A low glycaemic index value indicates the carbohydrate is typically high in what?

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Prepare for the WJEC Food Science and Nutrition Level 3 Test. Use multiple choice questions with instant feedback for effective study. Be confident and ready for the exam!

Multiple Choice

A low glycaemic index value indicates the carbohydrate is typically high in what?

Explanation:
Low glycaemic index means the carbohydrate is digested and absorbed more slowly, causing a gradual rise in blood glucose. Dietary fibre slows gastric emptying and the intestinal absorption of glucose, so foods high in fibre produce a smaller, slower glycaemic response. Therefore, a carbohydrate with a low GI is typically high in fibre. (Sugars give a rapid glucose spike, while fat and protein can slow absorption to some extent but aren’t the defining feature of a low-GI carbohydrate.)

Low glycaemic index means the carbohydrate is digested and absorbed more slowly, causing a gradual rise in blood glucose. Dietary fibre slows gastric emptying and the intestinal absorption of glucose, so foods high in fibre produce a smaller, slower glycaemic response. Therefore, a carbohydrate with a low GI is typically high in fibre. (Sugars give a rapid glucose spike, while fat and protein can slow absorption to some extent but aren’t the defining feature of a low-GI carbohydrate.)

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