HELP!production of glycerol via fermentation?

aijay · 19 Jul 2009, 11:15 AM

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missed previous classes on fermentation in general
need to know the steps to convert glucose to ethanol,
and where you would add the sodium bisulfate to increase the production of glycerol?

help me!

DannyT · 19 Jul 2009, 7:54 PM

As for the fermentation of glucose to produce ethanol, a glucose solution is placed in a conical flask with a small amount of yeast added to the solution. Anaerobic conditions must be met and so parafilm may be used to prevent oxygen from coming into the solution. Place the apparatus in an incubator for several days under 30-35 degrees and so the yeast can grow as well as ensuring an optimal yield of ethanol. You can also connect a glass tube to the flask so that any CO2 produced can be passed through into a separate collection vessel (beaker containing limewater, CO2 produced from the reaction will produce bubbles and turn the limewater milky). You should also weigh the apparatus before and after, mass loss is CO2 produced from the fermentation reaction.

As for the glycerol I have no idea.

19 Jul 2009, 11:15 AM	#1 (permalink)
aijay New Member HSC: 2010 Gender: Female Join Date: Mar 2009 Posts: 5 Last Activity: 19 Nov 2009, 3:32 PM	HELP!production of glycerol via fermentation? You can hide this advertisement by registering. missed previous classes on fermentation in general need to know the steps to convert glucose to ethanol, and where you would add the sodium bisulfate to increase the production of glycerol? help me!

19 Jul 2009, 7:54 PM	#2 (permalink)
DannyT Assistant Member HSC: 2009 Gender: Male Location: Sydney Join Date: Sep 2008 Posts: 64 Last Activity: 5 Nov 2009, 5:34 PM	Re: HELP!production of glycerol via fermentation? As for the fermentation of glucose to produce ethanol, a glucose solution is placed in a conical flask with a small amount of yeast added to the solution. Anaerobic conditions must be met and so parafilm may be used to prevent oxygen from coming into the solution. Place the apparatus in an incubator for several days under 30-35 degrees and so the yeast can grow as well as ensuring an optimal yield of ethanol. You can also connect a glass tube to the flask so that any CO2 produced can be passed through into a separate collection vessel (beaker containing limewater, CO2 produced from the reaction will produce bubbles and turn the limewater milky). You should also weigh the apparatus before and after, mass loss is CO2 produced from the fermentation reaction. As for the glycerol I have no idea.

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