The Effect of Bread Type on Mold Growth

Overview

Objectives/Goals The objective is to determine the type of bread that grows mold best. Methods/Materials Using five slices of three different types of bread, Wonder Bread, Alvardo Street Sourdough Bread, and Alfaro's Bakery California Style Bread the experiment was begun. Each slice was sealed in a plastic bag. Then the bags were numbered form one to five. After that the breads were carefully monitored each day to see if mold grew. When mold was seen the amount of total mold on that slice of bread was recorded on a sheet. Results By the end of the testing, the Alvardo St. breads had the most mold as a total on them, followed by Alfaro's Bakery and Wonder Bread. Conclusions/Discussion The data shows that Alvardo St. Sourdough has the least immunity to mold spores, as it grew the most mold. It was no suprise that Wonder Bread had the least mold, as it is full of preservitives. It was suprising, though, that Alfaro's Bakery didn't have the most mold. Since it is entirely natural, it had been predictied that it would have the most mold by the time the experiment drew to an end.

Competition history

• CSEF 2003 Microbiology · Entry S1316

Resources

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