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 ?
Although high dosage of aqueous extract at 1000 mg/kg body weight/day did not produce any signs of toxicity or mortality (as discussed in the following sections), it did not improve WRL and had minimal effect on the return of toe-spreading over the period of study.
Table III.- Protective effect of raw and gamma-irradiate frankincense aqueous extract on the level of CK-MB, cTnI, LDH, ALT and AST in isoprenaline -induced myocardial infarction in rats.
Aqueous extracts presented minimum antioxidant activity as reported by Siddiqui et al.
hirta and the ethyl acetate, methanol, and aqueous extracts of T.
Table-3: Free radical scavenging activities of the aqueous extracts of citrus sinensis.
Ethanolic and aqueous extracts of Prunella vulgris (PV), a medicinal plant was evaluated for its ability to inhibit the growth of 38 resistant isolates of Escherichia coli strains and compared to Ciprofloxacin, Ofloxacin, Cefixime and Tobramycin by well diffusion method.
In this study, we found that the extracts possessed free radical scavenging capabilities; however, the seed aqueous extract exhibited low fluorescein decay (Table 2).
[41] In this study, it was observed that the aqueous extract of L.
This clearly indicates that the storage has no effect on the fungitoxicity of the aqueous extract of Hedychium spicatum.
The hydroalcoholic extract shows better polyphenol content than the aqueous extract.
umbellata aqueous extract treatment at both doses (50 and 200 mg/kg) significantly (p < 0.001) reduced this parameter just like piracetam (1.5 mg/kg) as compared to the OVX group (Figure 4(a)).