What chemical compound(s) is/are thought to be responsible for the taste of bitter? Sour? Salty? Sweet?
Bitter tastes are caused by compounds such as caffeine, theobromine, phenolic compounds, and alkaloids. Acidic compounds made up of hydrogen (H+) ion concentrations cause a food to taste sour. Acids are present in fruits, vinegar, and certain vegetables. Salty tastes are evident when food contains ionized salts such as the salt ions [Na+] in sodium chloride (NaCl) or other salts. Sugar's sweetness comes from the chemical configuration of food molecules. Sugars, glycols, alcohols, and aldehydes cause sweet tastes.
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Joe would like to lose two pounds a week. If his present energy intake is 4,200 kcal a day and his energy expenditure does not change, how many kilocalories should he consume each day to achieve his goal?
A. 2,000 kcal B. 2,500 kcal C. 3,200 kcal D. 3,700 kcal
During prolonged starvation, the greatest amount of organ deterioration in the body occurs in the stomach and the intestinal tract
Indicate whether the statement is true or false
Which activity has the highest average calorie output per pound of body weight?
a. cycling (20 mph) b. swimming (40 yd/min) c. cross-country skiing (10 mph) d. jogging (7 mph) e. racquetball (vigorous intensity)
Why is it important to develop an eating plan that incorporates adequacy, balance, calorie control, moderation, and variety in order to prevent or delay the development of a nutrition-related chronic condition?