No. According to the news published by foodadditives.com, black levain is a staple food of Russians, indispensable for three meals a day. So no additives, preservatives, artificial colors, trans fatty acids, artificial flavors. Black Leba, also known as black bread, baked from flour, buckwheat, oats and other raw materials, dark color, is the staple food of Russians, just like the pasta of our people in the north and the rice of the south.