Which criteria will be the most difficult for teams to meet?
Understanding bio available nutrition to humans and making that happen, insulin and the way it is needed and used in the body (how cells can access or not any of the food) insulin spiking and how insulin works in the body with food and insulin resistance when the bio availbility is NOT understood, vs intermittent fasting and autophagy, and outdoor field/soil/earth timing and processing with constant integrated nutritional return (permaculture farming). Instead of testing after the product is made, I recommend doing the health / nutrition testing all along the creation of the lab foods to insure healthy outcomes. Humans intrinsically check palatable status as a marker for nutrition/ satiety, but when the gut biome is polluted with, say, artifice and carbohydrates, the brain will crave and seek those for the gut - but the body will actually starve if the brain is in charge, so we need to make the gut healthy first to talk to the brain.
This is a wonderful idea,and we have the space and places to feed all in our parallel universe of plants on Earth… please take my comments to heart regarding nutrition in its real sense for live beings, not lab-created sawdust. Living foods, especially those based on fungi and microbiology with our basis of needed sunlight and chlorophyll based on our Earth’s trace nutrients besides the major nutrients, will be a start on success for this project; ignoring these will have an outcome of failure, disease and maybe even dead people who trusted science to feed them.