Scientifically how do you measure fat percentage in food?

Answer 1

Remember these three:

1 gram of Fat = 9 calories.

1 gram of Carbs = 4 calories

1 gram of protein = 4 calories

To get the percent of fat in potato chips you would need to figure out the fat gram, carb gram and protein gram.

Example: There are 10g of fat, 15 g of carbs, and 2 g of protein in a one serving bag of potato chips. So multiply

Fat: 10 g x 9 = 90 calories

carbohydrate: 15 g x 4 = 60

Protein: 2 g x 4 = 8

Add 90+60+8= 158 Total Calories in one serving bag of potato chips

Divide 90 calories of fat into 158 total calories (90/158 = 0.57 x 100 = 57%)

There are 57% fat in one serving bag of potato chips.

Georgia

Answer 2

Fat percentage in food can be measured using various methods like gravimetric analysis, chemical solvent extraction, and spectroscopic techniques like nuclear magnetic resonance (NMR) or infrared spectroscopy. Gravimetric analysis involves separating and weighing the fat content, while chemical solvent extraction uses solvents to extract and measure the fat. Spectroscopic techniques analyze the interaction of molecules with light to determine fat content.