EXCI 233 Lecture Notes - Lecture 2: Carbohydrate, Calorie, Digestion
11 Dec 2017
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1: calories, simple carbohydrates, non-nutritive sweeteners, complex carbohydrates, digestion and absorption of carbohydrates, carbs and disease, carbs and dris. Plants break down glucose to get energy to power growth, reproduction and repair. Plants take co2 out of the air and use the sun"s energy to make glucose. We eat plants and break down glucose to power our own growth, reproduction and repair. The energy content of food is measure in calories. A calorie is a unit that measures heat energy. The same way that a centimetre is a unit that measures distance. A calorie is the heat energy necessary to raise the temperature of 1 gram of water. But when we measure calories in food, we measure it in kilocalories or calories. A kcal or calorie is the heat energy necessary to raise the temperature of 1,000 grams of water 1 celsius. Energy is stored within the c-h bonds. glucose lipid protein.
