Test 1 Flashcards
Why does whole wheat flour spoil more easily than white flour?
Because whole wheat flour only contains the bran and germ which has high fat content that can quickly become rancid. White flour contains only the endosperm.
What are the 12 steps in the production of yeast products?
- Scaling
- Mixing
- Bull fermentation
- Folding
- Dividing
- Pre-shaping
- Bench proofing
- Makeup and panning
- Proofing
- Baking
- Cooling
- Storing
What is invert sugar?
Mixture of equal parts dextrose and levulose, and is 30% sweeter than regular sucrose. It holds moisture well which keeps cakes fresh and moist. It also resists crystallization, promoting smoothness.
What ingredients retain moisture in baked goods?
Sugar, eggs
What is the sponge method?
Two step process for making dough. 1. combine some or all of the liquid, all of the yeast, and part of the flour and mix into thick batter/soft dough, then let ferment until doubled in size. 2. Fold down dough and add the rest of the flour and remaining ingredients. Mix to a uniform, smooth dough.
List the advantages of the sponge method for mixing bread dough.
- Shorter fermentation time for the finished dough
- Scheduling flexibility sponges can usually be held longer
- Increasing flavor, developed by the long fermentation of the sponge
- Stronger fermentation of rich doughs
- Less yeast is needed, because it multiplies during the sponge fermentation
What makes pie dough tough?
Too much water and over mixing
What is the difference between lean and rich dough?
Lean dough consists of flour, yeast and water, whereas rich doughs also contain higher fat and sugar content and sometimes egg or milk solids
What is the difference between mealy pie dough and flaky pie dough?
Flaky pie dough incorporates fat by cutting or rubbing into the flour until fat pieces are about the size of peas. for mealy pie dough the fat is blended into the flour more thoroughly, coating it with fat.
How many sheet gelatin would have the power of 1oz of powdered gelatin?
20 sheets
1 tsp of powdered gelatin has the same gelling power as how many sheets?
2 sheets
What is the difference between single acting baking powder and double acting baking powder?
Which is used more frequently?
Single acting required moisture to release gas, product must by baked immediately after mixing.
Double acting baking powder releases some gas when cold, but requires heat for full reaction.
Double acting is used more frequently, because the mix can stand before baking.
What are the major factors that affect the development of gluten in batters and doughs?
- Selection of flour
- Quantity of water
- Mixing methods and times
What are the steps involved in the muffin method?
- Sift dry ingredients
- Combine the eggs or egg yolks, milk, fat
- Add liquid ingredients. Mix until just combined
What is the FOOD DANGER zone?
41F-135F (5C-57C)