No packaged foods for astronauts. The packaged foods can cause food poisoning in the 80 million mile journey to Mars and back to earth. Eating in a space, which is alien to an astronaut’s biological composition it is very important to have foods, which correspond to biological, engineering, and operational factors of the food. While the biological factors demand easily digestible, nutritious and hygienic food, the engineering factors adheres to the structure of the food container and the operational factors would depend upon the manageability of the food container.
No there is no food processing bureau for space foods but NASA has formulated measures by which the astronauts can cultivate their own cultivate potatoes, soybeans, wheat, rice, peanuts and beans in soil-less hydroponic chambers. On their journey to Mars they will be planting lettuce, spinach, carrots, tomatoes, green onions, radishes, bell peppers, strawberries, herbs and cabbage. Plants will be a good source of healthy food and oxygen, cutting off carbon dioxide.
Hopefully, the astronauts will not be planting throughout their space trip, but of course their will be little greenery for them in their next space missions.would be a good source. Read More: CNN