Proponents of plant-based alternatives to meat envision healthier, more planet friendly fare but too often the deficit is in long-lasting satiety. This is because plants often have micronutrients and fiber but lack the caloric content favored by the human body. The mushroom-based Gardenburger and its cousin Quorn derived from microfungus have long been used as a meat substitute by vegetarians. Globally, the production of mushrooms has literally mushroomed, but largely only in China.  China produces over 75 percent of the world’s mushrooms, with Japan, the U.S., and EU providing the bulk of the remainder of world output. But while production in Japan and the U.S. has been flat and declining in the EU over the past decade, China&r...