Modifying Effect of Anthocyanin from Purple Sweet Potatoes on Visceral Fat Tissue Inflammation and Liver Oxidative Stress in Psychological Stress-Induced Mice oleh Nia Kurnianingsih, Dian Artamevia, Antania Kashira Winarta, Andini Putri Wulandari, Dian Hasanah, Edwin Widodo, Retty Ratnawati