Food of Incas and astronauts

摘要

A 1993 NASA technical paper says of the "pseudo grain" quinoa (pronounced "keen-wah"): "While no single food can supply all the essential life-sustaining nutrients, quinoa comes as close as any other in the plant or animal kingdom." Quinoa is the only plant food that contains all 10 essential amino acids, and is now part of American astronauts' diet on long space missions.