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: 29.09.2011
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, 26 2016 . 16:26 +
bahera

                              

- , , ,   . .., , , , . - ,  -  () ..

. . , . .
 
(Raymond Calvel, 2001, The Taste of Bread)

 


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""    Cook's Illustrated.   .    . , , , , , , ..   , .

(Cook's Illustrated, September 200, Yeast Types)
 

Instant Yeasts: Also called "Instant," "Rapid Rise," or "Bread" instant yeasts are also processed to 95 percent dry matter, but are subjected to a gentler drying process than active dry. As a result, every dried particle is living, or active. This means the yeast can be mixed directly with recipe ingredients without first being dissolved in water or proofed. It is in this context that the yeast is characterized as "instant." We prefer instant yeast in the test kitchen. It combines the potency of fresh yeast with the convenience of active dry, and it is considered by some to have a cleaner flavor than active dry because it contains no dead cells. (In our months of testing, we found this to be true when we made a lean baguette dough but could detect no difference in flavor when using the two yeasts in doughs made with milk, sugar, and butter.)

- King Arthur flour, 70% , -  30%.

Active dry yeast is live yeast that’s been dried, a process that kills up to 70 percent of the yeast cells. These dead cells surround the live cells, acting as a cocoon to protect them. For this reason, you must “proof” active dry yeast — dissolve it in water, to expose the live cells — before baking with it....

Instant yeast is also live yeast, but it’s been dried at a much lower temperature, and using a different process. Only about 30 percent of the cells are dead, and therefore it begins to work much faster than active dry yeast

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