date:Sep 14, 2012
and so on. Also chemical changes related to carbohydrates, fats, proteins, vitamins and minerals. AS also microbial changes are due to attack of mould, yeasts and bacteria.
Need for food preservation
Food needs to be preserved to increase shelf life and augment supplies. Seasonal fruits are available throughout the year. With preservation, it can add to the variety of the diet. It saves time by reducing preparation time and energy as consumption of fuel is brought down. From a commercial persp