Danihelová, Martina, and Ernest Šturdí­k. “Flavonoid Natural Sources and Their Importance in the Human Diet”. Potravinarstvo Slovak Journal of Food Sciences 5, no. 4 (November 30, 2011): 12–24. Accessed June 9, 2025. https://potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/160.