Essays Tagged: "Yeast"

A little rundown on Brew

Historically hops, yeast, malted barley, and water have all played the greatest and most important role in society. For ... e rain. When wet, the dissolved starches and sugars in the malted barley became susceptible to wild yeast, which started spontaneous fermentation (5). The discoverer of this new mix probably tasted it ... The bible's references to unleavened bread suggest that the isolation and deliberate use of yeast was known at the time of Moses. A professor even wrote that beer is mentioned in the book of E ...

(8 pages) 92 0 4.5 Jan/1994

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

This is a report over alchol and alcholism.

was made back in 4,000 BC. Today, theworld drinks about 30 billion gallons a year. Beer is made of yeast, waterand hops and some other ingredients. Beer has a 2-6 % alcohol content.Manufacturers let ...

(1 pages) 34 0 3.8 Mar/2003

Subjects: Humanities Essays > Health & Medicine > Drugs

The vitamin b5.

d aging.SOURCESB5's main sources are in eggs, kidney, liver, salmon and the best source of b5 is in yeast.B5 can be stored in the liver and if present in shampoo it can improve the condition of hair.O ...

(1 pages) 51 3 4.0 Mar/2003

Subjects: Science Essays > Chemistry

Chemistry of Beer

[stresses] dangerous intoxicant? Beer consists of three main chemical proportions: barley, hops and yeast [water is excluded]. It is through these three rudiments that an observation can be made that ... ries of biochemical reactions must take place to convert barley to fermentable sugars, and to allow yeast to live and multiply, converting those sugars to alcohol. The barley also, needs to germinate ...

(4 pages) 69 0 4.0 Mar/2003

Subjects: Science Essays > Chemistry

The Effect Of Substrate on Enzyme concentration

ing water and hydrogen peroxide, label each of them clearly"h Remember to wash hands after handling yeast suspensionFAIR TESTTo ensure that a fair test is carried out the following must be observed"h ... ng must be observed"h Make sure fixed variables are not altered"h Make sure that when the volume of yeast and water is changed and then added to hydrogen peroxide the total volume is 8 cm3."h Make sur ...

(11 pages) 57 0 4.2 Feb/2004

Subjects: Science Essays > Biology

An analysis of immobilised enzymes and suspended enzymes

mmobilised Enzymes Coursework(See graph for Results)Interpretation of resultsIt would seem that the yeast suspension was very much faster acting than the immobilised yeastThe yeast suspension reached ... hed a distant of four hundred and thirty squares over the 30 minute period, whereas the immobilised yeast only reached a distance of one hundred ad thirty six squares.Also within the first twelve minu ...

(2 pages) 36 0 3.0 Mar/2004

Subjects: Science Essays > Biology

A comparison of the respiration of yeast in different sugar substrates.

Biology Fermentation Practical"A comparison of the respiration of yeast in different sugar substrates"Aim: The aim was to compare the respiration of yeast in differen ... racteristics of the commonly occurring disaccharide, maltose.Prediction: I think the respiration of yeast is affected by the size of the sugar. Therefore I think that the rate of CO2 Carbon (Dioxide) ... f the sugar. Therefore I think that the rate of CO2 Carbon (Dioxide) produced by the respiration of yeast will be quicker with the glucose, (monosaccharide) than, in comparison with the rate of CO2 pr ...

(18 pages) 107 0 4.5 Apr/2004

Subjects: Science Essays > Biology

Overview of Beer Industry in America - Beer Industry overview as well as how Anheuser-Busch and others have stayed on top.

t to be the keepers of the Bible and a basic form of beer. Before Louis Pasteur, only wild air born yeast was used. But Americans needed more. Thomas Jefferson, a revolutionary thinker of America's pa ...

(6 pages) 368 0 4.9 Apr/2004

Subjects: Businesss Research Papers > Marketing

The Krispy Kreme doughnut recipe

ant and sent out to the 200 plus Krispy Kreme shops. At these locations the dough is mixed with the yeast and made into the famous doughnuts.The various Krispy Kreme shops begin the production of doug ...

(1 pages) 83 3 4.3 Apr/2004

Subjects: Humanities Essays > Language Studies > Writing

Timeline of Biotecnology

lothing. We have used the biological processes for 6,000 years to make useful food products such as yeast material--to make bread rise and to ferment beer and wine.About 150 years ago, an Austrian mon ... rst cultivated for food40002000 BC Biotechnology first used to leaven bread and ferment beer, using yeast. (Egypt and Mesopotamia) Production of cheese and wine (Sumeria, China and Egypt)500 BC First ...

(4 pages) 54 0 4.3 May/2004

Subjects: Science Essays > Biology

Poem of an Yeast Cell's Life

Here is a story of a lone HBT yeast (Bob) cell,Who really had a nice smell.He was born kind of weird,But there was nothing strange ... dictate.Diploid S. cerevisiae has chromosomes of 16,That will increase with sporulation and mating.Yeast can be used to make tasty food,But by itself, it tastes very rude.Some cells can hurt,But most ...

(1 pages) 25 0 0.0 Oct/2004

Subjects: Science Essays > Biology

Cell Membrane

cells. The cell is the basic unit of life.Many organisms such as bacteria, amoeba, some algae, and yeast are composed of only a single cell. The single celled organisms are described as being "unicel ...

(5 pages) 71 1 5.0 Feb/2005

Subjects: Science Essays > Biology

To find out the optimum pH at which the enzyme catalase would best break down hydrogen peroxide.

catalase for the investigation. The four choices of sources which were available were liver, apple, yeast and potato. Each source was cut up into 1cm3 sections and placed in four separate test tubes w ... Degree of bubbling Number of timesrelights glowing splintpotato normal 1apple little 0liver a lot 7yeast Quite a lot 3As the result show above, the potato was considered to be the best source to be u ...

(11 pages) 53 0 4.3 May/2005

Subjects: Science Essays > Biology

An Investigation into how the Concentration of Substrate will affect the Rate of an Enzyme Controlled Reaction

ts the rate of reaction between the hydrogen peroxide, and it's enzyme, catalase, which is found in yeast. There are many other factors which will affect the speed with which this reaction can take pl ... lace.These include;-The concentration of the substrate (Hydrogen peroxide)-The concentration of the yeast solution-The temperature of both the substrate and of the yeast solution-The ph of the substra ...

(14 pages) 44 1 1.0 Apr/2006

Subjects: Science Essays > Chemistry

Genetically Modified Food

in whole or part from a genetically modified organism such as crop plant, animal or microbe such as yeast. The areas which could most be harmed by introducing GM were health, environment, people and a ...

(3 pages) 105 0 3.7 Apr/2006

Subjects: Science Essays > Agriculture


term 'Biotechnology'?Biotechnology can be defined as the use of microorganisms, such as bacteria or yeasts, or biological substances, such as enzymes, to perform specific industrial or manufacturing p ... Biotechnology has been around for thousands of years, for example to make bread, a living organism, yeast, is added to make the bread rise. The yeast eats the sugar in the bread material and gives out ...

(3 pages) 74 0 3.6 May/2006

Subjects: Science Essays > Biotechnology

Essay on how a sourdough relates to government.

es attention to detail when storing and kneading because if the starter is too warm or too cold the yeast will die and if it is not kneaded properly it will not have enough gluten in it.Another way a ...

(1 pages) 340 0 0.0 Nov/2006

Subjects: Literature Research Papers > Creative Writing


Materials and Procedures: a. A plastic tube 1x3 inches.b. Plastic Screen c. Yeast as a food source d. Sponge lid e. Agar f. Water g. Ebony/Wild ... ar so the flies don't end up falling in to this possibly fatal agar solution. Add a small amount of yeast to the agar this way the flies are provided with the necessary food requirements. To transplan ...

(3 pages) 15 0 0.0 Mar/2001

Subjects: Businesss Research Papers

Effect Of Temp On Yeast

ology Coursework This experiment will find out how temperature effects the rate of reaction between yeast and glucose.The reaction is as follows C6 H12 O6 yeast 2C2H5OH + 2CO2 Glucose Ethanol + Carbon ... red and can no longer combine with substances."¢ Enzymes; An increase in the amount of yeast cells leads to an increase of zymase enzymes and this means an increase in the amount of molec ...

(9 pages) 15 0 0.0 Aug/2001

Subjects: Science Essays > Chemistry

Is The Chip A Thing Of The Past?

al desire to create gold from lead, our friends acquaintance had thrown random ingredients of Hops, yeast, sugar and water in a bucket and forgot about it. When our friend became a nuisance by declari ...

(2 pages) 421 0 3.0 Feb/2008

Subjects: Art Essays > Film & TV Studies