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The effects of microgravity on the fermentation of honey using yeast. Co-Principal Investigators: Jacob boeschel , Elizabeth Bates, Peyton adelmann Co-investigators : d eandre curry , Alex Martin , Anthony Watson , Lance winemiller , Jaycee vance collaborators :

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the effects of microgravity on the fermentation of honey using yeast
The effects of microgravity on the fermentation of honey using yeast

Co-Principal Investigators:

Jacob boeschel, Elizabeth Bates, Peyton adelmann

Co-investigators:

deandre curry, Alex Martin, Anthony Watson, Lance winemiller, Jaycee vance

collaborators:

Brittany Jarboe, mirandastrane-harris

practical uses of alcohol
Practical Uses of Alcohol
  • Antiseptics
  • Beverages
  • Fuel
can alcohol be made in space
Can alcohol be made in space?
  • Yes, previous successful experiments have used grape juice in microgravity fermentation.
  • However, no significant difference in alcohol production was observed between microgravity and Earth's gravity.
  • Our experiment uses honey in hopes of a greater difference between earth-bound and microgravity alcohol production.
why honey
Why Honey?
  • Grape juice has low viscosity, which may explain why there were inconclusive results.
  • Since honey is very viscous, it should show more of a significant difference in the production of alcohol in the two environments.
experimental design
Experimental Design
  • Independent Variable: amount of gravity
  • Dependent Variable: percentage alcohol content by volumes (%ABV)
  • Constants: contents of tube
basic methodology
Basic Methodology
  • A 1:1 honey/deionized water solution was heated to ensure it was homogenized.
  • Clamp A was clamped to the FME tube. Yeast was placed in the FME tube's center section. Next, we clamped Clamp B to the tube, sealing off the center section. Then, we placed the honey/water solution in the tube on one side of the yeast. That side was then sealed off with a stopper. Lastly, formalin was placed in the other side, with a stopper placed on that side as well.
fme tube
FME Tube
  • Volume 1: honey/water solution
  • Volume 2: yeast
  • Volume 3: formalin
slide8

Clamp A will be unlatched upon arrival. The FME tube will then be shaken vigorously, mixing the honey/water solution and yeast.

  • Two days before departure, Clamp B will be unlatched. The contents will then be shaken vigorously, mixing the formalin with the rest of the contents.
data collection and analysis
Data Collection and Analysis
  • The diluted product will be analyzed using a refractometer.
  • % of Alcohol by volume will be determined by using Brix scale.
data collection and analysis1
Data Collection and Analysis
  • Previous trials produced %ABV that was immeasurable by refractometer.
  • 10-fold dilution will be used to create samples that are measurable by the refractometer.