
Chemistry Now: Cheeseburger Chemistry: Pickles

Cheeseburger Chemistry: Pickles--The chemistry of preservatives: fermentation, acid and pH. This video, one in a six-part "Cheeseburger Chemistry" series, examines the role of salty brine, fermentation, lactic acid and pH in the process of pickling food to preserve it.
Credit: NBC Learn and the National Science Foundation (NSF)