
	Where results make sense

Topic: International Bittering Units

Related Topics

United States of America

United Kingdom

United States Democratic Party

United States Republican Party

United States Navy

United Nations

United States Senate

United States Whig Party

United States House of Representatives

United States Congress

Supreme Court of the United States

In the News (Tue 22 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Everything you wanted to know about hops.
		Bitterness is achieved by boiling the hops in the wort at least 30 minutes but preferably 45-60 minutes.
		IBU's is a measurement of the total amount of bitterness in a given volume of beer.
		With IBU's each hop additions will contribute some toward bitterness: bittering hops (boils 30 minutes or longer) 90% of total bitterness; flavoring hops (boils of 10-15 minutes) 10%; finishing hops (boils of 5 minutes or less) and dry hopping contribute less than 1% of total bitterness.
	dspace.dial.pipex.com /town/pipexdsl/q/aqrx09/easyhomebrew/hops.html (568 words)

	Encyclopedia :: encyclopedia : Imperial unit (Site not responding. Last check: 2007-10-13)
		Until the adoption of the international definition of 1852 metres in 1970, the British nautical mile was defined as 6080 feet (1.85318 km).
		In the United States and in a few Caribbean countries, the U.S. customary units, which are similar to Imperial units based upon older English units and in part share definitions, are still in common use.
		The use of SI units is increasingly mandated by law for the retail sale of food and other commodities, but many British people still use Imperial units in colloquial discussion of distance (miles and yards), speed (miles per hour), weight (stones and pounds), liquid (pints and gallons) and height (feet and inches).
	www.hallencyclopedia.com /Imperial_unit (1019 words)

	Beer - Wikipedia, the free encyclopedia
		The bitterness of commercially-brewed beers is measured on the International Bitterness Units scale.
		A metal keg is pressurised with carbon dioxide (CO) gas which drives the beer to the dispensing tap or faucet.
		Some beers, notably stouts, such as Guinness and "Smooth" bitters, such as Boddingtons, may be served with a nitrogen/carbon dioxide mixture.
	en.wikipedia.org /wiki/Beer (3574 words)

	How to Brew - By John Palmer - Hop Measurement
		Alpha Acid Units (AAUs) or Homebrew Bittering Units (HBUs), are the weight of hops (in ounces) multiplied by the percentage of Alpha acids.
		This unit is convenient for describing hop additions in a recipe because it indicates the total bittering potential from a particular hop variety while allowing for year to year variation in the %AAs.
		The strongest bittering factors are the total amount of alpha acids you added to the wort, and the amount of time in the boil for isomerization.
	www.howtobrew.com /section1/chapter5-4.html (799 words)

	Units: I
		One IBU is equal to 1 part per million of isohumulone, an acid (derived from hops) that provides the bitterness in the brew.
		In the United States, atmospheric pressure is customarily expressed as the height of a column of mercury exerting the same pressure as the atmosphere.
		The colpa, a traditional Irish unit of pasturage, is approximately equal to the Irish acre.
	www.unc.edu /~rowlett/units/dictI.html (1513 words)

	Brewing USA - Homebrewing Information About Hops
		One IBU is equal to the bittering that is produced by adding one milligram of alpha-acid to one liter of wort.
		IBUs are an accurate measure of the amount of bittering acids in the beer, but the bitterness you actually taste will depend on the level of sweetness in your wort.
		They are generally more flavorful hops than the bittering varieties, and since you add them for the last fifteen minutes, their taste incorporates nicely into the wort, but it doesn't boil out.
	brewingusa.com /allabout_hops.asp (1984 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		For example, the high sulfates in the hard water around Burton-on-Trent resulted in a drier flavor that accentuated the bitterness of well-hopped ales, while the soft water in Pilsen enabled the brewers to produce a pale lager with a high hop bitterness and soft palate that would not be possible with hard water.
		Bittering varieties are higher in alpha acid content, but their flavor and aroma characteristics are generally considered to be less refined.
		Bitterness arises from the alpha acids, which consist of humulone, cohumulone, and adhumulone; the proportions of each will vary according to hop variety.
	www.mv.com /ipusers/slack/bjcp/study98.txt (21149 words)

	BJCP Study Group Notes (Site not responding. Last check: 2007-10-13)
		These are the largest contributors to bittering from isomerization during the boil, particularly the Cohumulone as it tends to be harsh at higher levels.
		Bittering value of hops is measured as “Bittering Units”; homebrewers use IBU’s — International Bittering Units.
		This is inexact however for the perceived bittering varies from the measured bittering due in large part to the subjectiveness of the human condition & the physical aspects of process, storage & aging.
	www.cascadebrewersguild.org /studygroup/sgnotesweek06.asp (761 words)

	Homebrew Headquarters
		Beer bitterness is measured in International Bittering Units, or IBUs.
		The exact amount of bitterness extracted from the hops depends on the boil time, boil volume, specific gravity of the wort, hop alpha acid content, the amount of hops, whether the hops are loose in the boil or in a bag, and whether the hops are whole or pelletized.
		General purpose bittering hops (Nugget, Cluster, Magnum, Perle, Galena, Northern Brewer) are commonly thought to have poor aroma and flavor, so are normally used only in early kettle additions.
	www.homebrewhq.com /Beer/HopInfo.aspx (1496 words)

	Hops - Wikipedia, the free encyclopedia
		The degree of bitterness imparted by hops depends on the degree to which otherwise insoluble alpha acids (AAs) are isomerized during the boil, and the impact of a given amount of hops is specified in International Bitterness Units.
		Their low relative bitterness but strong aroma are often distinguishing characteristics of European-style lager beer, such as Pilsener, Dunkel, and Oktoberfest/Marzen.
		In beer, they are considered aroma hops (as opposed to bittering hops); see Pilsner Urquell as a classic example of the Pilsener style, which showcases Noble hops.
	www.knowledgehunter.info /wiki/Hops (1859 words)

	RESIST PROHIBITION! - Brewing Ingredients
		Hops are used in beer primarily for their bittering and aromatic qualities but also have a preservative effect and aid in clarification and head retention.
		Alpha acids only become water soluble and release their bitterness when boiled, which is why hops used for bittering are added at the beginning of the wort boil.
		For example, bittering hops should be added to the beer at the beginning of the boil to allow the alpha acids to break down and impart their bittering potential.
	www.geocities.com /xxi1933/ingredients.html (4662 words)

	Welcome to Phil Hanvey's Web Page (Site not responding. Last check: 2007-10-13)
		Hops are a natural preservative and impart bitterness, flavors and aroma to your beer.
		Some hops can be used exclusively for bittering, others for their particular flavor and still others solely for their unique bouquet.
		The bittering strength of the hops is measured in terms of IBUs, or International Bittering Units.
	www.hanveys.com /Beer/Hops.html (249 words)

	BeerTutor's Beer Glossary
		The United States traditionally used alcohol by weight (ABW) to measure alcohol content, but more and more American brewers are now adopting ABV.
		The longer hops are boiled (up to 75 minutes or so), the more isomerization occurs, and the more hop bitterness will be present in your beer.
		International Bittering Units (IBUs) - A measure of the bitterness in a beer.
	www.beertutor.com /glossary/glossary.shtml (1450 words)

	Product Information
		When using hops for bittering, a boil of approximately one hour is recommended to incorporate the bitterness into the wort.
		Homebrew Bittering Units can easily be calculated by multiplying the percent of alpha acid in the hops by the number of ounces.
		Bittering units per gallon would be 3.3 in a 10-gallon batch or 6.6 in a 5 gallon batch, so it is important to note volumes whenever expressing bittering units.
	www.freshops.com /prodinfo.html (851 words)

	The A
		Bitterness is generally proportionate to the ratio of hops to malt.
		HBU Home bittering units.The approximate alpha acids in the beer.This is done by multiplying the alpha acid by the amiount of hops in the boil for more than 15 min.
		International Bittering Units One Bitterness Unit is equal to 1 milligram of iso(merized) alpha acid in one liter of wort of beer.
	www.phancypages.com /newsletter/ZNewsletter518.htm (5374 words)

	BJCP Exam Study Guide (Site not responding. Last check: 2007-10-13)
		Hops are the spicy and bitter counterpart to the malt backbone of beer; they are essential to beer as we know it.
		The IBU is a measure of the concentration of isomerized alpha acids present in the finished beer, and is expressed in milligrams per liter, or parts per million (ppm).
		Bittering hops are usually most efficient at yielding their iso-alpha acids with 60 to 90 minutes of vigorous wort boiling.
	www.mv.com /ipusers/slack/bjcp/study.html (19248 words)

	The Seattle Times: Pacific Northwest Magazine
		Several factors (including yeast type, boiling temperature and minerals in the water) affect the bitterness of beer, but the type and concentration of hops is the most important.
		Bitterness is rated in International Bittering Units (IBUs).
		The aim is to pump up the bitterness and alcoholic content as much as possible, resulting in a thicker, full-bodied, high-alcohol (frequently 7 percent or more) beer.
	seattletimes.nwsource.com /pacificnw/2003/1116/taste.html (990 words)

	St. Louis Brews 1996 Happy Holidays Homebrew Competition
		Hop bitterness apparent but not aggressive, flavor and aroma can be assertive.
		Hop bitterness, flavor, and aroma medium to high.
		Gravity, alcohol, bittering, color: refer to individual classic style beer is based on.
	www.biostat.wustl.edu /~jack/hhhc96 (2982 words)

	Green Bay Rackers--Brewer's Glossary
		The bitterness potential of the hops will be lost over time if they are not stored properly (air tight, oxygen impermeable bags; very cold storage temperatures).
		International Bittering Units (IBUs): A standard for measuring the bitterness of a given beer.
		One IBU = one milligram of isomerized alpha acid in one liter of beer.
	www.rackers.org /terms.shtml (879 words)

	Using Hops, A Brief Guide
		Beer is rated for bitterness in IBUs, which stands for International Bittering Units.
		The IBU is roughly equivalent to milligrams of iso-alpha acids per liter of beer.
		We have adjusted the values from the original article to be more realistic, but if the resulting beer does not have the bitterness you want, make your own adjustment to the utilization factor accordingly.
	www.hoptech.com /uhops.html (870 words)

	New Page 1
		Bittering Hops are high in Alpha Acids (the main bittering agent), typically around 10 percent.
		Bittering Hops are added at the start of the boil and usually boiled for an hour.
		IBUs allow for variation in brewing practices between brewers, yet provide for nearly identical final Hop bitterness levels in the beers.
	www.maltriver.com /recipes.htm (5592 words)

	Warbird Brewing Company - Fort Wayne, Indiana - FAQ's
		First, "bitter" is a perception that is sensed by your tongue and interpreted by your brain.
		When you see the term IBU in reference to beer, this stands for International Bittering Units.
		The point is that the term "bitter" in beer absolutely DOES NOT MEAN "good" or "bad." Bitter is simply a flavor component of beer that balances sweet.
	www.warbirdbrewing.com /faqs/faqs.htm (826 words)

	FAQ 1-4 Answers @ Williams Brewing
		AAUs (Alpha Acid Units) was the original home brewing formula, HBU's (Homebrew Bittering Units) are another name for this same measurement, and IBU's (International Bittering Units) are the most precise, as they account for variations in hop utilization, and are extensively used by commercial brewers.
		One Alpha Acid Unit is represented by 1% of alpha acid in one ounce of hops.
		International Bittering Units (IBU's), are more precise than AAU's, because they take into account the varying effects of boil length and wort density on the extraction of hop bitterness.
	www.williamsbrewing.com /FAQ_1-7_Answers_W10.cfm (5972 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		The brewery is interested in the way that different varieties of hops and different bottling techniques influence the bitterness of the beer and, ultimately, it's drinkability.
		After bottling, the bitterness of each bottle is measured in IBUs, which stands for International Bittering Units--the higher the IBU, the more bitter the beer.
		Use a regression routine to analyze the quantitative effects of bitterness on drinkability.
	www.acsu.buffalo.edu /~comfrank/Beer.txt (361 words)

	SBC: Calculating Hop Bitterness
		The bittering agents in hops are found in the soft resins of the hop flower.
		The bitterness of beer is commonly measured in International Bittering Units (IBUs) representing the the amount in parts per million of dissolved iso-alpha acids.
		Thus, it can be seen that the the bittering potential of hops in beer is a function of the amount of hops used, the amount of alpha acids in the hops, length of the boil time, the volume of wort and the specific gravity of the wort.
	www.strandbrewers.org /techinfo/hopcalc.htm (547 words)

	The Modern IPA
		As the beer market becomes more and more international, styles are no longer bound to their country of origin.
		Unfortunately, the ones at the lower end of the scale taste just like a corresponding bitter or pale ale, with just a bit more hop bitterness added to distinguish them from their siblings.
		Rob Haiber is an international beer judge and style expert who very much admires brewers who put in the bottle what they put on the label.
	www.allaboutbeer.com /style/modern_ipa.html (1732 words)

	Greg Walz' BJCP Study Guide (Site not responding. Last check: 2007-10-13)
		Bitterness extracted during the wort is a function of the alpha acid content of the hop used, the amount used, and the length of the boil.
		This factor, called the International Bittering Unit, IBU (or BU), is determined for each hop addition during the boil, and summed to give a total bitterness factor for the beer.
		Bitterness is in a balance and not as intense as a Stout, and not enough to mask the fruity flavors.
	hbd.org /ford/judging/bjcp.html (20411 words)

	How to Brew - By John Palmer - Glossary
		Equal to the AAU multiplied by factors for percent utilization, wort volume and wort gravity.
		HWE is measured as liter*degrees per kilogram, and is equivalent to points/pound/gallon (PPG) when you apply metric conversion factors for volume and weight.
		The unit describes the change in specific gravity (points) per pound of malt, when dissolved in a known volume of water (gallons).
	www.howtobrew.com /glossary.html (2007 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		Alpha Acid Units (AAU) - A homebrewing measurement of hops.
		International Bittering Units (IBU) - A more precise unit for measuring hops.
		Equal to the AAU multiplied by factors for percent utilization, wort volume and wort gravity.
	www.thbs.intas.net /beer_glossary.htm (447 words)

	The Webtender: Beer.
		London slang for a half pint of mild and a half pint of bitter.
		An internationally-agreed scale for measuring the bitterness of beer.
		A "lite" American lager may have around 10 IBU's, an English mild ale around 20 units, an India Pale Ale 40 or higher, an Irish stout 55 to 60 and barley wine 65.
	www.webtender.com /handbook/beer.html (777 words)

	Press: Spawn of the Sockeye (Site not responding. Last check: 2007-10-13)
		Aside from contributing hop flavor, hop aroma and bitterness to a beer, hops are also an antiseptic.
		The bittering ability of a hop is measured in what are called International Bittering Units, or IBUs.
		The hops are apparent in the wonderful floral nose on the beer, followed by a nice compliment of citrus hop character in the taste, and a spicy bitterness around the edges.
	www.anchoragepress.com /archives/document9a86-2.html (847 words)

	Glossary
		Hops are the cone-like flowers of the female hop vine, and are used to balance the sweetness of the malts with the bittering qualities of the hop resins.
		The orangey, soft resin in hops which is primarily responsible for the bittering properties of the hops.
		Unlike HBUs and AAUs, which are a measure of the bittering potential of hops, and only an estimation of the amount of bitterness in the actual beer, IBUs are an accurate measure of the actual level of bittering in the beer.
	www.rpi.edu /dept/chem-eng/Biotech-Environ/beer/glossary.htm (2657 words)

Try your search on: Qwika (all wikis)