The eachcornkernelcontainsfourmajor

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Unformatted text preview: basis, with net usage ~22%. In 2005 ethanol accounted for ~15% of the overall corn consumption. (Million Bushels) overall Seed 20 Alcohol 135 Cereal/Other 190 Sweeteners 220 Starch 285 High Fructose CS 535 Ethanol 1575 Export 1850 Feed/Residual 6000 It take 3.6 pounds of grain to grow a It take pound of beef (live weight­includes bone, fat, etc.). Most other meats fare a bit better. Pork requires about 3.5 pounds while chickens gobble down about 3 pounds of feed per pound of meat produced. Fish (farmed salmon), the most efficient of the bunch, requires 1.2 pounds of feed for every pound of fish. Another source It takes 7 lb. of corn to It takes produce 1 lb. of beef, 6.5 lb. to produce 1 lb. of pork, 2.6 to produce 1 lb. of chicken. Number of people whose caloric needs can be Number of people whose caloric needs can be met on 2.5 acres of land for the following foods : Beef Eggs Milk Chicken 2 Wheat Corn Rice 19 Potatoes 22 Cabbage 23 1 1 2 15 17 The endosperm accounts for about 82 % of the kernel’s dry weight and is the source of energy (starch) and protein for the germinating seed. Starch is the most widely used part of the kernel and is used as a starch in foods—or as the key component in fuel, sweeteners, bioplastics and other products. other The pericarp is the outer covering that protects the The kernel and preserves the nutrient value inside. It resists water and water vapor—and is undesirable to insects and microorganisms. The germ is the only living part of the corn kernel. The germ contains the essential genetic information, The enzymes, vitamins and minerals for the kernel to enzymes, grow into a corn plant. About 25 % of the germ is corn oil—the most valuable part of the kernel, which is high in polyunsaturated fats and has a mild taste. is The tip cap is the attachment point of the kernel to the cob, The through which water and nutrients flow—and is the only area of the kernel not covered by the pericarp. the Each corn kernel contains four major Each corn...
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