tes? - Carbohydrates supply energy to out body, fibre for prevention against disease and taste and texture to food, they are found in cereals, potatoes, fruits and vegetables. Recommended: 4 to 12 grams/lb/day. Over the last 30 years, research into food and blood glucose response has completely changed our carbohydrate classification system.
It has been learned that it is impossible to predict the impact on blood glucose levels by certain foods, instead people are fed carbohydrate foods and the response measured. This response is known as the Glycaemic Index (GI), it is a measure of how quickly carbohydrate foods are digested and absorbed, as indicted by elevated blood glucose. The slower the rate of blood glucose increases the lower the GI.
Super Foods - In the food industry super-foods are called "functional foods". These foods provide a health benefit beyond the simple provision of nutrients or energy, and usually target a specific disease or condition. In most cases media headlines about the disease-fighting capacity of foods are hyped up versions of current research reality. Below is a summary of what some super-foods can and can't do for you.
Vitamins and Minerals - In general an adequate intake of vitamin and minerals can be achieved with a balanced diet. However, there may be a strong rationale for supplementation in specific nutrients.
Herbals - The latest herbal super-stars include Echinacea, gingko, and St John's Wart.上一页 [1] [2] [3] [4] 下一页 |
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