Answer:
By using pure starter cultures, we know what we are adding in, and how much. We can control the microbial fermentation precisely to best prepare the food product.
Step-by-step explanation:
Fermentation has always offered a methodology for preservation that is easy and does not require much energy. Fermented meats add nutrients and improve the flavor of meals, and the use of a reliable starter culture prevents the product from spoiling and causing from diseases related to its microorganisms, to even death due to its lethal toxins.