面粉分无漂白和漂白的，美国市场上大多是漂白面粉，这个问题比大蒜严重多了，一顿饭能吃多少大蒜？

Bleached flour and unbleached flour differ in the way they are treated, which affects their color, texture, and grain size:

• Bleached flour

  Treated with chemicals to speed up the aging process, resulting in a whiter color, finer grain, and softer texture.?Bleached flour is also more acidic than unbleached flour.?Some people with sensitive palates may notice a slightly bitter taste in bleached flour.?Bleached flour is often used for cookies, pie crusts, and pancakes.?

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Bleached flour is also less expensive than unbleached flour because it's faster to produce.?

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You can generally use bleached and unbleached flour interchangeably in baking, but the type of flour you use can affect the outcome of your recipe.?Some bakers prefer unbleached flour for recipes that highlight the natural flavor of the flour.?