Sugars
Starches
Root and tuberous vegetables
Green vegetables
Fruits
Fats

Carbo-nitrogenous foods:

Cereals
Legumes
Nuts
Milk

Vegetables are mixtures of sugars and starches;

Fruits are mixtures of sugars, vegetable acids, and salts;

Milk, legumes, cereals, and nuts contain a more equal division of sugars, fats, and proteins, and are therefore represented as carbo-nitrogenous;

Lean meats, with the exception of shellfish, contain no starch, but all meats contain protein, fat, and water.

FoodstuffsInorganicWaterStarchesCorn-Starch
SaltsSago
Tapioca
CarbonaceousSugarsGlucose
(producingCane Sugar
heat & energy)Syrups
Honey
FatsLard
OrganicOlive Oil
Butter
ProteinsEgg Albumin
NitrogenousGluten
(for growthLean Meat
and repair)

In the above tabulation, examples are given of foodstuffs which are almost pure representatives of their classes.

Corn-starch, sago, and tapioca are practically pure starch, containing very little of any other element;