Refined carbohydrates take longer to digest than unrefined carbohydrates. contain the germ and bran of whole grains but not the endosperm. tend to be much lower in fiber and vitamins than whole grains. to keep blood sugar and insulin levels low.

Refined carbohydrates tend to be much in lower in fiber and vitamins than whole grains. These are complex carbs that have had fiber removed from them leaving reproduce simple carbohydrates. These are rapidly absorbed causing a blood sugar increase, which is followed by some crash. During the milling process, the germ and bran is peeled and the grain's endosperm is crushed. The final product becomes easier to gnaw and digest. The main reason manufacturers process the grain is to lengthen shell life.

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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