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All terms: Mibi II, microbiology
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Wirkungsspektrum Antibiotikum	An diesem Versuch wird ersichtlich bei welcher minimalsten Konzentration des Antibiotikums...
Antibiogramm	11.12.02 / 8. Kurstag / 14 Protokoll Antibiogramm
Quantitative Bestimmung von Tetracyclin	Dieser Versuch beruht auf der Tatsache das der Hemmhofdurchmesser proportional zumLogarithmus der...
Ermittlung der minimalen Hemmkonzentration eines Antibiotikums	An diesem Versuch wird ersichtlich bei welcher minimalsten Konzentration des Antibiotikums...
Bestimmung der Keimzahl eines Gewürzes mittels MPN-Verfahren	06.11.02 / 3. Kurstag / 7. Protokoll Bestimmung der Keimzahl eines Gewürzes mittels MPN-Verfahren
Konzentrationsabhängige Wirkung von Desinfektionsmitteln auf verschiedene Testkeime	Bei einer desinfizierenden Wirkung entstehen auf einer dicht beimpften Agarplatte nicht bewachsene...
Phagennachweis mittels Weichagar - Methode	Die Infektion einer Bakteriensuspension mit Phagen ist zu erkennen, wenn auf eine Schicht aus...
Photometrie	Aus einer Verdünnungsreihe wird in einem Parallelansatz die optische Dichte (zwichen 500 - 600 nm...
Bestimmung der Zellzahl mittels Thoma-Kammer	Zellzahlbestimmung durch Auszählung der in einer Suspension enthaltenen Keimzahl, mit Hilfe des...
Koch'sches Plattengußverfahren	Ermittlung der Anzahl der kolonienbildenen Einheiten (KBE), die einen Rückschluß auf die...
Drop-Plating	- Herstellung einer Verdünnungsreihe in dekadischen Schritten - Auftragen der Suspension auf...
Oberflächenspatelverfahren nach Drigalski	Aufbringen einer Hefesuspension auf einem Nährboden via Drigalski-Spatel. Es soll die Auswirkung...
Hefebestimmung mit Hilfe eines Auxanogramms	Flüssige Nährmedien werden zur Prüfung der Vergärbarkeit und feste Nährböden (Agarplatten) zur...
Betriebshygiene	Um die Qualität von Lebensmitteln, pharmazeutischen Produkten etc. gewährleisten zu können ist...
Luftanalyse - Sedimentationsverfahren	Luftkeime fallen im Raum aufgrund der Schwerkraft mit der Zeit nach unten, sie sedimentieren....
Stichkultur	In einem sich in einem Reagenzglas befindlichem Thioglykolat-Agar wird eine MO "eingestochen"....
Chemisches Verfahren zur Schaffung einer sauerstofffreien Atmosphäre	Da Anaerobier nur in Abwesenheit von Sauerstoff überleben können, ist die Schaffung einer...
Biologische Entfernung von Sauerstoff	Das Prinzip beruht auf der Tatsache, daß ein fakultativ aerober MO, in diesem Fall eine Hefe, den...

All terms: allgemein, microbiology
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Nährmedien im Mibi Praktikum	Das Dokument enthält eine Liste aller Nährmedien die während des Mibi I + II Praktikums dran...
Mibi I Bakterienliste	Die Liste aller Bakterien welche während des Mikrobiologie I Praktikums durchgenommen werden gibt...

All terms: brewing technology, brewhouse seminar papers
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Disinfection of brewing liquor	Disinfection ensures that the brewing water does not contain harmful microorganisms. Compared to...
Influence of malt on the brewhouse process	The quality of the malt is one of the most important criteria for the beer production. This is...
Influence of pH adjustment during mashing	Every enzyme has its optimum pH and temperature. On the other hand the modification of the...
Modern refrigeration systems in the brewery	During beer production there are some parts you have to produce coldness; for example at wort...
Importance of the ß-glucan solubilase during the production of wort	The ß-glucan solubilase is a cytological enzyme. During cytolysis ß-glucan is dissolved from...
Use of industrial enzymes in the brewhouse	Industrial enzymes, prepared from microorganisms, find a variety of uses in brewing, for example...
Survey of modern wort boiling Systems	Modern boiling System can be divided into two groups: - Outside boilers - Inside boilers Belonging...
Cleaning and desinfection in the brewery	The cleaning and desinfection in the brewery serve for neatness of the working equipment and the...
Gushing – Inuencing factors and countermeasures	Since beer has been bottled, gushing has been a recurring phenomenon. From time to time and many...
Brewing liquor treatment	There are three main reasons for treating the Brewing Liquor: To get the maximum benefit from the...
Arguments of cold trub removal - Pro and Contra	When I decided myself for further education in brewing technology, I asked a friend of mine (he’s...
Methods of continuous wort production	Productivity in the brewing sector has witnessed a steep increase during the last decades, but as...
Production, packaging, types and usage of hop extracts	Hop is one of the important raw materials in producing beer. Hop or hop products are given in all...
Quality control in the brewhouse	The quality control in the brewhouse is a very important thing. Today it is talked more about...
Isomerized Hops	In former times hops are used in an unprocessed form (whole hop cones). But there are many...
Evaluation and utilization of spent grains	Spent grains are produced by the extraction of malt. By the extraction of malt the soluble parts...
Energy savings in the brewhouse	Since the energy crisis in the 1970’s there was a steady increase in costs for primary energy. And...

All terms: brewing technology, malting seminar papers
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The morphological cornposition of careals suitable for brewing	The following seminar paper attends to the morphological composition of cereals, which are used in...
The Influence of temperature, steeping degree and time on the cytolytic modification properties of malt	The basic aim of malting technology is to cause a formation and activation of enzymes with the...
Use of inorganic and organic inhibition additives	Out of the conventional malting proceedings as it is done in Germany because of the German purity...
Description of continous malting Systems	In malt houses different system for the production of malt are used, divided in half and full...
Malting Loss	Malting loss is defined as the loss of weight from steeped barley to fresh cleaned malt. The...
Special Malts	In Germany and Europe the most taken cereal to brew beer is barley followed by wheat. But why? Is...
Special procedures for barley	First it is to say that a whole grist load of malt from abraded barley is only useful for...
Grainstorage	The supplies of malting barley of uniform quality for storage in the course of the hole year...
Gushing in beer	Gushing, the spontaneous ebullition of beer after opening the bottle, is a serious problem for all...
Meaning of proanthocyanidin-free barley	For ordinary the beer customer awaits of his beer a good quality with a special flavour, a certain...
Consumption of energy and water in the malthouse	In history the malthouses become more technical. The work of the human being now will be done by...
Specifications of the delivery of barley to maltsters and of malt to brewers	As it is known, barley and its product malt is one of the main raw material for the brewing...
Phospates in malt	Phosphate is a mineral and compared to the other compounds of barley is the amount of minerals...

All terms: brewing technology, fermentation seminar papers
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Formation of esters during fermentation	The esters are known to be key compounds for the beer aroma which are formed during the...
Formation and reduction of vicinal dicetones during fermentaiton	The taste and the flavour are determining for the quality of any alcoholic beverage. A wide range...
One-tank fermentation	In the year 1968, for fermentation the first CCT was recommended(1). Through CCT's is it possible...
Influence of yeast dosage on beer quality	During the last decades the demand knowing the exact amount of yeast used for fermentation was...
Control parameters during fermentation and maturation	In every industrial or handicraft process control parameters during production are needed to know...
Changes during maturation and technological measures	Through out the last years many new technologies came up the market. There are several processes...
Non alcoholic beers - thermal methods	For a long time beer was or even is defined as a product made from fermentable atural raw...
Production of top fermented beers	The number of top fermented beers is much higher and more different than bottom fermented beers
Effect of zinc and other metals on yeast growth and fermentation	Inorganic substances, such as metal-ions, play a vital role in the functioning of cells. They are...
Reverse carbohydra in yeast metabolism	Yeast, as all other organism, has to make preparations for survive hard times. For this purpose...
Influence of yeast dosage on beer quality	During the last decades the demand knowing the exact amount of yeast used for fermentation was...
Control parameters during fermentation and maturation	In every industrial or handicraft process control parameters during production are needed to know...
Losses of bitter substances during fermentation and beer production	Losses in the production are usually expressed in percentages of the original amount of something...
Changes of phenolic compounds during fermentation	Phenolic compounds are of considerable significance in brewing. Its most important aspect is in...
Beer Analysis	In all German breweries the investigations relating to the beer quality are done after the...
Survey of different fermentation systems	Fermentation is the process by which fermentable carbohydrates are converted by yeast into alcohol...

All terms: brewing technology, filtration seminar papers
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Methods to improve filtration	The filtration is the last step in the production of beer which determines the quality of the...
Filtration standard systems	Before the filter-apparatus was invented in 1879 by Lorenz Adalbert Enzinger the beer had to be...
Modern filtration systems	The filtration is a very important step in the production of beer. There are many haze forming...
Stabilization without additives	The term of “beer stability” comprises many factors when it comes to conserving the quality...
Reducing substances in beer	The mechanism of stale flavour development in beer and ways to inhibit staling have long been of...
Head retention - theory and analysis	Foam is the most obvious quality attribute of beer. To produce an optimal foam the brewer need to...
Tasting - basics and procedures	The tasting is an very important procedure before beer leaves the brewery and reaches the consumer...
Production of wheat beer	The top fermentation is the oldest method to produce beer. Since the 70th the production of wheat...
Theory of Filtration (Poiseuille, Ergun, formation of the Filtercake)	An important characteristic quality of beer is its brightness and its product durability. The beer...
Filter aids Kieselguhr, Perlite, Cellulose etc.	Filtration belongs to the oldest technical treatment. It is just a separation of solid and liquid...
Sterile Filtration [comparison of different system, sheet filter, MMS, membrane filtration]	Since Enzinger introduced the filtration in 1878 many new originations came up. [8] Through the...

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