allergenic 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.

al·ler·gen·ic ex·tract

extract (usually containing protein) from various sources, for example, pollen, dust, mold, insect venom, food, containing the immunogenic or allergenic compounds; may be used for skin testing or desensitization.
Synonym(s): allergic extract

allergenic extract

a protein-containing extract purified from a substance to which a person may be sensitive. The extract may be used for diagnosis or for hyposensitization therapy.

al·ler·gen·ic ex·tract

(al'ĕr-jen'ik eks'trakt)
Extract (usually containing protein) from various sources (e.g., food, bacteria, pollen) suspected of stimulating manifestations of allergy; may be used for skin testing or desensitization.
Synonym(s): allergic extract.
References in periodicals archive ?
A modified form of SET is currently used by the federal Food and Drug Administration to validate the potency of allergenic extracts.
Premedication reduces the incidence of systemic reactions during inhalant rush immunotherapy with mixtures of allergenic extracts.
The aim of the research program is to support changes in the route of administration for Greer's currently licensed allergenic extracts, which are at present indicated for subcutaneous administration.
This study is significant because it is the first large Phase III trial conducted in the United States for the sublingual-oral administration of liquid allergenic extracts.
However, the allergenic extracts used for SLIT in Europe differ from the allergen products expected to be approved in the United States.
The study is another example of Greer's ongoing role in providing pharmaceutical and biotech companies, as well as medical institutions, the allergenic extracts and source materials needed for drug development and research initiatives.