G6PD and Jaundice: A study by Ko et al. on the prooxidative effects of Chinese herbal medicine on G6PD deficient erythrocytes in vitro found that RC significantly reduced GSH level and increased the level of methaemoglobin in G6PD deficient blood samples, pointing to the possibility of RC as the cause of neonatal jaundice in G6PD deficient neonates [51].