VTPB 221 Lecture Notes - Lecture 4: Staple Food, Frito-Lay, Relapsing Fever
15 May 2016
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Notes: food security: disease and the food supply. Eaten regularly as dominant portion of diet; inexpensive; can be stored long time; provide carbs, protein, and fat; high energy and nutrients needed; most ppl in world live on small # of staples. Most common: rice, potatoes, beans, wheat, oats, barley, corn: grains, tubers, legumes, seeds. 15 crops provide 90% of world"s food energy: 2/3 is rice, corn, and wheat of human food consumption these 3=staple food of over 4 billion ppl. Potatoes: originate from indies: domesticated by inca in peru and bolivia, introduced to euro. about 500 yrs. ago by spanish, initially used in euro. as animal feed bc plant looks like deadly nightshade=poisonous, irish. Started to cultivate in euro. as human food in 1700s. Small island; poor; no valuable natural resources except fish; unproductive soil and miserable weather; invaded by.
