2. KFC

The latest scandal of the fast food chain of using expired meat is not the only scare that this American fast-food chain has given Chinese consumers.

In July 2013, China Central Television reported that ice samples taken from KFC in Beijing contained 12 times as much bacteria as toilet water and 19 times the allowable bacteria levels for drinking water in China. A series of food scandals in the past few years, such as quick-growth chickens served by KFC and also a report on KFC's meat contains naphthalene red, have shaken Chinese consumer's confidence in this famous brand.

A customer walks past a KFC store in Shanghai July 22, 2014. [Photo/Agencies]

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