Foods that you must not refrigerate in summer

Tomatoes: They lost their texture and flavour, and become mushy when refrigerated. 

Oils: They are safe to store at room temperature, except nut-based oils that can be kept in refrigerator.

Potatoes: Refrigeration degrades the flavour of potatoes, as it contains moisture.

Bread: Keeping it in the fridge causes it to dry faster and become rotten in summer. 

Ketchup and Soy sauce: Due to vinegar and preservatives, they will stay fresh without refrigeration.

Onions: Storing it in a refrigerator softens them and make them moldy.

Fruits like Avocado, apples, bananas, citrus fruits, berries, and peaches must never be refrigerated as it degrades their flavours.

Pickles: Packed with preservatives, pickles will stay fine outside the fridge, especially in summer.

This information is not DNA's opinion but obtained from media reports