Maintenance of crew health during long duration space missions is of critical concern. Extraterrestrial environments are typically more harsh and demanding than that of Earth due to increased exposure to radiation, microgravity and variable thermal conditions. Past missions have revealed numerous ailments such as losses in weight, bone mineral content, and body protein, increased oxidative stress, and compromised immune function. It is believed that nutrition may help to alleviate some, if not all, of these disorders by providing essential minerals, anti-oxidants, and amino and fatty acids. Nutrition is currently considered as one of the most logical means of countering such disorders. Fish have historically served as a food source for many cultures. In general, fish are an excellent source of protein, n-3 fatty acids, vitamins and minerals. Fish have greater nutritional value than other consumed foodstuffs (Table 1). Nile tilapia (Oreochromis niloticus) are currently being evaluated as a bio-regenerative component within the solid waste management sub-group in advanced life support (ALS) systems research. Ancillary to its' main role in reducing waste, tilapia may also impact both crew nutrition and waste stream generation in an ALS. An evaluation was conducted to determine the nutritive content of the whole body, fillet and carcass residue to determine the potential effects of tilapia consumption in an ALS.
Related Documents:WM1, WM2, WM3, WM8
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