write a detailed note on food preservation
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At every point and in every level of development, countries need to make choices between often conflicting goals. Developing countries desire to ensure energy for all at a competitive price to achieve and sustain economic growth and poverty reduction. The energy poverty experienced in these regions has been linked with the high level of income and non-income poverty in the regions. In their desire to develop and improve the standards of living of their citizens, these countries will opt for the goals of economic growth and cheap energy for all. This may lead to environmental pollution and degradation. More so, energy access, and at a lower price, is necessary to make the industries in developing countries competitive and contribute to economic growth, job creation and development. Ensuring energy access to the population and enhancing the competitiveness of local industries may require providing energy at lower prices through energy subsidies. This will encourage energy over-consumption, waste and inefficiency and also fuel environmental pollution.
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Food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter.
- Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.