Panera casual food restaurant chain plans to cut 150 artificial sweeteners, colors, flavors and preservatives from the menu items by the end of 2016. Panera has 1600 restaurants for sandwiches, salads and soups in the U.S. and Canada. This includes fat substitutes and propylene glycol. It has cut sucralose artificial sweeetener and titanium dioxide used to whiten mozzarella cheese.