Normal chenpi should have a mild aged citrus aroma, not a plastic smell. Off-odors are usually linked to packaging or storage issues.
Possible Causes
- Packaging material: long-term sealing in plastic can dull aroma or introduce off-odors;
- Storage environment: damp conditions can lead to spoilage or unwanted smells;
- Processing: certain processing methods may leave unusual odors.


Tips
Use low-odor packaging, keep storage dry and ventilated, and inspect chenpi periodically.
