Carbohydrates are divided into two groups based on how complex their structure is.Monosaccharides is a simple carbohydrate because it has one simple sugar, disaccharides has a combination of two simple sugars.An example of disaccharides is lactose.Complex carbohydrates also known as polysaccharides are known to have multiple sugars.Polysaccharides are also used to store energy, an example of this starch.In addition, nutrients include proteins ,fats, minerals and vitamins.Multiple tests were taken like Benedict’s Solution, Lugol’s Solution, and Biuret’s Solution to test if the presence of a substance was there. Materials 6 test tubes Goggles Test Tube Clamp Biuret’s Solution Unknown 1 Hot Water Bath Benedict’s Solution Unknown 2 Test Tube Rack Lugol’s Solution Procedure Please refer to pages 13-14 of the lab manual. Data Observations: X=Did not change color Analysis of Data …show more content…
The results proven during the starch test was that since there was a change of color, the color change indicated that there was starch and during the protein test, since it also changed color, it was proven that there was protein, lastly during the sugar test it was also proven that there was sugar.During the sugar test it was observed that while the test tube was in the hot water bath it started to change different colors from green to yellow to orange and lastly to red.
Next when the starch test was tested it changed to purple to black.Lastly when Biruret’s solution was tested it turned violet. So, the substances that tested positive were simple sugars (Benedict’s solution)and proteins (Biruret’s
solution). Conclusion 1.In this experiment, if there was a positive test for simple sugars then the color would change too red and if there was a positive test for starch then it would turn black. 2.The building blocks of proteins are called amino acids, which is a compound with an amino group on one end and a carboxyl group on the other end. 3.The nutrients present in Unknown 1 were starch and protein,I know this because when it was tested the substance change color. 4.Lastly the nutrients present in Unknown 2 was the simple sugars because of the change of color. The purpose of this experiment was to test substances for the presence of simple sugars, starches, and proteins.Many errors could’ve happened during this experiment, in this experiment both unknown 1 and unknown 2 could have been mixed together.Another mistake that could possibly be made is you can loose count of how many drops you add in a test tube, you can either add an extra drop or you can even get distracted and loose count.So, in this experiment it is important that you stay focused.To improve this experiment Benedict's solution and Lugol’s solution could have been added to see if anything different would happen.In conclusion, the experiments has proven what each nutrient consists of.
When the solution remains the same, it means the solution is negative control and does not have sugar. The presence of starch can be detected by using the Lugol’s iodine solution. If the unknown A, B, C milk samples turn to a dark blue color during the Lugol’s test, then these samples are positive control and also contain starch in them. But if the solutions turn to yellowish brown, it means these solutions are negative control
The independent variable for this experiment is the enzyme concentration, and the range chosen is from 1% to 5% with the measurements of 1, 2, 4, and 5%. The dependant variable to be measured is the absorbance of the absorbance of the solution within a colorimeter, Equipments: Iodine solution: used to test for present of starch - Amylase solution - 1% starch solution - 1 pipette - 3 syringes - 8 test tubes – Stop clock - Water bath at 37oc - Distilled water- colorimeter Method: = == ==
Carbohydrates are categorised in three many groups: Ø Monosaccharide – monomers and therefore contain single surgar. Ø Disaccharide – contain double sugars. Ø Polysaccharide – are large molecules containing many complex sugars. The general formula for carbohydrates is Cx(H20)y. Monosaccharides are white crystalline solids with low molecular mass and sweet tasting.
Complex carbs are fruits, vegetables, nuts, whole grains and beans. Fiber and starch are two of the ingredients you'll find in complex carbs. You can find them in whole wheat breads, whole grain cereals, and brown rice. Some foods are higher in starch than fiber, and it's best to stay away from them as much as possible. They're still good for you, but the high starch can be a problem. Those foods are peas, corn, and some cereals.
Carbohydrates include sugars and starches, contain carbon, hydrogen, and oxygen which appears in a ratio of 1:2:1. Carbohydrates are classified according to size as monosaccharides, disaccharides, and polysaccharides. The primary function of carbohydrates is to serve as sources of energy. Carbohydrates are some of the most numerous molecules in living organisms. They play a major role as food molecules in the cell, being broken down to produce energy. Polysaccharides play an important role serving as energy reserves also. It provides a quick-release energy source that keeps us going between meals. Small amounts of carbohydrates are also used for structural purposes and others are attached to outer surfaces of cell membranes to guide cellular interactions. For many cells, sugars are the most important source of energy.
The Benedict's Test is used to test the presence of simple sugars in a sample. If sugars are present, a color change will occur from blue to red. However, although the Benedict's test shows the presence of sugars, it cannot accurately determine the concentration of sugar in a sample solution. In our method, we added specific concentrations of glucose to the Benedict's test to use as a chart to estimate the glucose concentration of an unknown solution X. Although this gives a rough estimate of the concentration, it is very inaccurate. For example, the mystery solution X was a pale orange color, which was between the colors in my first and second test tube.
Carbohydrates make up the largest volume of daily food in the diet. Carbohydrates include sugars, starches, and dietary fiber. Carbohydrates are considered organic chemicals because they contain carbon, hydrogen, and oxygen. They are considered a macronutrient because it needs to be consumed in large amounts in a diet which make up the majority of the diet in a day. Carbohydrates are important because they are the main source of calories for a healthy diet. How do carbohydrates affect sleep? Carbohydrates provide energy for physical activity, brain function, and operation of the organs. When carbohydrates are consumed, they are converted to fuel and used as energy. There are two types of carbohydrates known as simple carbohydrates and complex carbohydrates. Simple carbohydrates are sugars that are made of one or two sugar molecules and are rapidly digested. Complex carbohydrates are dietary starches and made of sugar molecules that contain fiber. They are found in whole plant foods which are high in vitamin and minerals. The glycemic index is a “relative ranking on how they affect blood glucose levels.” (University of Sydney) Foods with a low glycemic index are more slowly digested, absorbed, and metabolize so the blood glucose rises more slowly. Foods with a high glycemic index are more quickly
Answer: Monosaccharides means one sugar. A simple sugar that is the basic subunit of a carbohydrate and is not broken down during digestion. Ex: Glucose
Simple carbohydrates which break down quickly during digestion can cause a dangerously high level of glucose in the blood. Complex carbohydrates release glucose more steadily into the bloodstream and help prevent dangerously high levels of glucose in the blood. (Jen Grogan and Ruth Suter 2008 p. 2.1.13 – 2.1.13)
Milk and milk products are the only foods derived from animals that contain a significant amount of carbohydrates. Carbohydrates are divided into two groups, simple carbohydrates and complex carbohydrates. Simple carbohydrates, sometimes called simple sugars, include fructose (fruit sugar), sucrose (table sugar), and lactose (milk sugar), as well as several other sugars. Fruits are one of the richest natural sources of simple carbohydrates. Complex carbohydrates are also made up of sugars, but the sugar molecules are strung together to form longer, more complex chains.
The first example of why are carbohydrates are significant to an individual's health has to do with various amounts of food (Argument #2). Carbohydrates are in all kinds of food, such as fruits, pastas, meats, and veggies (#2). Carbohydrates are divided into two kinds of groups, unrefined and refined foods (#2). Unrefined foods are the healthy foods such as pears, veggies, and types of meats. Refined foods are unhealthy foods such as candy, types of snacks, and other types of unhealthy vegetables (#4).
protein in your body that is not being used as energy. This is because your body
The most important nutrient categories are starches, minerals, sugars, and electrolytes. Starches and minerals fit into the area of complex carbohydrates. Complex carbohydrates are polysaccharides (many sugars bonded together). Because of the multiple bonds, polysaccharides are able to store energy for later use. Simple sugars make up the other group of carbohydrates. The bonding structures of simple sugars are much less advanced that than those of complex carbohydrates. This allows for the burning of simple sugars in an athlete's body. Electrolytes are a category of their own because they are helpful to an athlete all of the time, whether energy storage or energy burning is needed.
In this lab there were two chromatography experiments, food color paper chromatography and amino acid thin layer
Exact amount of solution of the reagents (Benedict’s Solution, Sudan III Stain, Iodine and Biuret Reagent) for the specific tests (Simple Carbohydrates, Lipid, Complex Carbohydrates and Protein) was transferred into each of the test tubes.