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2017, Number 6

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Rev Fac Med UNAM 2017; 60 (6)

Nutritional aspects in space flights

Carrillo-Espera R, Zepeda-Mendoza AD
Full text How to cite this article

Language: Spanish
References: 6
Page: 47-50
PDF size: 210.46 Kb.


Key words:

Space, nutrition, microgravity.

ABSTRACT

The food that NASA’s early astronauts ate in space is a testament of their strength. John Glenn, America’s first man to eat anything in the near-weightless environment of the Earth’s orbit, found the task extremely hard and the menu to be quite limited. Other Mercury astronauts had to base their nutrition on bite-sized cubes, freeze-dried powders and semi-liquids packaged in aluminum tubes. Most of them agreed that the foods were unappetizing and disliked squeezing the tubes. Moreover, freeze-dried foods were hard to rehydrate and the crumbs got stuck on the walls of the spacecraft. Ever since, multiple technologies and studies on the energy requirements of astronauts and food preservation have been developed.


REFERENCES

  1. Perchonok M, Bourland C. NASA food systems: past, present, and future Nutrition. 2002;18:913-20.

  2. Institute of Medicine. Dietary reference intakes for energy, carbohydrate, fiber, fat, fattyacids, cholesterol, protein, and amino acids (macronutrients). Washington, DC: National Academy Press; 2002.

  3. Zwart SR, Launius RD, Coen GK, Morgan JLL, Charles JB, Smith SM. Body mass changes during long duration spaceflight. Aviat Space Environ Med. 2014;85:897-904.

  4. Bourland CT, Smith MC. Selection of human consumables for future space missions. Waste Manage Res. 1991; 9(5):339-44.

  5. Stoklosa A. Packaged food mass reduction trade study. Washington, D.C:NASA Advanced Capabilities Division Research & Technology Task Book. 2010.

  6. Drummer C, Gerzer R, Baisch F, Heer M. Body fluid regulation in microgravity differs from that on Earth: an overview. Pflugers Arch. 2000;441:66-72.




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Rev Fac Med UNAM . 2017;60