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Preserving Ready-to-Eat Meals Using Microwave Technologies for Future Space Programs.

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Area of Science:

  • Food science and technology
  • Aerospace nutrition
  • Microbiology

Background:

  • Recent surge in private spaceflights, including space tourism, has increased demand for specialized space food.
  • Ready-to-eat meals (MREs) are crucial for astronaut nutrition and energy, requiring high microbiological safety and shelf-life.
  • Ensuring food safety and quality is paramount for supporting extended human space missions.

Purpose of the Study:

  • To review nutritional and energy needs for space travel.
  • To discuss thermal processing requirements for pathogen control in MREs.
  • To introduce advanced preservation technologies and packaging for space MREs.

Main Methods:

  • Review of current literature on space food requirements and safety.
  • Discussion of thermal processing technologies, including microwave-assisted methods.
  • Analysis of advancements in polymer packaging for food preservation.

Main Results:

  • Identified critical nutritional and energy requirements for space travelers.
  • Outlined general and advanced thermal processing techniques for microbial control in MREs.
  • Highlighted the role of innovative packaging in extending the shelf-life of thermally processed MREs.

Conclusions:

  • Advanced thermal processing and novel packaging are key to producing safe, high-quality MREs for space travel.
  • Future research should focus on sensory attributes, microbial safety of complementary dried foods, and waste management.
  • The growth of private spaceflight necessitates continued innovation in space food systems.