"Study of digestion of starch by salivary amylase" Essays and Research Papers

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    The role of salivary amylase in the digestion of starches remains controversial. In the absence of pancreatic amylase‚ the key enzyme for starch digestionsalivary amylase may well represent a potential compensatory alternate pathway for the digestion of amylose‚ amylopectin‚ and glycogen. Clinically significant depression of pancreatic amylase occurs in chronic pancreatitis‚ pancreatic resection‚ pancreatic neoplasm‚ cystic fibrosis‚ and other causes of pancreatic insufficiency. Quantitation

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         CHEM 1021  BREAKING DOWN STARCH USING SALIVARY AMYLASE  Caution:    You  will  be  using  a  Bunsen  burner  and  glassware  to  create  your  own  constant  water  bath.   Appropriate  caution  should  be  exercised  when  dealing  with  the  Bunsen  burner‚  hot  water‚  and  glassware.  Purpose:  Many plants store their energy in the form of starch‚ a polysaccharide made from repeating  units of the monosaccharide glucose.  Our bodies break down starch into the individual glucose units

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    2013 Title: Starch Digestion by Pancreatic Amylase Statement of the Problem: What happens to enzymes when they are boiled? If digestion doesn’t occur‚ which will be present starch or maltose? If digestion does occur‚ which will be present starch or maltose? Hypothesis: I predict that when enzymes are boiled‚ they will become larger. If digestion does not occur starch will be present‚ and if it does occur maltose will be present. Materials: Test Tube Boiling Water Starch Suspension

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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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    Salivary Amylase

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    Suzuki‚ Laurent Santos‚ Val Justin D.M. Tongco* College of Science‚ University of Santo Tomas‚ Manila Philippines Abstract Salivary amylase‚ found in humans‚ is enzyme that catalyzes the hydrolysis of starch into simpler compounds. Its enzymatic activity is affected by several factors‚ such as temperature and pH. The rates of enzymatic activity of salivary amylase in different temperatures and pH were measured and resulted to be very near 50 C and 7 respectively. However‚ due to some errors

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    SALIVARY AMYLASE

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    activity of Human saliva (Salivary amylase) against Temperature Proponent: Ian Angelo P. Dela Cruz BS-Biology 1-3 Prof. McJervis S. Villaruel Professor – BIOL2015(Lab) ABSTRACT This report entitled “Enzymatic activity of Human saliva (Salivary amylase) against temperature” aims to know and observe the enzyme activity of the human saliva. The research only included the use of starch-agar as the medium to observe enzyme activity during the experiment. Five starch-agar plates were prepared

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    Digestion of Starch

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    Cynthia Vang Derrick 24 Title: Digestion of Starch Problem: Hypothesis: If synthetic saliva breaks down the cracker the most Then more of the cracker should be digested Because synthetic saliva contains amylase‚ and amylase helps break down complex carbohydrates. Interpretation: Data Table: The results of the iodine and Benedict’s tests for the Carbohydrate lab Test Tube contents and number Color of iodine test Color of Benedict’s test How much is present? 0= none 1= present

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    Introduction: The purpose of this lab was to check the time needed for salivary amylase and phosphorylase to produce a negative result and how different concentrations affected those times. Enzymes are biological catalysts that can cause a specific chemical change in any part of the body (Walsh‚ 2002). Many of the reactions that take place within a cell would normally take place at temperatures substantially higher than those present inside a cell (Alberts et al.‚ 2010). Because of this‚ these chemical

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    Experiment 2: Starch Hydrolysis by Amylase Theoretical Background Polymers of carbohydrates are called polysaccharides‚ and make up some of the most important naturally occurring compounds [1]. They have thousands of monosaccharide units linked to each other by oxygen bridges. They include starch‚ glycogen‚ and cellulose‚ all three of which yield only glucose when completely hydrolyzed [2]. A B Figure 1. Starch (amylose) (A) and cellulose (B) Starch occurs

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    The enzyme that involved in the reaction is salivary amylase. The action of amylase on starch is with the mixture of IKI (iodine and potassium iodide test).Starch solution will have a blue-black colour in the mixture but no changes in colour for maltose solution. When hydrochloric acid (HCl) is added to the starch solution‚ the color will

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