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Biochemistry : LipidRole (10 Variations) Which aspect of the structure of a phospholipid is most directly responsible for its role as a source of some vitamins?
Kinetic Analysis of Amylase Using Quantitative Benedict's and Iodine Starch ReagentsBeverly Cochran, Deborah Lunday, and Frank Miskevich This laboratory emphasizes that enzymes mediate the conversion of a substrate into a product and that either the concentration of product or reactant may be used to follow the course of a reaction. It does so by using an inexpensive scanner and open-source image analysis software to quantify amylase activity through the breakdown of starch and the appearance of glucose. Cochran, Beverly; Lunday, Deborah; Miskevich, Frank. J. Chem. Educ.2008, 85, 401.
Biosynthesis |
Carbohydrates |
Catalysis |
Enzymes |
Food Science |
Nutrition |
Quantitative Analysis |
UV-Vis Spectroscopy
Mineral Analysis of Whole Grain Total CerealPaul Hooker This article describes the quantitative analysis of the elements iron, zinc, and calcium in Whole Grain Total Cereal, a cereal product that claims to contain 100% of the daily value of several vitamins and minerals. This experiment can be implemented at several instructional levels including chemistry courses for science and nonscience majors, and in more advanced chemistry courses such as quantitative or instrumental analysis. Hooker, Paul. J. Chem. Educ.2005, 82, 1223.
Consumer Chemistry |
Food Science |
Nutrition |
Quantitative Analysis |
UV-Vis Spectroscopy |
Nonmajor Courses
Determination of Minerals in Apples by ICP–AESMark Duxbury A laboratory experiment is described that involves the elemental analysis of apples by inductively coupled plasmaatomic emission spectroscopy (IICPAES). The results of the experiment allow students to predict the cold-storage stability of apples. Duxbury, Mark. J. Chem. Educ.2003, 80, 1180.
