01 Mar 2021 --- The spice of time is an integral ingredient on its own, used for millennia in fermentation processes to unlock new dimensions of flavor. Today, these biological mechanisms are used in natural solutions that include fermented soy for preventing heartburn, heat-stable probiotics in tea and amino acid-rich yeast protein.FoodIngredientsFirst speaks to key players in the fermentation space who are developing the next generation of ingredients – acting as both probiotics and natural preservatives – using this age-old culinary craft.