Next to proteids in importance to all living things come the carbohydrates. They are composed of carbon, hydrogen, and oxygen, with always twice as much hydrogen as oxygen, and varying amounts of carbon.
Carbohydrates are found almost entirely in plants, whose tissues they largely compose. When animals eat them, they either make them over into proteid tissue or else oxidize them as fuel to produce heat and energy. Some are converted into fats and stored as such. Some common carbohydrates are:
The starches. Corn starch from corn, Potato starch " potato, Flour starch " wheat, Tapioca starch " cassava root ,The sugars. Cane sugar ^ SUgarC K ane ) (saccharose) Beet sugar sugar beet J Grape sugar " fruits (Glucose) Milk sugar " milk (Lactose) Cellulose. Complicated forms found in wood, paper, cotton, linen.
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