Food Supy

Páginas: 4 (956 palabras) Publicado: 12 de abril de 2012
Food supply
1. Discuss ways in which modern technology has resulted in increased food production
2. Discuss the problems in world food supply
3. Discuss the problems which contributesto famine
4. Bibliography

1. Several factors:
The development of machinery is able to processes raw food faster and more efficiently.
Development of new pesticides means less destructionof crops by pests
Newer irrigation systems and methods means more land can be farmed
research into fertilizers increases plant growth
Research into new farming techniques. 
selective breeding ofanimals and crops
genetic engineering leads to plants and animals that are more resilient to disease, and produce more useable food matter.
Development of chemistry and processing techniques meansthat certain byproducts of plants/animals that may have been useless in the past, are being processed into something useable.

Several companies in the food industry have played a role in thedevelopment of food technology. These developments have contributed greatly to the food supply. Some of these developments are:
* Instantized Milk Powder: Peebles (U.S. patent 2,835,586)developed the first instant milk powder, which has become the basis for a variety of new products that are rehydra table in cold water or milk. This process increases the surface area of the powderedproduct by partially rehydrating spray-dried milk powder.
* Freeze-drying: The first application of freeze drying was most likely in the pharmaceutical industry; however, a successful large-scaleindustrial application of the process was the development of continuous freeze drying of coffee.
* High-Temperature Short Time Processing: These processes for the most part are characterized by rapidheating and cooling, holding for a short time at a relatively high temperature and filling aseptically into sterile containers.
* Decaffeination of Coffee and Tea: Decaffeinated coffee and tea...
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