Fermentation refers to the process in which people prepare microbial cells themselves or direct metabolites or secondary metabolites through the life activities of microorganisms under aerobic or anaerobic conditions.
Ukuvutshelwa kubhekisa kunqubo lapho abantu belungisa khona amaseli ama-microbial ngokwabo noma ama-metabolites aqondile noma ama-metabolites wesibili ngemisebenzi yokuphila kwamagciwane ngaphansi kwezimo ze-aerobic noma ze-anaerobic.