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Evaluation of Space Food for Commercial Astronauts.

紀錄類型:	書目-電子資源 : Monograph/item
書名/作者:	Evaluation of Space Food for Commercial Astronauts.
作者:	Ahlstrom, Britt Karin.
出版者:	Ann Arbor : : ProQuest Dissertations & Theses, , 2016
面頁冊數:	157 p.
附註:	Source: Dissertation Abstracts International, Volume: 78-04(E), Section: B.
Contained By:	Dissertation Abstracts International78-04B(E).
標題:	Psychology.
標題:	Aerospace engineering.
標題:	Food science.
ISBN:	9781369401448
摘要、提要註:	As commercial aerospace companies advance toward manned spaceflight, they must overcome many hurdles -- not only technical, but also human. One of the greatest human challenges they face is food. Throughout the history of human spaceflight, astronauts have primarily eaten food developed by government space agencies. Now, with manned commercial flights on the horizon, astronauts will be provided with an entirely new diet -- one comprised of commercially available, ready-to-eat food. Yet will this diet keep astronauts nourished, satisfied with their diet, and both psychologically and physically healthy? The purpose of this parallel crossover design study was to evaluate (a) nutrient intake, (b) food satisfaction, (c) psychological health, and (d) physical health in commercial aerospace employees (N = 7) as they ate a diet of commercial, ready-to-eat food for four days, as compared to eating as normal for four days.

Evaluation of Space Food for Commercial Astronauts.
Ahlstrom, Britt Karin.

Evaluation of Space Food for Commercial Astronauts. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 157 p.

Source: Dissertation Abstracts International, Volume: 78-04(E), Section: B.

Thesis (Ph.D.)--University of California, Los Angeles, 2016.

As commercial aerospace companies advance toward manned spaceflight, they must overcome many hurdles -- not only technical, but also human. One of the greatest human challenges they face is food. Throughout the history of human spaceflight, astronauts have primarily eaten food developed by government space agencies. Now, with manned commercial flights on the horizon, astronauts will be provided with an entirely new diet -- one comprised of commercially available, ready-to-eat food. Yet will this diet keep astronauts nourished, satisfied with their diet, and both psychologically and physically healthy? The purpose of this parallel crossover design study was to evaluate (a) nutrient intake, (b) food satisfaction, (c) psychological health, and (d) physical health in commercial aerospace employees (N = 7) as they ate a diet of commercial, ready-to-eat food for four days, as compared to eating as normal for four days.

ISBN: 9781369401448Subjects--Topical Terms:

180630
Psychology.

Evaluation of Space Food for Commercial Astronauts.
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245 1 0 $a Evaluation of Space Food for Commercial Astronauts.
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300 $a 157 p.
500 $a Source: Dissertation Abstracts International, Volume: 78-04(E), Section: B.
500 $a Adviser: A. Janet Tomiyama.
502 $a Thesis (Ph.D.)--University of California, Los Angeles, 2016.
520 $a As commercial aerospace companies advance toward manned spaceflight, they must overcome many hurdles -- not only technical, but also human. One of the greatest human challenges they face is food. Throughout the history of human spaceflight, astronauts have primarily eaten food developed by government space agencies. Now, with manned commercial flights on the horizon, astronauts will be provided with an entirely new diet -- one comprised of commercially available, ready-to-eat food. Yet will this diet keep astronauts nourished, satisfied with their diet, and both psychologically and physically healthy? The purpose of this parallel crossover design study was to evaluate (a) nutrient intake, (b) food satisfaction, (c) psychological health, and (d) physical health in commercial aerospace employees (N = 7) as they ate a diet of commercial, ready-to-eat food for four days, as compared to eating as normal for four days.
520 $a Findings from this study showed that the ready-to-eat diet did not lead to any significant changes in caloric intake, psychological health, or physical health, aside from weight loss. It is not clear whether this weight loss was due to the loss of body fat, muscle, or water. When eating the ready-to-eat food, participants reported being slightly less satisfied with the variety, reported lower cravings for sweets, and reported the food was slightly less hedonically rewarding. In post-study interviews, participants reported they wanted to see more meats, fruits, vegetables, and desserts added to the ready-to-eat diet, so as to provide more meal-like structure. Overall, these findings show the diet could be used in commercial spaceflight after making simple changes. The diet could also be used by individuals in remote areas on Earth and to provide food assistance to individuals in disaster or emergency situations. Due to the increasing popularity of ready-to-eat food around the world, these findings also provide knowledge about the potential consequences of modern eating trends.
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