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Chief of 'gutter oil' firm detained in Taiwan on fraud charges
Police deemed Yeh Wen-hsiang a flight risk and fear he could 'destroy evidence'
PUBLISHED : Saturday, 13 September, 2014, 1:01pm
UPDATED : Saturday, 13 September, 2014, 4:30pm
Agence France-Presse in Taipei

Yeh Wen-hsiang's detention came just days after he drank his company's oil in a press conference to prove it is safe for consumption. Photos: CNA, David Wong
The head of a Taiwanese company at the centre of a widening food safety scandal has been detained for selling hundreds of tonnes of “gutter oil” that caused mass product recalls, authorities said on Saturday.
Yeh Wen-hsiang, chairman of Chang Guann Company, was taken into custody early on Saturday on suspicion of fraud, officials said, deeming him a flight risk and fearing he could collude with other suspects or destroy evidence.
Yeh's detention came just days after he held a press conference where he drank a cup of the company's Chan Tung brand oil to prove it was safe for consumption. In tears and kowtowing, Yeh also apologised over the scandal but said his company made every effort to ensure their product was safe.
Investigators found that in the six months from February, Chang Guann had purchased 243 tonnes of tainted oil – collected from cookers, fryers and grease traps – from an unlicensed factory and mixed it with lard oil for sales to its customers islandwide.
A total of 782 tonnes of such oils had been produced.
Chang Guann was already fined NT$50 million (HK$12.9 million) by the authorities for illegally selling poor-quality lard oil – a clear oil pressed from pig fat.
Hundreds of tonnes of mooncakes – traditionally served at this time of year – along with pineapple cakes, bread, instant noodles as well as steamed buns and dumplings have been removed from shelves in Taiwan since the case surfaced last week.
More than 1,000 restaurants, bakeries and food plants had used the tainted oil, according to the Food and Drug Administration. Many have apologised to customers for having unknowingly used tainted oil.
On Friday, health authorities announced that a string of additional products, including snacks and cookies from several top selling brands, were to be pulled from sale.
The Japanese fast food chain Mos Burger’s Taiwanese branch said in a statement on Saturday that it had suspended the sale of five types of hamburgers for containing tainted oil.
Premier Jiang Yi-huah has apologised to the public and promised to enhance food safety controls in the wake of the fresh scandal, the second to hit Taiwan in less than a year.
Last December a Taiwanese factory owner was sentenced to 16 years in prison for selling olive oil adulterated with cheap cottonseed oil and a banned colouring agent, after the authorities recalled tens of thousands of bottles of tainted cooking oil.
The food safety scare has also spread to Hong Kong, where the authorities said local chains had withdrawn from sale pineapple buns and dumplings feared to have contained gutter oil from Taiwan.
In Macau, the city’s Food Safety Centre said 21 bakeries and food manufacturers had bought oil from Chang Guann through a local importer.
Taiwan’s health ministry has said it has yet to fully assess the health risks of gutter oil. It has ordered tests to see whether samples contain heavy metals.
Local health experts have warned that cooking gutter oil at high temperatures could produce carcinogens.