hydrolysis of Starch Abstract This experiment consisted of setting up a control group of starch in various temperature and then placing both fungal amylases and bacterial amylases in a mixture of starch and placing the solution of amylase and starch in various temperatures of water. After a certain amount of time- different amount of time needs to be used in order to have reliable results- iodine is added in a well on spot plates‚ then two drops of the mixture of amylase-starch is added from
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materials which are seldomly used in a more different way and utilize it to make a new product which could yield useful results. Moreover‚ the main purpose of this study‚ is to make plastic that can be decomposed easily since it uses raw materials‚ to use starch instead of chemicals and to utilize some of the solid wastes in our society. BACKGROUND OF STUDY Plastic is a versatile and potentially indestructible material‚ which makes it ideal for a number of commercial and
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LA SALLE GREEN HILLS Comparative Study Between the Bioplastic Properties of Agar-Agar (Gelidium amansii) and Potato (Solanum tuberosum) Starch Submitted by: Kyle Emmanuel A. David Rynno Gabriel Luis T. Garde Justin Carlo P. Gregorio Rufo Angelo M. Mauricio III Christian Michael A. Perreras II-B Submitted to: Miss Alvie Diaz Submitted on: January 30‚ 2012 ABSTRACT Bioplastic is a form of plastic derived from renewable biomass
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Comparison of Starch Content Among the Selected Crops: Gabi/Taro (Colocasia esculenta)‚ Sweet Potato (Ipomea batatas) and Potato (Solanum tuberosum) GROUP VIII - 3A Caramel R. Arcillas Jhazel Pink L. Alcaraz April Mae N. Mapute Crisha Sein R. Atienza Jesse Orven J. Tumambing RESEARCHERS Mrs. Grace R. Guaves ADVISER ACKNOWLEDGEMENT This study would not have been possible without the guidance and the help of several individuals who in one way or another contributed and extended their valuable
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Starch can be hydrolyzed into simpler carbohydrates by acids‚ various enzymes‚ or a combination of the two. The resulting fragments are known as dextrins. The extent of conversion is typically quantified by dextrose equivalent (DE)‚ which is roughly the fraction of the glycosidic bonds in starch that have been broken. These starch sugars are by far the most common starch based food ingredient and are used as sweetener in many drinks and foods. They include: Maltodextrin‚ a lightly hydrolyzed (DE
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“Is Starch Permeable in Cells? Abstract This report presents the weights of 3 samples of water with various amounts of solute after the use of osmosis. Three different tests were performed‚ each with a beaker of water containing varying amounts of starch from 30% concentration (12.5 grams of water) to 15% concentration (9.5 grams of water)‚ and then 0% (10.5 grams of water). To start this experiment‚ we put water into a make-shift dialysis tube‚ a type of semi-permeable membrane tubing made
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Introduction: In this lab i used glucose and starch to show if the cell membrane is permeable‚ impermeable‚ or selectively permeable to these substances. Dialysis tubing is a plastic like substance that has small pores in it. These pores allow certain chemicals to flow into and out of the cells. The size of the molecule determines what goes through the tubing. On of the materials that we will be using is glucose. glucose is a simple sugar that easily dissolves in water. To test for the presence of
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how starch and cellulose are treated to allow them to be used by the yeast? One potential ethanol feedstock is starch. Starch molecules are made up of long chains of glucose molecules. Thus‚ starchy materials can also be fermented after breaking starch molecules into simple glucose molecules. Examples of starchy materials commonly used around the world for ethanol production include cereal grains‚ potato‚ sweet potato‚ and cassava. A great amount of ethanol fuel is currently produced by starch
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weight allow separation of polymers from their monomers. Methods of dialysis and gel filtration chromatography will be used to separate a glucose monomer from a starch polymer. Colorimetric glucose oxidase assay will be used to monitor the presence of glucose and a colorimetric iodine assay will be used to monitor the presence of starch in prepared solutions after separation Results and Discussion Table 1: Glucose oxidase assays |Reagents |Volume (mL)
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found in saliva that acts on starch to begin the digestion process (Stick and Williams‚ 2009). Amylase acts on starch by breaking off maltose (C12H22O11) molecules from the end of starch chains (Di Giuseppe‚ 2002). Every time a bond is broken in a starch chain‚ a water molecule is consumed. This process is referred to as a hydrolysis reaction which requires water to digest a substrate‚ in this case starch (Walsh‚ 2002). Phosphorylase is also an enzyme that acts on starch by removing glucose molecules
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