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Formaldehyde Used to Preserve Chinese Cabbage Sparks Nationwide Inspection

8/25/2026, 9:00:57 PM

Core Event

A video posted online showed workers in Kangbao county, Hebei province, dipping the roots of Chinese cabbage into a clear liquid before loading the heads onto trucks. Local authorities confirmed the liquid was a formaldehyde solution, a practice that is illegal under China’s Food Safety Law and the Law on Quality and Safety of Agricultural Products. Police have taken legal measures against the individuals and vehicles involved, and the State Council’s Food Safety Office, the Ministry of Agriculture and Rural Affairs, and the State Administration for Market Regulation have ordered immediate investigations and trace-back of the affected produce.

Background & Context

China produces well over 30 million tonnes of cabbage each year—nearly half of the world’s total—and exports large volumes to neighboring Asian markets, including Vietnam, South Korea and Russia. The practice of adding illegal preservatives to food has recurred in past Chinese scandals, such as the 2012 incident in Shandong province where formaldehyde was sold for treating cabbage. Food-safety experts note that while formaldehyde is a known Group 1 carcinogen, the health impact of low-level dietary exposure remains uncertain.

Data & Statistics

  • China’s cabbage output: >30 million tonnes annually.
  • Imports of kimchi into South Korea through July totaled 341,316.9 tonnes, of which 99.9 % originated from China.
  • The International Agency for Research on Cancer classifies formaldehyde as a Group 1 carcinogen, indicating sufficient evidence of cancer risk in humans.

Official Statements & Responses

  • Xinfadi market in Beijing announced that none of the tainted cabbage had entered its premises and that it had increased rapid testing for pesticide residues and illegal additives while maintaining stable cabbage prices (China Daily, FreshPlaza).
  • South Korea’s Ministry of Food and Drug Safety said it had strengthened inspections of Chinese cabbage at the border and would take “more measures if needed,” a commitment communicated in a text message on August 24.

Verbatim Quotes

  • “The wholesalers focused solely on their immediate economic interests while completely disregarding the lives and health of consumers. [They] crossed a legal red line and breached the moral bottom line.” — People's Daily
  • “Despite improvements, significant loopholes and challenges remain,” — Genevieve Donnellon-May
  • “The wholesalers focused solely on their immediate economic interests while completely disregarding the lives and health of consumers have crossed a legal red line and breached the moral bottom line, while also damaging the good reputation of local agricultural products and causing innocent losses to local farmers who comply with regulations,” — People's Daily

Conflicting Reports & Gaps

Chinese officials have not confirmed whether any of the affected cabbage shipments reached overseas markets, including South Korea, despite the latter’s heavy reliance on Chinese napa cabbage for kimchi production. The extent of domestic distribution within China also remains unclear, as tracing efforts are ongoing.

What’s Next

Local authorities are conducting county-wide inspections of vegetable production, purchasing, transportation and sales. The South Korean ministry indicated that additional border measures may be implemented after the August 24 notification if further violations are detected. The investigation’s findings will determine whether broader regulatory penalties are imposed.