[quote=flu]jimyle, you really only need to worry about this if you go into remote areas.[/quote]
That’s wishful thinking. As long as there is profit opportunity, it could happen. Here is some picture taken in Shanghai:
[img_assist|nid=13636|title=Collecting oil|desc=|link=node|align=left|width=300|height=237]
But yes, food from street vendors have more risks. And it is not as prevalent as the media indicates.
There is one trick to determine if the cooking oil is new or not. You can order some soy sauce, mix it with the oil in a glass cup and shake. If they separate quickly and clearly, the oil is fresh. If there’re soy sauce mixed with the oil at the seperation layer, then it is questionable.
