how does bread fermentation change in relation to inital yeast weight, time and temperature?

how does bread fermentation change in relation to inital yeast weight, time and temperature? - Round Gold-colored Ethereum Ornament

I am thinking of making bread and while most recipes call for a 2-3 hour fermentation, some say leave it for 12-24 hours in the fridge for better flavor while adding less yeast to start with.

I understand that in slow growth conditions and small quantities yeast gives a slower rise but why does it affect the flavor, to elaborate lets assume two recipes A and B

A uses 3x the amount of yeast used by B

B needs more time than A but eventually shouldn't the output of the two amounts of yeast be equal at some point in time if we keep B proofing while removing A

I guess I am asking what else is happening to the bread beside the output of yeast ?



Best Answer

Long fermentation allows for enzymes to breakdown starch molecules into sugars used by the yeast. This breakdown adds complexity to the flavor of the bread, and loaf color produced during baking. http://www.thescienceofbreadmaking.com/enzymes.html




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How does temperature affect the rate of yeast fermentation?

What Does Increasing the Temperature Do to the Rate of Fermentation? The Rate of Fermentation increases with an increase in temperature. And from this increase, you will get more yeast by-products of fermentation \u2014 whether you like it or not. The yeast becomes more energetic and consumes greater amounts of sugar.

How does temperature affect bread fermentation?

As the temperature gets higher, the yeast will produce more carbon dioxide, until at some point carbon dioxide production will decrease, that is when the yeast cells have become denatured due to the increase in temperature.

How does temperature affect yeast?

During fermentation, carbon dioxide is produced and trapped as tiny pockets of air within the dough. This causes it to rise. During baking the carbon dioxide expands and causes the bread to rise further. The alcohol produced during fermentation evaporates during the bread baking process.



Why is Yeast added for making bread | Basic Science | Fermentation by yeast




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