Which factor is important for maintaining coffee freshness?

Maintaining coffee freshness is crucial for ensuring that the flavor and aroma are preserved until it is ready to be brewed. One of the key factors in this process is protecting the coffee from elements that can degrade its quality, primarily light and moisture. Exposure to light can cause chemical reactions that degrade the coffee's freshness, while moisture can lead to mold and spoilage.

Grinding coffee just before brewing also plays an important role in freshness. When coffee is ground, it increases the surface area that is exposed to air, which can accelerate oxidation and lead to a faster loss of flavor. By grinding only what is necessary just before brewing, you minimize this exposure and retain more of the coffee’s essential oils and compounds that contribute to its taste profile.

Thus, the option that encompasses both the importance of shielding coffee from light and moisture, as well as the advantage of grinding right before brewing, is the most comprehensive in maintaining coffee freshness. This combination ensures that the coffee remains flavorful and aromatic, providing the best possible drinking experience.