Lab #5: Baking 1b Flashcards
How is flour produced?
Milling or grinding wheat or other cereal grain or vegetables (potatos) or fruit (buckwheat)
Flour is ____ in food energy, ____ in CHO and ____ in fat
high, high, low
what 3 nutrients depend on the degree of processing of flour?
Fibre, B vitamins and iron
T or F: Enrichment is mandatory in Canada and in the US.
T
What must be added to ‘enriched’ flours?
folic acid
The protein content of flour varies from____. This is an indication of?
7-12%.
The gluten content
what is hard wheat?
High in protein and gluten.
Includes durum wheat (ex. durum semolina), hard spring and hard winter (ideal for bread flour)
What is soft wheat?
low protein and gluten.
Ideal to make pastry and cake flour.
Fine, not good for breads
T or F: pastry and cake flour are not bleached
F
What is all purpose flour?
A blend of soft and hard wheat.
Acceptable for all kinds of baking, but it may contain too much protein for certain cakes
What is whole wheat pastry flour
less protein than regular whole wheat flour, more tender baked good
Less gluten is developed compared to regular WW flour
What is unbleached flour
Does not contain bleaching additives.
Unbleached flour is ____ in colour, ______ in weight and finer
lighter, lighter
How do you make self rising flour?
1L AP flour, 10 ml salt and 30ml baking powder
What are quick bread leavened by?
Air, steam, chemicals (baking powder or baking soda)
Why are quick breads called quick bread?
No fermentation, cooked quickly after mixing
What occurs if too much baking powder or baking soda are used in a quick bread?
Large bubbles rise, escape, leaving a product with a coarse grain and flat surface
What happens when acid and baking soda are mixed together in the presence of liquid and heat?
What kinds of acids can be used?
CO2 forms and a small amount of moderately alkaline salt sodium carbonate (washing soda)
Acids: Lemon juice, molasses, sour milk, honey, buttermilk, sour cream, etc
Approximately only __ml of baking soda is needed per ____ of flour. It is about ___ times as effective as baking powder
1 ml per 1 cup
4X
What is baking powder?
A mixture of baking soda, the exact amount of acid needed to react with it, a dry diluent (ex. cornstarch to separate and absorb moisture)
What is double acting baking powders?
They react first when liquid is added, and the second time when they are baking in the oven
What is the common baking powder used in Canada? Is it gluten free? It is a _____ acting phosphate baking powder
Magic baking powder.
It is gluten free
A single acting phosphate baking powder
Approximately, ___ ml of baking powder is needed per __ of flour
5 ml per 1 cup
Why do some recipes need both baking powder and baking soda?
Extra soda helps to neutralize extra acid in the recipe.