with the Iodine solution? Hypothesis: * If a solution is rich in starch then it will react with iodine solution and change to a bluish-black color (looks Brown) Materials: Items: * 8 test tubes‚ pipet‚ iodine‚ onion juice‚ potato juice‚ sucrose solution‚ glucose solution‚ distilled water‚ fructose solution‚ starch solution‚ & beats juice Safety Concerns: * If the iodine touches skin it might burn * Everything smells bad chance of vomiting Procedure: 1. Get 8 test tubes
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sugars connected together in a twofold ring. Your body must separate disaccharides‚ much the same as any starch other than monosaccharides‚ before you can get vitality from them. Maltose is a disaccharide. It comprises of two glucose particles‚ while sucrose comprises of glucose and fructose. They are shaped by a buildup response where one particle of water consolidates or is discharged amid the joining of two monosaccharides. The sort of bond that is framed between the two sugars is known as a glycosidic
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Osmosis Lab Research Question: In this lab‚ our goal was to look at the effects of different sucrose concentrations on osmosis in potatoes. Our research question was “How do the sugar levels affect the rate of osmosis in potatoes?”. Background Information: Solutions consist of solutes dissolved in a solvent. In all living organisms there are many different types of solutes including salts and sugars. The major solvent is water. There are different concentrations of solutes in various regions
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1). While Bray and Popkin weren’t successful in supporting their hypothesis‚ a Princeton study concluded that HFCS is a cause of obesity. Princeton researchers used rats to test the effects of sugar and HFCS. Researchers gave the control rats sucrose dissolved in water‚ while the test rats were given HFCS dissolved in water. The researchers found the test rats fed HFCS gained a considerable amount of weight. With the new data‚ Princeton researchers believed they had a sufficient amount of information
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The aim of our investigation is to find out whether the use of different sugar isomers with yeast‚ will affect the rate at which the yeast respires at. The sugars to be tested are fructose‚ galactose‚ glucose‚ lactose and sucrose. Their effects on the respiration rate of yeast to be observed through the measurement (cm3) of the displaced water‚ which will tell us how much CO2 has been respired over 2 minutes. To compare the effects an average will be calculated for each and a result will be drawn
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Aim: To find out which samples consists of starch/ proteins/ reducing sugar/disaccharide out of 4 given samples A‚ B‚ C and D. Research Question: Out of the four given samples which sample consists of protein/ starch/reducing sugar/ disaccharide? What color changes will help to identify the contents of each sample when treated with iodine‚ biuret agent and benedicts solution? Theory and background information: What is a protein?1 Proteins are macromolecules‚ consisting of one or more chains
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A. Osazone Formation Crystals Formed? (hot) Crystals Formed? (Cold) 5% sucrose Yes (orange) Yes (yellow) 5% glucose Yes (orange) Yes (yellow) 5% fructose Yes (brown) Yes (brown) 5% maltose Yes (orange) Yes (gold) B. Molisch Test Color of Junction Glucose Purple Sucrose Purple Starch Purple C. Bial’s Test Color Change Ribose Yellow -> Dirty Green Glucose Yellow -> Dark Yellow D. Seliwanoff’s Test Observation Sucrose 1st (Dark) Glucose 2nd (Medium) Fructose 3rd (Light) E. Benedict’s Test
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that bag into a beaker containing a 1.0 M solution of sucrose‚ the percent of mass lost in the bag is 10.5%. The solution in the bag is hypertonic while the solution in the beaker is hypertonic‚ which is why water moves from the bag to the beaker and the bag loses mass. b. The purpose of this experiment is to see whether or not temperature plays a role in the percent change during diffusion or osmosis. c. If the temperature of the sucrose solution in the beaker increases‚ then the percent change
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invertase specifically catalyzes the reaction of the conversion of sucrose to its individual carbohydrates glucose and fructose. It does not catalyse the reaction of maltose to 2 glucose or lactose to galactose. In this experiment‚ titrimetric and spectrophotometric methods were used to determine the specificity of invertase by determining the amount of glucose converted from the given disaccharides. The results show that sucrose yielded the least amount of glucose and got the lowest absorbance reading
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A Summer Training Report On Shree kamrej vibhag sahakari khand udyog mandli ltd In Partial Fulfillment of the Requirement for the degree of BACHELOR OF BUSINESS ADMINISTRATION Submitted By: 1) Luhar Dipika 2) Gajjar Yesha S.Y.B.B.A Submmitted To: B.R.C.M college of Business Administration V.T.choksi college campus‚ Lal Banglow‚ Athwalines‚ Surat. Affiliated to VEER NARMAD SOUTH GUJARAT UNIVERSITY‚ SURAT April-June2014-15 Company certificate
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