Lettuce grown on Board the ISS, not inferior to the number of useful elements grown on Earth. In this microbial environment of roots and leaves was also about the same. This means that in the future grown in space, the greenery not only help to diversify the diet of the crew fresh food, but very healthy meal. Article published in the journal Frontiers in Plant Science.
To grow food during space travel is a long — standing goal of NASA and their colleagues around the world. Fresh vegetables and greens are superior to canned for the utility, but through recycling water and other resources, they can be cultivated again and again even during long-term space flights.
To study the prospects of this idea NASA has taken in 2014 on the ISS system Veggie platform with artificial lighting, watering system and ventilation for the cultivation of plants. In the period from 2014 to 2016 with it on the pillows with the substrate raised three batches of lettuce, and also flowers and mustard.