extract


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extract

 [ek´strakt]
a concentrated preparation of a vegetable or animal drug.
allergenic extract an extract of allergenic components from a crude preparation of an allergen, such as weed, grass, or tree pollen, molds, house dust, or animal dander, used for diagnostic skin testing or for immunotherapy for allergy.
cell-free extract the solution obtained by rupturing cells and removing all particulate matter.

ex·tract

(eks-trakt'),
1. A concentrated preparation of a drug obtained by removing the active constituents of the drug with suitable solvents, evaporating all or nearly all of the solvent, and adjusting the residual mass or powder to the prescribed standard.
2. To remove part of a mixture with a solvent.
3. To perform extraction.
[L. ex-traho, pp. -tractus, to draw out]

extract

(ĭk-străkt′)
tr.v. ex·tracted, ex·tracting, ex·tracts
To draw or pull out, often with great force or effort: extract a wisdom tooth; used tweezers to extract the splinter.

ex·tract′a·ble, ex·tract′i·ble adj.
ex·trac′tor n.

extract

noun A concentrate of a drug, cells or a supernatant.

verb To obtain a thing—often concentrated or distilled—from a source.

extract

noun A concentrate of a drug, cells, or a supernatant. See Adrenal extract, Cell-free extract, Fluid extract, Green extract, Plasmid extract verb Psychology Obtain.

ex·tract

1. (ek'strakt) A concentrated preparation of a drug obtained by removing the active constituents with suitable solvents, evaporating all or nearly all of the solvent, and adjusting the residual mass or powder to the prescribed standard.
2. (ek-strakt') To remove part of a mixture with a solvent.
3. To perform extraction.
[L. ex-traho, pp. -tractus, to draw out]

ex·tract

(eks-trakt, ekstrakt)
1. To perform extraction.
2. A concentrated drug preparation obtained by removing active constituents of the drug with suitable solvents, evaporating all or nearly all solvent, and adjusting residual mass or powder to the prescribed standard.
[L. ex-traho, pp. -tractus, to draw out]
References in periodicals archive ?
The maceration extract of flowers (51.90 mM trolox/mg extract) exhibited the strongest [ABTS*.sup.+] scavenging activity.
To determine TPC the plant extract was allowed to react with FC reagent and absorbance value was taken at 726 nm.
According to the results obtained from the FRAP assay, UM extract (2.02 mM [Fe.sub.2]+/mg extract) has stronger ferric reducing antioxidant power activity than MM extract (p>0.05).
The Europe malt extract market was valued at US$ 7.53 billion in 2016.
Hydrogen peroxide contents: Both the hybrids responded positively to medium supplemented extract under either condition, although SB-11 responded better than ICI-984.
aureus were observed by petroleum ether extract of leaves and bark with a zone of inhibition of 50 0.51 mm and 55.7 1.15 mm respectively.
ABC emphasized that the Chinese ginkgo extract manufactured in Shanghai is not consistent with any compendial botanical and chemical standards for quality as set forth in various official pharmacopeias and does not conform to the well-established chemical profiles, quality and purity of the leading, clinically tested ginkgo extracts.
In other words, the worse your cancer, the better the extract works--and the less you need.
Effect of sorghum water extract and combined application of crop water extracts on seeds of weeds was non-significant for GI but significantly different from germination index of rice seeds subjected to application of sorghum water extract (Table 2).
Antifungal and antibacterial Activities of the ethanolic and aqueous extract of Kigelia africana (Bignoniaceae) stem bark, African Journal of Biotechnology, 6(14): 16771680.
Mustard-seed and poinsettia-shoot extracts proved most effective, Cox's team reports in Agronomy Journal, published online June 5.

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