v/v) fraction of the alcoholic extract at 50 mg/kg BW with one rat littering three pups.
Effect of Ruta graveolens and Cannabis sativa alcoholic extract on spermatogenesis in the adult wistar male rats.
During the course of study on the distribution of phenolic compounds in spices using paper chromatography, it was observed that alcoholic extracts of spices contained a number of phenolic compound which give characteristic colours with various chromogenic agents.
Recently it has been reported that an alcoholic extract of the gum resin of Boswellia serrata and two of its active compounds i.
Cardioprotective effect of the alcoholic extract of Terminalia arjuna bark in an in vivo model of myocardial ischemic reperfusion injury.
It is worth emphasizing that the studied plant is easily generated by treating a spontaneous plant, thus generating an alcoholic extract, a good option for use as an alternative for pest control in agroecologic systems.
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.
The alcoholic extract is used to screen for the presence of following phytochemical constituents namely (tannins, phenols, glycosides, alkaloids, steroids and flavonoids) from the table it is clearly evident that Mulluvadi I selected for the present study showed the presence of phenols, glycosides, alkaloids, steroids and flavonoids while CO3 showed the presence of tannins, glycosides, alkaloids, steroids and flavonoids respectively.
The phenolic fraction obtained from alcoholic extract of the plant also demonstrated antioxidant activity and antiinflammatory activities in arthritic rats (Govindarajan et al.