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Would you like to eat or not ?: What little black dots on Chinese cabbage mean


ZEIT ONLINE | News, backgrounds and debates

Munich (dpa / tmn) - Chinese cabbage is suitable for wrapping cabbage roulades and works well in many salads. However, small black dots sometimes appear on its leaf margins or along the leaf veins and cause uncertainty. However, such places pose no health problems and can be eaten without hesitation, explains the Consumer Center Bavaria.

The points are individual cells that have died or become woody - experts refer to this as leaf margin necrosis. On the slightly jagged leaf margins they arise exactly where the leaf veins end in small bundles.

With a very good nitrogen supply, but also with little potassium, the phenomenon can occur more strongly. Sometimes the dots only develop after the harvest. So they can also appear during cold storage or in the household if the storage is too warm.

The points should not be confused with the brown wet rot, which can occur over a large area. According to consumer advocates, it is caused by fungi or bacteria - and you should cut away the damaged areas together with a good three centimeters healthy edge and wash the leaves thoroughly.

Source: zeit

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