Question

One slice of bread contains 18 g carbohydrates, 4 g protein, and 1.5 g fat. approximately how many kcal are in one slice

Answer 1

One slice of bread with 18 g carbohydrates, 4 g protein, and 1.5 g fat has approximately 101.5 kcal.

Step-by-step explanation:

To determine the caloric content of one slice of bread that contains 18 g carbohydrates, 4 g protein, and 1.5 g fat, we need to know the average number of calories provided by each macronutrient. Carbohydrates and proteins each provide about 4 calories per gram, whereas fats provide about 9 calories per gram. Using these values:

• Carbohydrates: 18 g × 4 kcal/g = 72 kcal
• Protein: 4 g × 4 kcal/g = 16 kcal
• Fat: 1.5 g × 9 kcal/g = 13.5 kcal

The total caloric content is the sum of the calories from each macronutrient, which is 72 kcal + 16 kcal + 13.5 kcal = 101.5 kcal per slice of bread.

Answer 2

To find out the energy available from a food, work it out by multiplying the number of grams of carbohydrate by 4kcal/g, protein by 4 kcal/g, and fat by 9kcal/g. Then get the sum of the results.

So we have,

18g carbohydrate x 4 kcal/g = 72 kcal
4g protein x 4 kcal/g = 16 kcal
1.5g fat x 9kcal/g = 13.5 kcal
Total = 101.5 kcal

Therefore, one slice of bread contains 101.5 kcal.