Interior color alone is not enough to judge chenpi quality. It should be assessed together with appearance, aroma, and aging time. Below is a practical overview.
Color and Aging
- Yellowish or off‑white: With shorter aging, the interior is often pale. The aroma tends to be brighter and more fresh.
- Dark or nearly black: As aging progresses, the interior darkens. The aroma becomes more mellow and the flavor more rounded, which suits milder flavor profiles in cooking or brewing.
Other Quality Factors
- Integrity: Good chenpi should be intact, dry, and free of insect damage or mold. If the dark color is caused by mold, it should not be used.
- Aroma: Regardless of color, it should have a natural aged citrus aroma. Sharp or sour off‑odors usually indicate poor quality.
- Origin and cultivar: Different growing areas and citrus varieties can produce differences in color and aroma, so origin information and direct evaluation are helpful.
Overall, interior color is only a reference. A more reliable assessment combines appearance, aroma, and aging level.