Health Sciences 1001A/B Lecture Notes - Lecture 5: Canola, Nutrient, Calorie

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 1001A/B
• Professor: Shauna Burke

Document Summary

O proteins, fats, carbohydrates, vitamins, minerals and water. Essential = must get substances from foot because body is unable to manufacture them (or not enough to meet physiological needs) Energy in food expressed in kilocalories = scientific expression of the energy value of food. Diet and nutrition: an area in which you have high control, provides body with the nutrients required to produce energy, repair damaged tissue, promote tissue growth, regulate physiological processes. Choosing a healthy diet involves: knowing which nutrients are necessary and in which amounts, translating those requirements into a diet consisting of foods you like and that are available/affordable. Saturated: typically solid at room temperature, found naturally in animal products ( meat and cheese) Monounsaturated: typically liquid at room temperature, usually from plant sources (olive and canola oil) Polyunsaturated: typically liquid at room temperature, usually from plant sources, includes 2 essential fatty acids (soybean and corn oil: trans fatty acids = unsaturated fatty acids produced by hydrogenation.