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infusion

 
Dictionary: in·fu·sion   (ĭn-fyū'zhən) pronunciation
n.
  1. The act or process of infusing.
  2. Something infused or introduced: an economy in need of regular capital infusions.
  3. The liquid product obtained by infusing: prepared an infusion of medicinal herbs.
    1. Introduction of a solution into the body through a vein for therapeutic purposes.
    2. The solution so introduced: a sucrose infusion.

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[ihn-FYOO-zhuhn] An infusion is the flavor that's extracted from an ingredient such as tea leaves, herbs or fruit by steeping them in a liquid (usually hot), such as water, for tea. In today's culinary parlance, sauces that have been variously flavored (as with herbs) are also called infusions.

Dental Dictionary: infusion
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n

1. the therapeutic introduction of a fluid, such as saline solution, into a vein. In contrast to injection, infusion suggests the introduction of a larger volume of a less concentrated solution over a more protracted period. 2. a term used in pharmacy for a liquid extract prepared by steeping a plant substance in water.

Veterinary Dictionary: infusion
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1. the steeping of a substance in water to obtain its soluble principles.
2. the product obtained by this process, usually leaves, young stems, or petals to produce a tea for oral administration. See also decoction.
3. the slow therapeutic introduction of fluid other than blood into a vein. See also intravenous infusion.
note: An infusion flows in by gravity, an injection is forced in by a syringe, an instillation is dropped in, an insufflation is blown in, and an infection slips in unnoticed.

  • constant-rate i. — the continuous intravenous administration of medication usually through an electronic delivery device, in order to maintain constant blood levels. Most suitable for use with rapid onset of action and short half-life.
  • intramammary i. — material used to introduce medicaments, especially antibiotics, into the teat and udder sinuses for the treatment or prevention of mastitis. May be in liquid or thin paste form and usually prepackaged in tubes for the treatment of individual quarters. Contain antibiotics and adjuvants in a slow or fast-release base depending on objective, e.g. dry period or lactation period treatment. May contain dye to warn that milk may contain antibiotics. Specially prepared watery infusions of escharotic agents, e.g. silver nitrate, copper sulfate, may be used to dry off permanently a quarter that is chronically affected.
  • intrauterine i. — administration of fluids for irrigative purposes.
  • subcutaneous i. — administration of fluids directly into subcutaneous tissues for the purpose of providing hydration. See also hypodermoclysis.
Wikipedia: Infusion
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Contents

An infusion is the outcome of steeping plants with a desired flavour in water or oil.

History

The first recorded use of essential oils was in the 10th century by the Muslim Persian chemist Avicenna.[citation needed]

Preparation techniques

An infusion is very similar to a decoction but is used with herbs that are more volatile or dissolve readily in water, or release their active ingredients easily in oil. Boiling water (or water of the appropriate temperature) is poured over the herb and allow to steep for a time, usually 15 to 30 minutes or until the mix cools. The mix is then strained, bottled, and refrigerated for future use. Quantities of the herb/water or oil mix will vary according to the herb or how strong the infusion is required to be. A common proportion used is one ounce of herb to one pint of liquid.

Examples

Herbs or other plants can be placed in boiling water for a few minutes, then discarded, and the water drunk as a beverage. A common example is tea. Many other drinks (herbal teas) are prepared in this way. Lemon, chamomile, senna, apple, ginger, rooibos, and a great many other plants are used individually or in combination. Infusions of this type are sometimes drunk for pleasure; others are claimed to be advantageous for health. A longer time before straining results in a bitter-tasting infusion. Herbal remedies and herb-infused oils are prepared with dried or fresh herbs, flowers or berries, infused in oil or water. The herb/botanical is then removed from the oil and the oil is used in herbalism in those preparations that require short-term infused oils. Plants with desirable flavours may be steeped in an edible oil or vinegar for an extended period; the infused oil or vinegar is often sold still containing the plant, and is then used as flavouring. Chillies, lemon, garlic, and many other plants may be used. There can be ambiguity: for example, what is described as sesame oil may be oil extracted from sesame seeds, or an inferior quality vegetable oil infused with sesame.

See also

References

External links


Translations: Infusion
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Dansk (Danish)
n. - udtræk, tilførsel, tilsætning, infusion, påhældning

Nederlands (Dutch)
infusie, aftreksel, bezieling

Français (French)
n. - injection (d'argent liquide, d'aide), (fig) souffle, (Culin) infusion

Deutsch (German)
n. - Aufguß, Infusion, Einflößen

Ελληνική (Greek)
n. - έγχυμα, έγχυση

Italiano (Italian)
infuso, infusione

Português (Portuguese)
n. - infusão (f)

Русский (Russian)
вливание, настой, настаивание

Español (Spanish)
n. - infusión, té, infusión intravenosa con gotero

Svenska (Swedish)
n. - ingjutande, ingivande, infusion (äv. med.), avkok, tillsats

中文(简体)(Chinese (Simplified))
注入, 熬煮, 鼓吹

中文(繁體)(Chinese (Traditional))
n. - 注入, 熬煮, 鼓吹

한국어 (Korean)
n. - 주입, 주입물, 우려냄, (정맥에의) 주입

日本語 (Japanese)
n. - 注入すること, 吹き込むこと, 注入されたもの, 吹き込まれたもの, せんじ汁, 鼓吹, 浸出, 浸出液, 煎じ汁, 注入

العربيه (Arabic)
‏(الاسم) صب, سكب, غرس, في, نقع‏

עברית (Hebrew)
n. - ‮יציקה, מילוי, מזיגה, חליטה, עירוי, החדרה, השריה, אינפוזיה‬


 
 

 

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Food Lover's Companion. Food Lover's Companion. Copyright © 2001 by Barron's Educational Series, Inc. All rights reserved.  Read more
Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved.  Read more
Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Infusion" Read more
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