Ten food safety cases, involving 24 defendants and more than 1.88 million yuan ($308,000), are being prosecuted in Shanghai, eastday.com reported.

The cases include producing moon cakes with expired fillings, cooking fish with recycled cooking oil, adding toxic ingredients when cooking crawfish and using illegal additives in bean sprouts.

In Baoshan district, a restaurant manager, surnamed Wang, asked two chefs to recycle waste oil and use it to cook fish after filtering and adding spices in February.

Prosecution procedures targeting the production and selling of toxic and harmful food have begun against the two chefs at the Baoshan District Procuratorate.