How is it that most of the microorganisms in EM is considered food-grade?
Most of the species of microorganisms in EM is the same or similar to those found in foods. EM contains 3 basic groups of microorganisms: lactic acid bacteria (food examples: yogurt, cheese, buttermilk, sour cream, pickles, sauerkraut, sausage), yeast (various yeasts are used for baking [bread], beermaking and winemaking), and phototrophic bacteria.
