How does the freshness of coffee affect its taste?

Freshness plays a crucial role in determining the flavor and aroma of coffee. When coffee beans are freshly roasted, they contain optimal levels of volatile compounds that contribute to the rich sensory experience of coffee. Over time, these compounds begin to degrade due to exposure to air, light, and moisture, which diminishes the overall flavor profile.

Fresh coffee typically delivers a vibrant and complex taste, allowing the unique characteristics of the beans, such as their origin and processing methods, to shine through. This is in stark contrast to older coffee, which may taste flat, stale, or lacking in depth. The fresh aromas of coffee can also evoke pleasant sensory responses, making the drinking experience more enjoyable. While factors like grind size, brewing method, and water quality also play important roles in how coffee tastes, the freshness of the beans is foundational for achieving the best flavor and aroma.