60 NEW HAMPSHIRE EXPERIMENT STATION [Bull. 242 



Five-cent packages of sandwiches sold in waxed paper and con- 

 sisting of crackers with various fillings were found to contain nearly 

 200 calories each, or as much energy as that in the average 10-cent 

 fresh sandwich. 



Fifteen-cent servings of ice cream averaged about 200 grams in 

 weight, 500 calories of total energy and 7 grams of protein. The 

 energy value per ten cents of sundaes from the drug stores was about 

 250 calories or nearly 100 calories less than in the ice cream. One pint 

 of chocolate milk shake furnished from 450 to 500 calories and from 14 

 to 15 grams of protein. 



Sixty-six candies were analyzed and the results averaged in nine 

 groups a'^icording to their composition. Per gram of weight as pur- 

 chased, the average caloric values ranged from 6.4 with the group of 

 chocolate nut bars to 3.7 with the miscellaneous candies not chocolate 

 coated and containing no nuts. On the average, one can obtain not 

 far from 450 calories per ten cents in this form of food. 



Thirty-four dinners from the college cafeteria furnished from 

 517 to 1610 calories and from 10 to 60 grams of protein each, not 

 including the butter and beverage. Twenty-nine dinners from three 

 commercial restaurants in Durham contained from 456 to 805 calories 

 and from 19 to 43 grams of protein. Assuming that butter and a 

 glass of milk were taken with these meals, the calories per ten cents 

 ranged from 165 to 410 at the cafeteria and from 145 to 245 at the 

 restaurants, and the protein content per ten cents varied from 4 to 

 15 grams and from 6 to 11 grams, respectively. 



Twenty-two suppers selected at the cafeteria varied in energy 

 and protein content per ten cents in much the same manner as the 

 dinners. Food combinations served at the other restaurants at night 

 yielded from 70 to 385 calories and from 2 to 13 grams of protein per 

 ten cents (figures include glass of milk, if beverage was served, and 

 butter). 



The meals served each student at the home economics practice 

 house for a week averaged 2450 calories and 61 grams of protein per 

 day. 



The data on mixed meals indicate that the energy value of the 

 total food consumed per day, per week, or for any period of time may 

 be estimated with a relatively high degree of accuracy by obtaining 

 the air-dry weight of a food mixture and multiplying it by the factor 

 5. This procedure does away with the necessity for using either the 

 bomb or the oxy-calorimeter and gives the physician and the dietitian 

 a simple means of calculating the energy intake with a degree of 

 accuracy sufficient for most purposes. 



