Abstract
Energy balance maintenance is crucial to preserve astronaut's wellness during longduration-spaceflight. Nutritional intervention can counteract the detrimental effect of microgravity on body composition and metabolism. NutrISS is an Italian Space Agency biomedical experiment. This proof-of-concept study aim to monitor the body composition of astronauts and to provide nutritional advice during long-term mission. The study has been executed on the ISS and sponsored by ESA. The payloads selected for the mission “BEYOND” result from a public-call funded and coordinated by ASI, in the frame of its national mission of promoting and fostering the culture of space across the Country and providing access to the ISS as a laboratory in space to the Italian research community. The utilization support services is ensured by Argotec/Telespazio (UTISS Team). The Italian astronaut Luca Parmitano underwent to baseline data collections, i.e. body composition, anthropometric evaluation and energy and metabolic assessment carried out by the scientific team. Body composition has been assessed by a BioImpedance Analyser device (Akern) modified by Kayser Italia. To maintain the near-neutral energy balance, the NutISS team monitored monthly the astronaut body mass during flight. Results are now classified for privacy reasons. The study was extended since collected data improved physical performance and quality of life of the astronaut during spaceflight and optimize the astronaut recovery-phases on Earth after landing. Obtained experimental data could have an important impact both on astronaut quality of life and clinical management of malnourished and/or obese immobilized patients, therefore improving the quality of human bedridden patients on Earth.
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