Explain the pre-treatments and operations of fruits and vegetables.

Pre-treatments and operations play a crucial role in post-harvest management of fruits and vegetables, ensuring the maintenance of quality, shelf life, and safety of the produce. These processes are essential to minimize losses, preserve nutritional value, and maintain the appearance, flavor, and texture of the products during storage, transportation, and marketing. The primary pre-treatments and operations involved are cleaning, sorting, grading, packaging, and various types of treatments aimed at reducing spoilage and extending shelf life.

Cleaning is the first step in post-harvest handling. Fruits and vegetables are usually harvested from the field with soil, dust, and other contaminants. Cleaning involves removing these unwanted materials to prevent contamination, which can lead to spoilage or decay. It can be done manually or mechanically, with the help of water jets, brushes, or specialized equipment. This step also helps in removing pesticide residues, dirt, and fungal spores. However, it is important to use clean, potable __________ _________ ______ __________ __________ _____ ___ ________ ________.
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