What makes some foods spoil faster than others?
Foods spoil at different rates mainly due to their moisture content, nutrient composition, and acidity. High-moisture foods like fresh meat, dairy, and cut fruits provide the ideal environment for bacteria, mold, and yeast to grow rapidly. Foods rich in proteins and fats also give microorganisms plenty of nutrients to feed on, accelerating decay.
Acidity plays a major role too. Highly acidic foods like vinegar-based products or citrus fruits naturally inhibit microbial growth, which is why they last longer. Temperature matters as well, since warmth speeds up both microbial activity and chemical reactions like oxidation. Foods with natural antimicrobial compounds, such as honey or dried spices, resist spoilage because those compounds actively suppress microbial growth.