To prevent bitterness in stored barley flour, store it in an airtight container in a cool, dark, and dry place, and consider adding an oxygen absorber to the container.
Barley flour can develop a bitter taste over time due to oxidation of its oils and absorption of moisture. Proper storage is crucial to maintaining its quality and preventing this bitterness. Here's a step-by-step guide:
Choose the Right Container: Select an airtight container made of glass, metal, or food-grade plastic. This will prevent moisture and air from entering and degrading the flour.
Cool, Dark, and Dry Environment: Store the container in a cool, dark, and dry place. High temperatures and exposure to light accelerate oxidation and rancidity. A pantry or a cool basement are good options.
Control Humidity: Moisture is a major enemy of flour. Consider using a desiccant packet or an oxygen absorber inside the container to further reduce moisture and oxygen levels. These packets are readily available online or at specialty food stores.
Proper Sealing: Ensure the container is properly sealed after each use. This prevents air and moisture from entering and affecting the flour's quality.
Regular Inspection: Periodically check the flour for any signs of spoilage, such as a rancid odor or visible mold. If you notice any of these signs, discard the flour.
For longer storage (over 6 months), consider storing barley flour in the freezer. This significantly slows down oxidation and rancidity, preserving its flavor and quality for an extended period. Just be sure to bring it to room temperature before using.