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Rhizopus stolonifer is the most common and fast growing bread mold.It is also known as black mold as it appears dark green or black in color.
They can be found on any surface and in any condition.
They appear on the surface of bread that may be left open in normal conditions, say on the kitchen countertop.
It is observed that most molds thrive in temperatures above 70° F, and the low temperatures in the refrigerator are unfavorable for bread mold.
Putting the bread slice in the freezer will stop the growth of mold completely as the temperatures in the freezer are way below the favorable temperature.
A type of fungus, mold can be found just about anywhere from our door knobs and damp clothing to bread!
To learn more about the science behind mold check out this lesson: What is mold? Take your plastic bag and label each as sample 1 - 4 on the bag in the upper right hand corner. Draw a grid on the plastic bag that has a total of 10 boxes.The x-axis will be labeled 'mold growth.' This is the dependent variable or total number of boxes you counted for each day. What in the world causes mold to grow on products like bread? As moisture gets into the bread, it becomes a dwelling spot for mold to grow.The y-axis will be labeled 'time,' which is your independent variable. Keep in mind that mold doesn't grow from a seed like a plant. When the conditions are favorable, such as warm temperatures, shaded or dark places, and moisture, these spores will settle down and begin to feed on the bread. If you noticed different colors of mold, this just shows you how diverse the mold species is.Now, if you spot a black color, you are looking at spores ready to grow more mold.All of your rate graphs should have had an upward trend indicating that the amount of mold growth is directly related to time.Mold growing on the bread can be microscopic fungi belonging to different species like Penicillium, Rhizopus, Aspergillus, Monascus and Fusarium.They are of different shapes and colors depending on the species.Bread mold is a simple fungus that takes food and nutrients from the bread and damages the bread surface.Although growth of this mold makes the bread land in the trash bin, bread mold can be of great industrial use.Imagine you walk into the kitchen and notice the dreaded sight of moldy bread. In this lab, you will discover how light and temperature influence bread mold growth. If that is the case, do not perform this experiment.Wear gloves and a mask, and do not eat or drink when working with the moldy bread. Have you ever thrown away moldy bread in your house?