PREFACE vii

_Lesson I_

THE INTERRELATION OF FOOD CHEMISTRY AND PHYSIOLOGICAL

CHEMISTRY 1

Food Chemistry and Physiological Chemistry United 3

Relation of Superacidity to Other Dis-eases 6

Chart Showing the Number of So-called Dis-eases Caused by

Superacidity 9

Natural Laws Demand Obedience 11

How to Make Nutrition a Science 14

Our Food Must Fit into Our Civilization 17

Why the Science of Human Nutrition is in Its Infancy 18

_Lesson II_

SIMPLE PRINCIPLES OF GENERAL CHEMISTRY 23

Chemical Elements 27

Air and Oxygen 32

Manufacture of Oxygen 33

Chemical Action of Oxygen:

(_a_) Upon Substances 36

(_b_) In Living Bodies 38

Hydrogen and Water 42

Uses of Water in Chemistry 48

Importance of Solution to the Food Scientist 50

Importance of Water in the Human Body 52

Uses of Water in the Body 53

Nitrogen and Nitrogen Compounds 58

Chlorin 63

Hydrochloric Acid 64

Acids, Bases, Neutralization, Salts 68

Principles of Neutralizing Alkalies 71

Fluorin, Bromin, Iodin 73

Mineral Sulfur 73

Vegetable Sulfur in the Human Body 75

Metals 76

_Lesson III_

ORGANIC CHEMISTRY 79

Carbon 81

Inorganic Carbon Compounds 83

Carbon Dioxid 83

Relation of Carbon Dioxid to Life 85

Carbon Monoxid 86

Organic Carbon Compounds 87

Classification of Organic Carbon

Compounds:

_a_ Hydrocarbons 89

_b_ Alcohols 91

_c_ Glycerin 92

_d_ Aldehydes and Ethers 93

_e_ Organic Acids 94

Organic Nitrogenous Compounds 99

_Lesson IV_

CHEMISTRY OF FOODS 103

Carbohydrates 107

Classification of Carbohydrates 108

_a_ Monosaccharids 109

_b_ Disaccharids 112

_c_ Polysaccharids 114

Fats and Oils 122

Proteids or Nitrogenous Food Substances 125

Mineral Salts in Food 131

_Lesson V_

CHEMISTRY OF DIGESTION 135

Digestive Organs and Digestive Juices 137

Saliva 142

Gastric Juice 144

Composition of the Gastric Juice 147

Bile 153

Pancreatic Juice 153

Intestinal Juices 157

The Secretion of Digestive Juices 158

Abnormal Chemical Changes in the Digestive Organs 165

The Decomposition of Food 173

Digestive Experiments 175

Mechanics of Digestion 180

The Muscular Movement of Digestive Organs 187

_Lesson VI_

CHEMISTRY OF METABOLISM 191

The Building of Actual Body-tissue 195

The Generation of Heat and Energy 197

The Measure of Human Energy 199

Metabolism of Carbohydrates 202

Metabolism of Fat 205

Metabolism of Proteids 209

The Use of Proteids in the Body 210

The Action and the Composition of Proteids 213

Food Standards 217

True Food Requirements 226

_Lesson VII_

FOODS OF ANIMAL ORIGIN 233

Meat 250

1 Flesh or Lean Meat 250

2 Animal Fats 254

Cold Storage of Meat 256

Contagious Dis-eases and Animal Food 258

Fish 260

Poultry as an Article of Food 262

Effects of Feeding Poultry 265

Eggs 269

Milk 273

The Adulteration of Milk 279

Milk Pasteurization 280

Cheese 282

Butter 283

Oleomargarin 285

Encyclopedia of Diet: A Treatise on the Food Question, Vol. 1 · 第 12 / 143 题