2. Fermentation 2.0: A modern spin on an ancient practice
As Perfect Day, Geltor and Evolva have proved, you can make dairy milk, collagen and steviol glycosides from microbes in big fermentation tanks, without raising any dairy cows, slaughtering any pigs or growing any stevia plants. The million-dollar question is whether they can persuade consumers that this is simply a modern spin on an ancient practice that makes for greener, cleaner, and kinder food.