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Yeast is a living organism. Salt, sugar and flour are compounds that are not alive.
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∙ 14y ago
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Will yeast give off carbon dioxide without using sugar?
Yes, yeast will produce gas when mixed with warm liquid and starch (flour) without additional sugar. But it will take more time to rise.
Why sugar is important to the growth of yeast?
This is actually not a chemical reaction. Yeast are living organisms and they use sugar as an energy source, so if you put yeast and sugar together the yeast will consume the sugar and give off carbon dioxide. This is why breads made with yeast rise and have small holes in the bread after it is baked - the holes are where small bubbles of carbon dioxide were trapped.
Why is a mixture of flour and sugar sifted?
'''You sieve flour to get more air into it so it makes your final product more fluffy'''
Is bread wholemeal flour the same as just wholemeal flour?
Bread wholemeal flour probably has yeast in it.
Does yeast grow faster or slower with more sugar?
Yeast is a bacteria that feeds on sugar, which causes the fermentation process. In the process of wine making, grapes have yeast in the skin and sugar in the flesh of the fruit, the yeast then feeds on the sugar in the flesh fermenting the juice and making the wine.
What are the six ingredients that are needed to bake breads?
The very simplest bread could be made of nothing more than flour and water. Most simple breads are made of flour, water and oil or some other type of fat and salt. There are endless variations from that basic mix. Some type of leavening, such as yeast, baking powder or baking soda, lighten the dough and allow air to be incorporated into bread through rising. Eggs, milk and sugar might be added for more richness and flavor, as well as different types of flour, whole or cracked grains, seeds, dried fruit, herbs and spices.
Why does one cup of sugar weigh more than one cup of flour?
sugar tends to be more heavier that flour...i think :DDue to it's greater density
Why does yeast create more carbon dioxide when mixed with sugar than with flour or oil?
yes. yeast reacts with sugars in the dough (or whatever you may be using) and carbon dioxide is produced. this is what fluffs up bread and creates the air holes you see in the bread. I used bread too many times in that last sentence. this also means that the yeast and the sugar isn't really a mixture - it reacts.
What it the main ingredient in a yeast bread?
There are many different types of bread and therefore many different ingredients and recipes. Flour and water would be two ingredients in almost any type of bread, and salt and yeast would also be in the majority of bread recipes.
How does sugar affect carbon dioxide realeased byyeast and warm water?
Yeast can use oxygen to release the energy from sugar (like you can) in the process called respiration. So, the more sugar there is, the more active the yeast will be and the faster its growth (up to a certain point - even yeast cannot grow in very strong sugar - such as honey).
Does flour contain yeast?
Actually, it does. It's just in very, very small amounts. There are various types of yeast in the air so some of it lands on the flour. Ages ago, it was the natural yeast in flour or in other bread ingredients that made bread rise. Now days we add the yeast to make the bread rise more predictably.
Why is wheat flour better than white flour?
wheaten , white is full of calories, sugar and salt.
