Which of the following has the maximum calorific value?
Which of the following has the maximum calorific value?
مندرجہ ذیل میں سے کس کی زیادہ سے زیادہ کیلوری کی قیمت ہے؟
Explanation
1 g of fat provides 37 kJ of energy on oxidation while
1 g of carbohydrate on oxidation gives 17 kJ of energy.
Hence, fat has the highest calorific value.
| Food component | Energy density | |
|---|---|---|
| kJ/g | kcal/g | |
| Fat | 37 | 9 |
| Ethanol (drinking alcohol) | 29 | 7 |
| Proteins | 17 | 4 |
| Carbohydrates | 17 | 4 |
| Organic acids | 13 | 3 |
| Polyols (sugar alcohols, sweeteners) | 10 | 2.4 |
| Fiber | 8 | 2 |
ND23-4-2023