Expiration & Storage Tips
When does szechwan peppercorns expire?
Unopened, whole Szechwan peppercorns can retain their freshness and potency for about 3 to 4 years if properly stored. Once opened, they typically last around 1 to 2 years, although the potency may gradually decrease over time. For ground Szechwan peppercorns, they may lose their potency faster within 6 months to a year. Frozen Szechwan peppercorns can also retain their potency for several years, but they are rarely stored in this way as freezing may alter the material texture. However, freezing doesn't affect their heat and spiciness that much.
How do you tell if szechwan peppercorns is bad?
The best way to tell if your Szechwan peppercorns have gone bad is through their smell and color. These peppercorns are known for their dynamic aroma which is a mix of citrus, earthy and slightly floral scents. So, if they have lost their distinctive fragrance and don't release any aroma when crushed, they’ve probably gone stale. Also, if they have lightened in color to a dull brown or grey, it's a good indication they have oxidized and are past their prime.
Tips for storing szechwan peppercorns to extend shelf life
• Store Szechwan peppercorns in an airtight glass or plastic container.
• If possible, buy whole Szechwan peppercorns and grind them as needed to preserve their flavor.
• Keep the container in a dark, dry, and cool place, such as a pantry or cupboard, away from heat, moisture, and direct sunlight.
• Don’t use damp spoons or allow any moisture to get into the container, as these can lead to mold growth.
• Occasionally, give the peppercorns a good sniff. If they no longer smell fragrant, consider replacing them.