Frozen green beans may more closely match the texture and color of fresh beans. Canning preserves food in jars and uses heat to kill microorganisms. Pickled foods use acid to prevent microorganisms from growing. They're also heated in jars at boiling temperatures. Jams and Jellies.
Sugar is used to prevent microorganisms from growing.
These products are either canned, frozen or refrigerated. This method uses temperature to slow the growth of microorganisms. Drying preserves food by removing the moisture from food so microorganisms can't grow. Planning ahead is essential when preserving food at home. Following these simple steps will help you avoid wasting time and energy, both scarce commodities during the busy summer months.