Among the following foods consumed in equal available-carbohydrate portions, which produces the LOWEST glycaemic response?
- A White bread
- B White rice
- C Boiled lentils (pulses) ✓
- D Baked potato
Correct answer: C. Boiled lentils (pulses)
Explanation
Pulses have a low glycaemic index (typically below 40) because of their high fibre and resistant starch content, intact cell walls, and slow digestion. White bread and white rice have high glycaemic indices (around 70 to 75 and 60 to 90 respectively depending on variety and preparation), and baked potato has one of the highest values, often near 80 to 90. These differences form the basis of recommending pulses for diabetic diets in Indian practice.
Reference: Harrison's Principles of Internal Medicine, 21st ed.
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Written and medically reviewed by the StethoPrep medical team.