Preparation of concentrated natural vinegar

摘要

A concentrated natural vinegar with an excellent natural flavor is prepared by treating a product obtained by freeze concentration of natural vinegar with a greater amount of alcohol obtained by natural fermentation than is already present in the natural vinegar due to its preparation. When contacting the mixture of freeze concentrated natural vinegar and alcohol with an acidic ion exchanger, acetic acid esters are prepared which correspond to acetic acid esters extracted from natural products.