The former head of China's State Food and Drug Administration, Zheng Xiaoyu, has been executed for corruption, the state-run Xinhua news agency reports.
He was convicted of taking 6.5m yuan ($850,000; £425,400) in bribes and of dereliction of duty at a trial in May.
The bribes were linked to sub-standard medicines, blamed for several deaths.
China has been criticised over a number of recent cases involving tainted goods, and correspondents say Zheng had become a symbol of the crisis.
Zheng had appealed against his sentence, arguing that it was "too severe" and saying he had confessed his crimes and co-operated with police.