The tiny black spots are mainly found on the outer layer of the Chinese cabbage stems, creating a mottled appearance that diminishes its visual appeal and raises doubts about its freshness. You may also notice some black spots on the inner leaf cells.
The occurrence of these black spots may be linked to the quantity of nitrogen fertilizer used, as a higher application of nitrogen fertilizer can lead to a greater likelihood of small black spots appearing. nitrogen /ˈnaɪtrədʒən/ 氮
The occurrence of these black spots on Chinese cabbage is influenced not just by the quantity of nitrogen fertilizer used but also by the specific variety of Chinese cabbage.
These black spots are typically considered physiological issues, primarily affecting the cabbage's aesthetics rather than its nutritional value or taste. They can be safely consumed without affecting one's appetite or health.
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