Wüstenberg, Bettina, René T. Stemmler, Ulla Létinois, Werner Bonrath, Max Hugentobler, and Thomas Netscher. “Large-Scale Production of Bioactive Ingredients As Supplements for Healthy Human and Animal Nutrition”. CHIMIA 65, no. 6 (June 29, 2011): 420. Accessed March 29, 2024. https://www.chimia.ch/chimia/article/view/2011_420.