The present invention relates to structured triglyceride, to parental nutrition emulsions comprising same, and use thereof. In particular, the invention relates to structured triglycerides comprising at least one medium chain C6-C12 fatty acid and at least one fatty acid selected from the group consisting of long chain C14-C18 or very long chain C20-C22 fatty acids, preferably each fatty acid is present in a predetermined position of the glycerol backbone. The parenteral nutrition emulsions are particularly useful for nourishing preterm- and term-infants, children, critically ill patients, and cancer patients.