TTR and gastrointestinal disease: administered a fat emulsion by peripheral parenteral nutrition at a fat ratio of 60.9% to the amount of energy required for a patient fasting for a gastrointestinal disease for about 7 days; there were no significant changes in TG and TC before and after the administration.11 Although TTR, ALB, and TC as the efficacy parameters decreased significantly in the fat emulsion administration group, these parameters did not vary significantly in the non-administration group.