Introduction  
  What is food?  
  What happens to the food we eat?  
Our nutrient needs  
  Energy balance  
  Nutritional status  
  Laws & labels  
  Additives & colours  
  Toxicity in food  
  Processing food
  Stability of food nutrients  
  Storage life of foods  
  Food- associated health problems  

- Processing Food -

Use of fertilizers

The use of fertilizers containing nitrogen can result in a small increase in protein content of some foods. But the amount of vitamin C is usually decreased, probably because of the increased growth of the fruit or vegetable.

Since plant roots absorb nutrients in an inorganic form there is no nutritional difference between plants that have been organically fertilized and those fertilized using conventional fertilizers. The nutrients provided by both kinds of fertilizer are effectively the same.

 

 

Food Facts
- Processing can affect food nutrient content
Use of fertilizers
- Milling
- Controlled atm. storage
- Cutting, triming, etc
- Blanching
- Cooking
- Freezing
- Dehydration
- Canning
- Pasteurization
- Toasting
- Sprouting
Figures:
31: How to minimize nutrient losses during cooking
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