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How Baking Works Chapter 5 - Wheat Flour
Food Science - Science Olympiad
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Other
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01/25/2013

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Term
The main component in white flour—the one that is present in greater quantities than all other components combined—is
Definition
starch.
Term
Another name for wheat flour is
Definition
white flour.
Term
Gluten is
Definition
a protein.
Term
The creamy color of white flour and the yellow color of durum flour both come from
Definition
carotenoids.
Term
Flours that are higher in broken and fragmented starch granules are typically milled from
Definition
hard wheat kernels.
Term
Which of the following ingredients is a whole grain?
Definition
whole white wheat flour.
Term
Hard wheat is most apt to be milled into
Definition
bread flour.
Term
Rank the following flours according to protein level, from highest to lowest.

a. pastry, bread, cake
b. bread, cake, pastry
c. bread, pastry, cake
Definition
c. bread, pastry, cake
Term
Which treatment greatly increases the ability of starch in flour to absorb water?
Definition
bleaching with chlorine
Term
Naturally aged flour is similar to bromated flour in that both
Definition
form stronger gluten than untreated flour.
Term
Naturally aged flour is similar to flour treated with chlorine in that both
Definition
are whiter than untreated flour.
Term
The standard maturing agent for flours used in bread doughs, the one that all others are compared to, is
Definition
potassium bromate.
Term
Which of the following is considered a bromate replacer?

a. chlorine
b. benzoyl peroxide
c. ascorbic acid (vitamin C)
Definition
c. ascorbic acid (vitamin C)
Term
Traditionally, cake flour is bleached with chlorine so that
Definition
the gluten is weakened.
Term
Which of the following will you not be able to tell from a flour’s label?

a. Whether the flour was bleached.
b. Whether the flour has added potassium bromate.
c. Whether the flour has been treated with chlorine.
Definition
c. Whether the flour has been treated with chlorine.
Term
Another name for graham flour is
Definition
whole wheat flour.
Term
The three components in white flour that absorb water, making flour a drier, are
Definition
proteins, starches, and pentosan gums.
Term
The main event that shortens the shelf life of flour, especially whole wheat flour, is the
Definition
development of rancid off-flavors from naturally present oils.
Term
Of two unbleached flours, the one likely to absorb more water is the flour with a
Definition
higher protein content.
Term
Which flour tends to require the most water when forming dough?
Definition
high gluten flour
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