Many researchers believe that the fiber in our foods can influence mineral absorption. The foods with the highest fiber content are legumes and grains like soy, wheat, and oats. One drawback that has been reported by researchers with the bran or fiber from these sources is that they contain phytic acid, which binds with minerals in the digestive tract and pulls them out of the body. Consequently, mineral absorption is decreased. Some of the minerals that are bound to phytic acid include zinc, iron, and calcium. It has been suggested that eating too much food containing phytic acid can lead to mineral deficiencies. Even dietary fiber levels of 10 to 20 percent are believed to interfere with absorption of minerals in the digestive tract. Yet, we are counseled to get between 20 and 35 percent dietary fiber in our diets. What are we to do? We need fiber for good digestive health, but too much may cause nutritional problems. The perfect solution to this problem is not to reduce fiber consumption, but to replace some of the fiber we get from grains and legumes with fiber that does not pull minerals out of the body. Coconut fiber fits that description. Coconut does not contain phytic acid and does not remove minerals from the body. You can eat all the coconut you want without worrying about it negatively affecting your mineral status.
If anything, coconut fiber improves mineral status. Fiber slows down the emptying of the stomach, allowing foods to be bathed in gastric juices for a longer amount of time. This allows more minerals to be released from the food we eat. So more minerals are available for absorption
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