"Optimal temperature and ph barley amylase" Essays and Research Papers

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    Barley

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    benefits. Barley‚ a high-fiber and high-protein grain‚ is one of the most important and common cereal grains used for human food. Barley looks similar to wheat‚ however‚ barley has longer awns and it is often more yellowish in color. Most barley has a rough‚ inedible outer hull around the barley kernel. When it is hulled‚ it is tan in color and oval shaped. When cooked‚ barley has a rich nutlike flavor and a desirable chewy‚ pasta-like texture‚ which is the result of its gluten content. When barley is fermented

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    Amylase

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    effect of pH on amylase activity This practical allows you to: * discover how pH affects the rate of an enzyme controlled reaction * evaluate the experimental procedure Procedure SAFETY: Follow your teacher’s instructions for handling the solutions. Wear eye protection when handling the iodine solution. Investigation * Place single drops of iodine solution in rows on the tile. * Label a test tube with the pH to be tested. * Use the syringe to place 2 cm3 of amylase into the

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    Salivary Amylase

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    Activity of Salivary Amylase Domingo‚ Guray‚ Hugo‚ Lorenzo‚ Mohammad Isa Intro Because everything has a start Catalysis  The process of increasing the rate of reaction with the use of a catalyst.  Catalyst – any substance that increases rate of reaction upon addition to a certain reaction Page  3 Enzymes  Act on substrates in a reaction  Highly specific  Breaks down complex macromolecules‚ synthesizes compounds essential for the cell  Active site  Enzyme-substrate

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    Correlation between the chemical activity of Amylase and change in temperature ABSTRACT This experiment focuses on how the change of temperature affects the rate of reaction of amylase. In the experiment there were four different environments that each contained 2 test tubes. Each test tube consisted of the same concentration and amount of starch and amylase. After having each test tube placed in these environments for several minutes a droplets of each mixture was placed onto each slot which

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    OF THE OPTIMAL CONDITIONS FOR STARCH HYDROLYSIS THROUGH THERMOSTABLE α - AMYLASE T. Kolusheva‚ A. Marinova University of Chemical Technology and Metallurgy 8 Kl. Ohridski‚ 1756 Sofia‚ Bulgaria E-mail: e-mail: manahova@abv.bg. Received 10 July 2006 Accepted 12 November 2006 ABSTRACT The present work determines the optimal conditions for starch hydrolysis by thermostable α -amylase (EC 3.2.1.1) produced by Bac.subtilis strain XÊ-86. The hydrolysis reaction has the greatest rate at pH = 7.0

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    Concentration‚ pH and Temperature on Enzyme Activity Biology For Majors October 4‚ 2012 Abstract We examined the reaction an enzyme has when its concentration‚ pH and temperature are altered. In order to do this‚ we added different levels of pH into different test tubes with the enzyme (sucrose)‚ and substrate (sucrose)‚ and we then inverted the tube. The higher pH produced more enzyme activity. Temperature effects enzyme activity by decreasing its stability when the temperature increases.

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    enzyme‚ ’-amylase in starch-iodine solution. We will be testing the relationship between enzymatic reaction affected by temperature and pH. Through the testing the enzyme at different temperatures‚ and different pH levels; it would determine at which temperature and pH level the enzyme worked the most efficiently. Analyzing absorbance of the solutions with spectrophotometery will determine the reaction rate. To test the optimal pH‚ the starch and a buffer were combined at a specific pH level and

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    Amylase Lab

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    focused on determining the optimal temperature of the enzyme amylase responsible for catabolizing starch polymers and to see how different temperatures affected the rate as well as how effectively the enzyme worked. To proceed with the experiment the group set up four different test tubes for each‚ bacteria and fungal amylase‚ and labeled them accordingly with different temperatures as well as different solutions . Then the spot plates were placed on the time and temperature table created with napkins

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    Alpha Amylase

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    Identification of unknown a-Amylase through testing different temperatures and pH values to detect the absorbance of maltose. Introduction: Enzymes are biological catalysts‚ mainly proteins for this experiment‚ generated by an organism to speed up chemical reactions. They have active sites on which the substrate is attached‚ and then broken up or joined. For this experiment we are going to work with the enzyme a-amylase. Amylase is an enzyme that breaks starch down into sugar. Amylase is present in human

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    Amylase Trials

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    these may include temperature because if its too cold the enzyme would still work but it would work slowly and if its too hot the enzyme will become denatured. As the temperature increases‚ the kinetic energy of the molecules increase so they move around more meaning that there are more collisions between the enzymes and substrates molecules and therefore more reactions. pH is a factor because the different types of enzymes work best in different pH environments‚ a change in pH interferes with the

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