Pickled foods, such as cucumbers, sauerkraut, and olives, are typically preserved in a vinegar/acetic acid solution or canning/pickling salt, giving them a highly acidic pH range of 3.4 to 4.2 ...

Vinegar's acetic acid content aids in weight loss by promoting ... nutrient-rich, seasonal foods, emphasizing seafood, vegetables, and fruit, while limiting meat, dairy, and snacks), ‘Moritsuke ...