Objective: 1) To test the presence of reducing sugars which is glucose in the Benedict’s test. 2) To test the presence of non-reducing sugars which is sucrose by using Hydrolysis then Benedict’s test. 3) To test the presence of the starch by using iodine test. 4) To test the presence of lipids in corn oils when using the Sudan Ш and Emulsion tests. 5) To test the presence of proteins in an egg albumen in the Biuret’s test. 6) To test the presence of Vitamin C and ascorbic acid in the DCPIP
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of carbohydrates GroupPropertiesExamples Monosaccharides general formula:(CH20)n(n = 3 to 0)Small molecules with low molecular mass; sweet tasting; crystalline; readily soluble in water.Trioses‚ e.g. glyceraldehyde (C3H603)Hexoses e.g. glucose‚ fructose (C6H12O6) Disaccharides general formula:2[(CH2O)n] - H2OSmall molecules with low molecular mass; sweet tasting; crystalline; soluble in water‚ but less readily than monosaccharides.Sucrose‚ maltose‚ lactose‚ all with the general formula C12H22O11
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experimental results. 6) To learn the meaning of some scientific terms used in experiments. Materials: (as projected on screen) Method/ Procedure: I. CARBOHYDRATES: REDUCING SUGARS The reducing sugars include all monosaccharides‚ such as glucose and fructose‚ and some disaccharides‚ such as maltose. Test Benedict’s test Add 2cm3 of a solution of the reducing sugar to a test-tube. Add an equal volume of Benedict’s solution. Shake and place into boiling water. Boil for 2-5 minutes; shake continuously
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Lab 04: Sugar Respiration in Yeast Sugars are vital to all living organisms. The eukaryotic fungi‚ yeast‚ have the ability to use some‚ but not all sugars as a food source by metabolizing sugar in two ways‚ aerobically‚ with the aid of oxygen‚ or anaerobically‚ without oxygen. The decomposition reaction that takes place when yeast breaks down the hydrocarbon molecules is called cell respiration. As the aerobic respiration breaks down glucose to form viable ATP‚ oxygen gas is consumed and carbon
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How to live a healthy lifestyle A healthy life will make us feel better and simply live longer ‚ because our body is a complex set of systems that strive for balance . When our body is in balance we feel good and healthy . Therefore ‚ one of the biggest benefits of a healthy life is maintaining this balance and following good habits . What is a healthy life ? A healthy life is all about balance . Eating the right foods ‚ getting plenty of exercise and having a positive attitude are the cornerstones
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What affect does the concentration of sugar have on the rate of respiration of yeast? Apparatus: 1. Stopwatch with a resolution of 0.001 seconds 2. 4 test tubes 3. 200 ml of yeast in a beaker 4. 200 ml of glucose solution 5. 500 ml of limewater 6. 2 delivery tubes 7. 1 test tube rack 8. 1 water bath set to 37°C 9. 2 pipettes 10. 3 measuring cylinders with a resolution of 1ml‚ ranging from 0-30ml. 11. 200 ml of water Hypothesis: The higher the concentration
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: Means the previous process is finished and the beets are transported to another process. Countryside The sugar beet is sown in March and April‚ this wil be done on the countryside by the farmer. The harvest of the beets starts in September‚ they will be lifted and loaded. Transport The sugar beets will be transported by truck to the factory. Production process Before the sugar beets will be real crystal sugar‚ the beets are inspected on the quality and control department. The beets
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The data from this experiment demonstrates that the almond will produce a higher increase in the temperature of the water‚ when compared to the marshmallow. As shown in the observation chart‚ the change in temperatures for each almond trial is significantly higher than the marshmallow trials. It is also worth noting that the mass of the marshmallows are similar to that of the almonds. In fact‚ in trials one and three‚ the marshmallow has a larger mass than the almond. This information is significant
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FACTS ABOUT ASPARTAME. In an even that one wants to make something taste sweeter‚ an individual is faced with two choices; they can either use sugar and sugar alcohols or artificial sweeteners. In choosing to use artificial sweeteners also called sugar substitutes or nonnutritive sweeteners or noncaloric sweeteners‚ one can either use acesulfame K‚ neotame‚ saccharin‚ sucralose and finally Aspartame. Aaspartame is a lab manufactured sweetener that does not exist in the form of a naturally grown
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Determination of Total Carbohydrateby Anthrone Method Carbohydrates are the important components of storage and structural materials in the plants.They exist as free sugars and polysaccharides. The basic units of carbohydrates are themonosaccharides which cannot be split by hydrolysis into more simpler sugars. The carbohy-drate content can be measured by hydrolysing the polysaccharides into simple sugars by acidhydrolysis and estimating the resultant monosaccharides. PRINCIPLE Carbohydrates are
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