Tag Archives: food preservation

Food Preservation?

What foods can not be preserved by refrigeration?

What are the utensils and equipments used in food preservation?

I need the specific utensils that are used in preserving foods…like for example the jars used in making achara…
i have hir samples like freezer,pH pen…the ones used in laboratory..im a nutrition student so i wud like to have answers dat wud help me….