
Seoul stepped up border checks on Chinese cabbage after sellers used formaldehyde as a preservative. The timing hits just before the peak kimchi-making season, threatening supply for Korean food firms that rely on China for 99.9% of kimchi imports.
South Korea has stepped up border checks on Chinese cabbage after sellers were caught using formaldehyde to preserve the vegetables, the Ministry of Food and Drug Safety said Monday. The ministry said it was investigating whether tainted produce had already entered the country and that additional measures would follow if needed.
The scandal broke when videos circulated online showing workers in Kangbao county, in northern China's Hebei province, dipping cabbage roots into liquid before loading them onto trucks. Local authorities confirmed formaldehyde had been used during purchasing and transport, according to Chinese and Korean media reports. China's State Administration for Market Regulation said it had launched spot checks and that any violations would be severely punished with zero tolerance.
Cabbage is the key ingredient in kimchi, a fermented dish central to Korean cuisine. South Korea is heading into kimjang, the traditional kimchi-making season that runs from late autumn through year end. While Korea grows most of its own cabbage, imports from China have become a crucial supply channel for restaurants and food-service businesses seeking lower-cost produce.
The trade numbers underscore the dependence. Of the 341,316.9 tons of kimchi South Korea imported in the 12 months through July, 99.9% came from China, customs data show. China also supplied nearly all imports of napa cabbage, the variety traditionally used in kimchi.
For South Korean food companies that rely on Chinese cabbage, the tighter inspections risk squeezing supply at the worst possible moment. Demand for cabbage peaks during kimjang season, when households and commercial kitchens prepare large batches of kimchi for winter storage. Any disruption to Chinese imports, even a temporary one stemming from tighter screening, could push up costs for Korean food manufacturers and restaurant chains.
A Seoul-based food ingredients importer said his firm had already seen spot prices for Chinese napa cabbage rise 15% in the past week as news of the scandal spread. He asked not to be named because he was not authorized to discuss prices publicly. The ministry's Monday statement did not specify how long the enhanced inspections would last. Officials said only that they would take additional steps if the situation warranted.
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