If you're lucky enough to be a crew member of one of the next European Space Agency (ESA) long-term missions, you will have the choice between eleven new delicious recipes, such as 'martian bread and green tomato jam' or 'potato and tomato mille-feuilles' when it's time for dinner. In 'Ready for dinner on Mars?,' ESA says that these recipes will use fresh ingredients grown in greenhouses built on Mars colonies or other planets. The future astronauts -- should I write 'farmonauts'? -- will grow potatoes, onions, rice, soya or lettuce. And it's interesting to note that the new menus were elaborated with the help of Alain Ducasse, the French chef who has almost as many stars in the 'Guide Michelin' as there are planets in our Solar system. Read more...
Below is a picture showing a 'potato and tomato mille-feuilles,' a recipe prepared for ESA (Credit: ADF – Alain Ducasse Formation -- site in French). Here is a link to a larger version (283 KB).
The thin slices of potato, tomatoes and onion are cooked one by one, for a homogeneous colour and a melting and crispy sensation in the mouth. The basic ingredients are potatoes and tomatoes, both thought to be easy to to grow in space, on Mars or other planets.
So, what kind of vegetables will the 'farmonauts' be able to grow?
The menus were all based on nine main ingredients that ESA envisions could be grown in greenhouses of future colonies on Mars or other planets. These nine ingredients must comprise at least 40% of the final diet, while the remaining (up to) 60% could be additional vegetables, herbs, oil, butter, salt, pepper, sugar and other seasoning brought from Earth.
The nine basic ingredients that Christophe Lasseur, [ESA's biological life-support coordinator,] plans to grow on other planets are: rice, onions, tomatoes, soya, potatoes, lettuce, spinach, wheat and spirulina -- all common ingredients except the last. Spirulina is a blue-green algae, a very rich source of nutrition with lots of protein (65% by weight), calcium, carbohydrates, lipids and various vitamins that cover essential nutritional needs for energy in extreme environments.
Besides the fact that astronauts will have better food than today, this will have additional benefits.
Today all the food for astronauts in space is brought from Earth, but this will not be possible for longer missions. Although still on the drawing board, ESA has already started research to see what could be grown on other planets -- and what a self-supporting eco-system might look like on Mars.
"In addition to being healthy and sufficiently nutritious for survival, good food could potentially provide psychological support for the crew, away from Earth for years," emphasises Lasseur.
It is extremely difficult today to be selected as an astronaut. But tomorrow, when a candidate needs to show additional qualifications in farming and in cooking, it will become almost impossible...
Anyway, for other stories about space food, you also can read two previous posts, "Eating in Space" or "Astronauts To Eat Italian-Style."
Sources: ESA, June 13, 2005; and various sites
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