The Effects of Colas on Turbatrix aceti
Overview
Objectives/Goals The objective of the project was to determine which variety of Coca Cola was healthier and why. Methods/Materials The pH was tested first and it was determined through NaOH titration. The effects of the certain pH were determined by tests on trials of Turbatrix Aceti that was made through a half-half combination of Turbatrix Aceti culture and the liquids being tested. Control was made in a similar fashion. After, the effects of Aspartame and Sugar were tested on Turbatrix Aceti through trials filled with culture and the proper ratios of sugars. This organism was chosen in particular due to its pH similarities to a human esophagus. Materials sued include: Turbatrix Aceti culture; H3PO4 15 M ; NaOH 6M; micro pipets; burettes ; Aspartame, sugar, dH2O; Coca Cola Regular; Coca Cola Diet; Apple Cider Vinegar; safety equipment. Results The survivabilty of the Turbatrix Aceti was observed under a microscope. The survivabilty results of the Turbatrix Aceti were compared. The Diet Coca Cola was determined to be worse for an organism due to the presence of Aspartame. Conclusions/Discussion The Aspartame being worse for consumption means that the Coca Cola Diet is worse for consumption than Regular Coca Cola and therefor the popular belief about the Coca Colas is false as is the Coca Cola Diet Advertisement campaign.
Summary statement
The lower calorie beverages were determined to be dramatically worse for consumption than the regular kind due to the presence of Aspartame in the lower calorie variety.
Help received
My AP Chemistry teacher M. Morgan thought me titration; my AP Biology teacher L. Hua provided 6 M NaOH; my STAR 1 teacher Ms. Ramirez-De La Cruz provided glassware.
Competition history
- CSEF 2016
Resources
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Source: California Science & Engineering Fair public projects