A producer in Taiwan self-reported that its camellia oil products exceeded the standard for benzo(a)pyrene, United Daily News reported, and the New Taipei City health bureau started recall and sales-suspension procedures.

Benzo(a)pyrene can form when oils are processed at high temperature, and countries set limits for it in food. Exceeding a limit does not itself imply acute harm; the aim of management is to reduce long-term exposure.

The case came to light through the company's own report. Detecting a problem in internal testing and notifying the authorities is one of the ways a food-safety system is meant to work.

Authorities have published the manufacturing lot numbers and distribution routes of the affected products and are guiding consumers on refunds at point of purchase. Those who already bought the product should check the labeling.

A run of recent cooking-oil safety issues in Taiwan has heightened consumer attention, with management at both the raw-material import and processing stages flagged as tasks.

Camellia oil is widely used in Chinese-language households and is also sold in Chinese groceries in Korea. Whether a given bottle is affected depends on the import route, so labels are worth checking.