Pellagra, dietetic treatment in, 455, 456, 459 Peppers, ash constituents of, 476 composition of, 492 food content of, 481 fuel value of, 469, 492 nutrient value of, 469 Pepsin, 171 Peptonized milk, preparation of, 88 Peptonized milk punch, preparation of, 89 Peptonoids, dry, composition of, 488 fuel value of, 488 liquid, composition of, 490 fuel value of, 490 Percentage calculations, 79, 229 Perch, _see_ Fish Persimmons, ash constituents of, 476 fuel value of, 469 nutrient value of, 469 Phosphoproteins, 21 Phosphorized fats, 15 Phosphorus, 27, 186 requirements in pregnancy and lactation, 191 sources of in food, 5 Pies, fuel value of, 469 nutrient value of, 469 Pig heart, vitamines in, 496 Pineapple, ash constituents of, 476 composition of, 492 food content of, 481 fuel value of, 469, 492 nutrient value of, 469 standard portion of, 481 Pineappleade, preparation of, 97 Pine nuts, fuel value of, 469 nutrient value of, 469 Pistachios, fuel value of, 469 nutrient value of, 469 Placenta, vitamines in, 496 Plums, ash constituents of, 476 composition of, 492 food content of, 481 fuel value of, 469, 492 nutrient value of, 469 standard portion of, 481 Pneumonia, 306, 311 convalescent diet in, 307 diet schedules for, 307 dietetic treatment in, 306, 307, 311 Poached eggs, preparation of, 101 Poaching, 71 Poisoning, food, 66, 451 Polysaccharides, 8, 11 Pomegranates, ash constituents of, 476 fuel value of, 469 nutrient value of, 469 Pork, 116, and _see_ Meat fuel value of, 469 nutrient value of, 469 vitamines in, 498 Port wine, composition of, 492 fuel value of, 492 Postoperative feeding, 316, 319, 320 Potassium, sources of in food, 6 Potato chips, fuel value of, 469 nutrient value of, 469 Potatoes, ash constituents of, 476 composition of, 492 food content of, 481 fuel value of, 469, 492 nutrient value of, 469 standard portion of, 481 vitamines in, 496 Potatoes stuffed with meat, preparation of, 130 Poultry, 112, and _see_ Meats Pregnancy, 191 albuminuria in, 197 diet in, 192, 193, 194, 196, 197 nutritional disturbances in, 191 Premature infants, dilution of food for, 225 energy requirements of, 224 feeding of, 224, 225, 229 Pre-operative feeding, 312, 318, 320 Presbyterian Hospital diet list in typhoid fever, 292 Protein milk, preparation of, 142