Statuses of food-derived glutathione in intestine, blood, and liver of rat

Total food-derived glutathione (GSH) contents in the washed intestine, liver, and low-molecular-weight (EtOH-soluble) and protein-bound fractions of blood plasma obtained from the portal and inferior vena cava. a After ingestion of stable isotope-labeled glutathione; b after ingestion of stable isotope-labeled N-acetylcysteine. Data are presented as mean？±？standard deviation. * indicates significant difference compared with levels before ingestion (P？<？0.05). # indicates significant difference compared with the counterpart from the inferior vena cav