Complex sentence: Pickles produced in traditional method contain healthy probiotic microbes, produced by natural fermentation in brine (salt + water), but fast-food method pickles produced using vinegar are not probiotic.
Split into simpler sentences: Pickles produced in traditional method contain healthy probiotic microbes, produced by natural fermentation in brine (salt + water). Fast-food method pickles produced using vinegar are not probiotic.