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Soybean products such as soymilk and tofu could be used in recipes for Martian surface missions. Soybean cultivars must therefore meet requirements of both the Advanced Life Support (ALS) and Advanced Food Technology (AFT) elements. Using Equivalent System Mass (ESM) and a Modified Food Quality Index (MFQI), the Food Metric Value (FMV) may provide researchers a way to incorporate quantitative as well as qualitative attributes into a metric more suitable for evaluating potential candidate crops. An FMV was calculated using different tofu production rates and product palatability values for the Hoyt or Vinton 81 cultivar. Results indicate that while crop growth efficiency favors use of the Hoyt cultivar, resulting food yield and product attributes favor use of Vinton 81.