Team:Johns Hopkins/Project/Baking

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In order to control the situation as much as possible, we used the same recipe (found here: http://allrecipes.com/recipe/best-bread-machine-bread/detail.aspx) for all the trials and tried to match up the amount of yeast as best as we could. We assigned the height of the bread as a quantitative benchmark to see how VitaYeast fared in baking.
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In order to control the situation as much as possible, we used the same recipe (found [http://allrecipes.com/recipe/best-bread-machine-bread/detail.aspx here] for all the trials and tried to match up the amount of yeast as best as we could. We assigned the height of the bread as a quantitative benchmark to see how VitaYeast fared in baking.
To determine how Vitayeast may differ from normal dry yeast in bread, we ran a trial where we baked a regular 1.5 pound loaf of bread using store-bought dry active yeast. The purpose of doing so is to determine that the bread machine is functional and to determine how tall a 1.5 pound loaf of bread is.
To determine how Vitayeast may differ from normal dry yeast in bread, we ran a trial where we baked a regular 1.5 pound loaf of bread using store-bought dry active yeast. The purpose of doing so is to determine that the bread machine is functional and to determine how tall a 1.5 pound loaf of bread is.

Revision as of 22:47, 22 September 2011

VitaYeast - Johns Hopkins University, iGEM 2011

Baking

In order to determine whether Vitayeast is able to be utilized for the applications that we envisioned, we used it to bake bread and hope to see how vitamin-enriched our bread will be. We bought a bread machine from Amazon ([http://www.amazon.com/Sunbeam-5891-2-Pound-Programmable-Breadmaker/dp/B00067REBU/ref=sr_1_1?ie=UTF8&qid=1316727813&sr=8-1 here]) and placed it in the lab

Benchmarking

In order to control the situation as much as possible, we used the same recipe (found [http://allrecipes.com/recipe/best-bread-machine-bread/detail.aspx here] for all the trials and tried to match up the amount of yeast as best as we could. We assigned the height of the bread as a quantitative benchmark to see how VitaYeast fared in baking.

To determine how Vitayeast may differ from normal dry yeast in bread, we ran a trial where we baked a regular 1.5 pound loaf of bread using store-bought dry active yeast. The purpose of doing so is to determine that the bread machine is functional and to determine how tall a 1.5 pound loaf of bread is.

The first major question for us, was if baking bread using Vitayeast, which is lab yeast, is feasible. The answer to this question was a resounding yes, as we found out during our first trial of baking with lab yeast. Since we established this, we moved onto other questions.

1. How does using dry yeast and lab yeast change the bread? (In this case, height)

2. What is the quantity of vitamins inside the bread?

In addition to the loaf of VitaYeast bread, we obtained wild-type yeast for the same strain as another benchmark for the VitaYeast. In addition to seeing how using lab yeast would affect the height of the bread, we also wanted to see how the using normal wild-type yeast to bake would compare to store-bought dry yeast. We also wanted to use the wild-type yeast to compare how much more Vitamin A that the VitaYeast bread has.

Protocol

To see the protocol, please click here.