white. It is because the protein in egg white undergoes denaturation‚ the cross linkage(the hydrogen bonds‚ ionic bonds and disulphride bonds) which maintain the protein shape destructed‚ so protein lose its tertiary conformation. This denaturing process is very important‚ because before protein can be used in digestion they must be unfolded. Part A: denaturation of egg white Aim: To examine the factors on the effect of denaturation of egg white. Principle: As protein denaturation can be cause
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EXERCISE 3: DIFFERENTIAL PROTEIN PRECIPITATION Vanessa Andrea Estepa University of Mindanao‚ College of Science and Mathematics ABSTRACT: Denaturation is the disruption in the original conformation of the protein wherein the secondary‚ tertiary and quaternary structures are all affected. Denaturation is brought about by various kinds of physical and chemical means; this includes the addition of strong acids‚ heavy metal cations‚ alkaloidal reagents‚ salting out and addition of organic solvents.
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Pre-lab 1: Identifying Carbohydrates Abstract The point of this lab is to determine if a substance contains carbohydrates such as a reducing sugar and/or polysaccharides. This will be done by using Benedict’s reagent and Iodine stain tests. Benedict’s reagent will react to reducing substances in the solution by oxidizing it and changing the structure of the reducing sugar to form a colored precipitate. The color of this precipitate can be used to determine the concentration of reducing sugars in
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Protein Hydrolysis and Characterization Group 7 Niez‚ Robert Francis‚ *Orbin‚ Alfonso Ricardo* Parro‚ Athena Emmanuelle Peralta‚ Christian Department of Biological Sciences‚ University of Santo Tomas‚ Manila‚ Philippines • Abstract Hydrolyzed Protein is protein that has been hydrolyzed or broken down into its component amino acids. While there are many means of achieving this‚ two of the most common are prolonged boiling in a strong acid (acid-HVP) or strong base or using an enzyme such
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Intact protein and base hydrozylate have different color reactions when subjected into various tests. The protein used is Casein which was isolated from milk. Color reactions ‚in these test‚ gives off the information about the composition of a protein. Results often varies from being positive to one and negative to another since one has its peptide bond intact while the other is broken. The different tests that are used in this experiment are : biuret test‚ Sakaguchi test‚ ninhydrin test‚ xanthoproteic
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identities such as male/female‚ Belgian/Italian‚ student‚ etc. Before the task‚ participants completed the first questionnaire. Participants were asked to describe in a paragraph about the feelings that arises from the thought of their death in the mortality salient condition. Whereas
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Abstract The activity of invertase and the quantification of albumin and casein were performed and analyzed after extraction of the said proteins from their respective sources. Isolation of proteins was initiated by the breakage of the cell wall / membranes in three different ways. Homogenization of invertase‚ albumin and casein were achieved via grinding process‚ addition of 1M acetic acid and acidification by 0.1M hydrochloric acid correspondingly. Extraction of invertase and casein involved
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* Training the class on how to make a tasty protein shake * Main interest is working out and staying active * Before I get any further I want to list the training objectives and they are the process and ingredients used to make a shake‚ the benefits and common mistakes. * Just get a general view of the audience‚ HOW MANY HAVE TRIED WHEY OR SOY BASED PROTEIN BEFORE? AND YOUR EXPECTATIONS ON THE TASTE? * What you need to make a protein shake? Why Banana (sweet when ripe and added potassium
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Practical 1 : Carbohydrates Introduction : Carbohydrates are important to human life ‚ this practical is to investigate physical ‚ functional and sensual properties of different carbohydrates ‚ including monosaccharides and disaccharides . Experiment 1 Title : Relative Solubility of Carbohydrates ‚ Glucose ‚ Galactose and Lactose . Objective : To determine the relative solubility of glucose ‚ galactose and lactose by measuring their saturation point at the same constant temperature.
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During protein digestion‚ a water molecule is added which breaks down the carbonyl-carbon-nitrogen sin the peptide bonds of proteins causing the liberation of amino acids. This process is referred to as proteolysis. Water molecules break down the carbonyl-carbon-nitrogen single bond (peptide bond) that holds single amino acid molecules together (Caroline Ritchie‚ 2013. This process is called hydrolysis and is catalysed by protease. The three main protease enzymes produced during digestion are pepsin
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