Given the cheap price of pig ears, the gelatin used to make them is very likely to be of very poor quality or may be industrial gelatin, Fan said.

Industrial gelatin, a forbidden additive in China and made from leather products, is very high in chromium, which can lead to cancer.

According to Yang Fan, a researcher at the Green Beagle, an environmental protection non-governmental organization based in Beijing, there are ways to distinguish fake ears from real ones.

Hair and capillaries usually can be seen on real pig ears, while fake ones do not have them, Yang said.

Questions:

1. What food item raised new alarms about food safety in China?

2. Where were they found?

3. What was the problem?

Answers:

1. Stewed pig ears.

2. In Jiangxi province, East China.

3. The popular Chinese snacks sold were made from gelatin and sodium oleate.

About the broadcaster:

Nelly Min is an editor at China Daily with more than 10 years of experience as a newspaper editor and photographer. She has worked at major newspapers in the U.S., including the Los Angeles Times and the Detroit Free Press. She is also fluent in Korean.

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