Yes, you can drink 10-year-old tea, but it may not be enjoyable.
According to the provided reference, while drinking expired tea isn't dangerous like eating spoiled meat, it offers a less-than-ideal experience. The tea's flavor will likely be muted and the aroma diminished. However, it's important to note that old tea will not harm you unless it is moldy.
Understanding Old Tea
Here's a more detailed look at what happens to tea over time:
- Flavor Changes: Tea's complex flavor compounds degrade over time, leading to a loss of its original taste profile. You might find the tea tastes weak, flat, or even slightly stale.
- Aroma Loss: The volatile oils that give tea its pleasant aroma also diminish, resulting in a less fragrant cup.
- Safety: Unlike some food products, dry tea does not readily support bacterial growth. However, the one thing to be aware of is mold. If you see any signs of mold on the tea, it should be discarded to prevent any possible health risks.
Key Considerations for Old Tea:
Before you brew that decade-old tea, consider these points:
- Storage Conditions: How the tea was stored significantly impacts its condition. If it was kept in a cool, dry, and airtight container away from strong odors and light, it will likely be in better condition than tea that was not properly stored.
- Type of Tea: Certain teas, like puerh, can improve with age. However, this is a carefully controlled process, and most common types of tea (such as black, green, or herbal) won't benefit from long-term storage.
- Visual Inspection: Always inspect the tea for any signs of mold or pests. If you see anything suspicious, it's better to discard it.
- Brew a Small Test Batch: If you're unsure, brew a small amount to sample before committing to a full pot.
Example
Let's say you have a tin of black tea you bought ten years ago. If the tin was sealed and stored in a cool, dark pantry, the tea will likely be safe to drink, but the flavor won't be as robust as when it was fresh. It is likely to have a very mild or even stale flavour.
Summary
While drinking 10-year-old tea is generally safe, don't expect a high-quality experience. The flavor and aroma will likely be diminished. Ensure there are no signs of mold before consuming. If you are unsure, brew a small sample first.