From: A review on mechanisms and commercial aspects of food preservation and processing
Natural preservative | Example of food items | Functions |
---|---|---|
Salt | Salted fish | Salt and sugar draw the water out of microorganisms and retard the growth of microorganisms |
Sugar | Jam | |
Vinegar | Pickled mango | Vinegar provides an acidic condition which creates an unfavorable condition for microorganisms |
Rosemary extract | Mayonnaise, margarine, oils and fats, etc. | Rosemary extracts work as antioxidant |