The number of ounces in a pound (16 oz.) is to the num- ber of calories in any given food as x is to 100 (calorie portion). EXAMPLE : — (Milk 325 calories to 1 pound) 16 (oz.):325::z:100 = 4.9 Hence 4.9 oz. of milk will yield upon oxidation 100 calories. NOTE. — Students compute 100 calorie portions of various foods from "Percentage Composition of Food," comparing results with table of "100 Calorie Portions." Compute dietaries of amount of food required by persons of various ages and occupations, by 100 Calorie Portion Method, estimating cost. Cook and serve a dinner or luncheon, serving the food in 100 calorie portions . 204 DOMESTIC SCIENCE 100-CALORIE PORTION METHOD Dietary for Man doing Light Muscular Work Total calorie requirement 3000 to 3500 calories. Protein requirement, 12% total calories 360 to 420 calories. FOOD AMOUNT PROTEIN CALORIES FATS CALORIES CARBO- HYDRATES CALORIES TOTAL CALORIES Breakfast Prunes . . 3 3 0 97 100 Oat meal If large serving 18 0 75 100 Milk . . . Small glass 19 52 29 100 Eggs 2 large 64 136 — 200 Ham, cooked Small serv- ing 14 86 — 100 Bread . . 1 slice 13 6 81 100 Butter . . 1 pat 0.5 99.5 0 100 Coffee . . 0 0 0 0 Sugar . . 3 teaspoons 0 0 100 100 Dinner Beef, round 1 serving 90 10 — 100 Cabbage 3f oz. 10 4 36 50 Corn . . . 1 side dish 13 10 77 100 Potatoes, mashed . 1 serving 10 25 65 100 Bread . . 2 slices 26 12 162 200 Butter . . 1 pat 0.5 99.5 0 100 Pickles . . 1.4 oz. 1.8 1.5 6.7 10 Tea . . . 0 0 0 0 Sugar . . 3 teaspoons 0 0 100 100 Apple pis . Walnuts 1 piece 6 15 10 96 83 189 7 300 100 Supper Bean soup . 1 large plate 20 20 60 100 Crackers 3 Uneeda 9.4 20 70.6 100 Cheese . If -in. cube 25 73 2 100 Bread . . 2 slices 26 12 162 200 Butter . . 1 pat 0.5 99.5 0 100 Buttermilk If glass 34 12 54 100 Baked apples 3.3 oz. 2 5 93 100 Gingerbread 1 square 12 46 142 200 Total . . 436.7 1015 1608.3 3060 DIET AND NUTRITION 205 TABLE OF 100-CALORIE PORTIONS FOOD VALUES "Food and Dietetics," Norton, Published by American School of Home Economics, Chicago FOOD PORTION CON- TAINING 100 CALORIES (APP.) GRAMS OUNCES PRO- TEIN FAT CAR- BOHY- DRATES Cooked Meals Beef, round, boiled, fat Small serving 36 1.3 40 60 0 Beef, round, boiled, lean Large serving 62 2.2 90 10 0 Lamb chops, boiled 1 small chop 27 0.96 24 76 0 Lamb, leg, roasted Ordinary serving 50 1.8 40 60 0 Ham, boiled, fat Small serving 20.5 0.73 14 86 0 Veal, leg, boiled . . Small serving 67.5 2.4 73 27 0 Uncooked Meats, Edible Portion Beef loin, lean . . Ordinary serving 50 1.8 40 60 0 Porterhouse steak . Small serving 36 1.3 32 68 0 Sirloin steak . . . Small serving 40 1.4- 31 69 0 Beef ribs .... Ordinary serving 52 1.8 42 58 0 Beef, round . . . Ordinary serving 63 2.2 54 46 0 Chicken, broilers Large serving 90 3.2 79 21 0 Liver, veal . . . 2 small servings 79 2.8 61 39 0 Mutton, leg . . . Ordinary serving 50 1.8 41 59 0 Pork chops, loin Very small serving 27 0.97 18

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The number of ounces in a pound (16 oz.) is to the number of calories in any given food as x is to 100 (calorie portion). EXAMPLE : — (Milk 325 calories to 1 pound) 16 (oz.):325::z:100 = 4.9 Hence 4.9 oz. of milk will yield upon oxidation 100 calories. NOTE. — Students compute 100 calorie portions of various foods from "Percentage Composition of Food," comparing results with table of "100 Calorie Portions." Compute dietaries of amount of food required by persons of various ages and occupations, by 100 Calorie Portion Method, estimating cost. Cook and serve a dinner or luncheon, serving the food in 100 calorie portions . 100-CALORIE PORTION METHOD Dietary for Man doing Light Muscular Work Total calorie requirement 3000 to 3500 calories. Protein requirement, 12% total calories 360 to 420 calories. AMOUNT FATS TOTAL Breakfast Prunes . . Oat meal If large serving Milk . . . Small glass Eggs 2 large — Ham, cooked Small serving — Bread . . 1 slice Butter . . 1 pat 0.5 99.5 Coffee . . Sugar . . 3 teaspoons Dinner Beef, round 1 serving — Cabbage 3f oz. Corn . . . 1 side dish Potatoes, mashed . 1 serving Bread . . 2 slices Butter . . 1 pat 0.5 99.5 Pickles . . 1.4 oz. 1.8 1.5 6.7 Tea . . . Sugar . . 3 teaspoons Apple pis . Walnuts 1 piece Supper Bean soup . 1 large plate Crackers 3 Uneeda 9.4 70.6 Cheese . If -in. cube Bread . . 2 slices Butter . . 1 pat 0.5 99.5 Buttermilk If glass Baked apples 3.3 oz. Gingerbread 1 square Total . . 436.7 1608.3 TABLE OF 100-CALORIE PORTIONS FOOD VALUES "Food and Dietetics," Norton, Published by American School of Home Economics, Chicago PORTION CON- TAINING 100 CALORIES (APP.) GRAMS OUNCES PRO- TEIN FAT CAR- BOHY- Cooked Meals Beef, round, boiled, fat Small serving 1.3 Beef, round, boiled, lean Large serving 2.2 Lamb chops, boiled 1 small chop 0.96 Lamb, leg, roasted Ordinary serving 1.8 Ham, boiled, fat Small serving 20.5 0.73 Veal, leg, boiled . . Small serving 67.5 2.4 Uncooked Meats, Edible Portion Beef loin, lean . . Ordinary serving 1.8 Porterhouse steak . Small serving 1.3 Sirloin steak . . . Small serving 1.4- Beef ribs .... Ordinary serving 1.8 Beef, round . . . Ordinary serving 2.2 Chicken, broilers Large serving 3.2 Liver, veal . . . 2 small servings 2.8 Mutton, leg . . . Ordinary serving 1.8 Pork chops, loin Very small serving 0.97

A textbook of domestic science for high schools