But if you eat white rice, the dietary fiber content is less than 0.5%. Some of the starch contained in miscellaneous grains rice is "resistant starch". They cannot be digested by amylase, or the digestion speed is too slow. In the end, most of it is not digested in the small intestine, but enters the large intestine. They can't be converted into glucose, so they can't bring as much heat as ordinary starch.
Extended data:
The Dietary Guidelines for China Residents (20 16) points out that the daily intake of whole grains and miscellaneous beans should be 50 ~ 150g and potatoes 50 ~ 100g. Coarse grains account for 1/3 ~ 1/2 of all staple foods, which is recommended. At least one of the three meals a day is whole-grain potatoes, or a part of miscellaneous grains beans is added to each meal to cook miscellaneous grains rice and porridge, which are all good choices.
Dietary fiber in coarse cereals is a double-edged sword. It is helpful to control blood sugar and blood lipid and prevent obesity in people with three highs. But too much fiber will also bring a burden to people with poor gastrointestinal function.
Especially friends who already have gastric ulcer and insufficient gastric motility, eat more coarse grains, which is easy to flatulence and stomachache. Therefore, people with bad stomachs, especially some frail middle-aged and elderly people and children, are not suitable for eating too much coarse grains.
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