In the last five days, Italian buffalo mozzarella has become the talking point in European food circles with concerns over its safety. Elsewhere, French retailers Leclerc and Intermarché quit as associate members of the country's grocery trade association, while European food group Uniq tried to conquer the doubters with its annual results. In the US, ConAgra Foodssold its commodity arm for US$2.1bn, while a retail row is brewing down in Australia. Here are the most popular stories on just-food this week.