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Topics > Microbiology > Fungi

	Project title	Using fruit to preserve bread
	Difficulty Level	Middle school
	Project page	Click here to view this science project
Description
This experiment was performed to compare how adding fruit paste to bread made it last longer without s. The tests were done using paste made from prunes, raisins and dates added to the bread before baking.
Instructions preview
1. For this experiment, the independent variable is the type of bread used – plain, prune paste-filled, raisin paste-filled and date paste-filled. The dependent variable is the number of days it takes for mold to appear on the surface of the bread. This is determined by inspecting the bread with a magnifying glass. The constants (control variables) are the size of the bread, the hygiene level of the bakery and the type of packaging used for the bread. 2. Plain bread, prune filled bread, raisin filled bread and date filled bread loaves are bought from a local bakery. They .....

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