PUSAT PENGAJIAN TEKNOLOGI INDUSTRI IMG 103/3 FOOD CHEMISTRY LAB REPORT Experiment 3 : Qualitative Test for Carbohydrate Date of Experiment: 27/03/2013 Date of Submission: 17/04/2013 Submitted by: Name: Te Hui Min Matric No.: 115615 Group: 4 Title Qualitative test for carbohydrate Introduction Carbohydrates are essential in foods as an energy source (starch is the main source of human calories)‚ a flavouring (simple sugars are usually sweet) and as a functional
Free Glucose Carbohydrate Sugar
Electrostatics Lab Name: Bryan Michel Materials: Styrofoam cups Styrofoam plates PVC Pipe Fur Scotch Tape Procedures: You will be investigating charging object by friction. When you are asked to write your observations‚ please do so in a clear‚ complete manner. 1. Tape a piece of string to a Styrofoam cup and hang it from the edge of the desk so that it can move freely. Rub the outside of the cup with fur. Rub a PVC pipe with fur and bring it near the hanging cup.
Premium Electric charge Chemistry Magnetic field
The three different levels of temperature that we will test are: 4*C‚ 25*C‚ and 85*C. To determine if lactase reacted on the different levels of temperature we will use glucose test strips. Table 2. Lactase functioning affected by temperature level Our results on Table 2 reflect that for the test tube that was placed at a temperature of 85*C had a negative result‚ meaning that no glucose was found. The test tube that was placed under the 25*C level of temperature contained the
Premium Enzyme
Raquel Johnson October 19‚ 2014 Solids: Recrystallization and Melting Points Organic Chemistry 2423 Lab Report: Recrystallization Abstract: The purpose of this lab was to purify an unknown compound by recrystallization. Taking an unknown compound and identifying it by purifying it from its impurities through the use of hot gravity filtration. Then to determine the unknown you were to take the melting point. An unknown compound was recrystallized from hot water to produce 0.99 grams (67% recovery)
Premium Temperature Solubility Solid
Osmosis Rates in Artificial Cells Daniel George Department of Biology Grand Valley State University 1 Campus Drive Allendale‚ MI 49401 georged@mail.gvsu.edu Abstract The lab for this paper was conducted for the topic of osmosis‚ the movement of water from high to low concentration. Five artificial cells were created‚ each being filled with different concentrated solutions of sucrose. These artificial cells were placed in hypertonic‚ hypotonic‚ or isotonic solutions for a period of 90
Premium Osmosis Diffusion Semipermeable membrane
In this practical an electroencephalogram was carried out. An electroencephalogram (EEG) is a test that measures the brain waves and electrical activity of the brain by way of field potentials. It is used in both awake and asleep states. The human brain allows functions of various mechanisms to occur by communication within the brain. The communication within the brain is done through neurons of various sorts‚ sending action potentials through various regions. Each region in the brain will have specific
Premium Brain Electroencephalography Neurology
human evolution. Although no humans are being observed in this lab the concept of evolution is going to be looked up. The speciation is to see if by different modifications in the environment create a new species of finches. If no new species develop or the finches do not evolve to the changes in their surroundings will natural selection happen and will we no longer have finches on this island? Materials * Computer * Evolution Lab * Internet Methods or Procedures (All changes are done
Premium Years in the future
Introduction and Purpose: This lab focuses on how weight affects the time it takes for a rotocopter to fall from a drop height of 1 and 2 meter(s) respectively. The primary goal of this lab is to investigate and explain the relationship of these two factors. During the process of conducting this experiment‚ learning to design a lab will also be achieved. Research Question: What is the effect of weight on the time it takes for a rotocopter to fall from a drop height of 1 and 2 meter(s)? Variable
Premium Force Classical mechanics Mass
Biology‚ Bio 110; October 1‚ 2014 Observing Membrane Structure and Observing Effects of Chemical stress on Membrane Crystal Eve Lopez‚ Dr. Barua Madhabi Keywords: beet root model system‚ spectrophotometer‚ betacyanin‚ cellular membrane‚ phospholipid Abstract The cellular membrane separates and protects the cell acting almost as a wall. Depending on what stressors there are the cellular membrane can become damaged. The objective of this experiment was to examine the struc
Premium Cell membrane Protein Cell
The main purpose of this lab is to explain what emulsifiers and emulsions are and how emulsifiers affect emulsion stability. An emulsion is a mix of to or more liquids that usually do not mix together. One liquid is evenly dispersed in small droplets throughout the other liquid. Many emulsions contain water as one of the phases. There are two different types of emulsions. One type of emulsion contains oil droplets that are dispersed within water. It is considered oil in water emulsion. The other
Premium Liquid Water Chemistry