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Abstract

The object of the present invention is to provide a method of manufacturing vinegar with high extract content that keeps the original flavor of raw materials and has favorable flavor for vinegar under the circumstance of high extract content.The present invention provides a method of manufacturing vinegar by submerged fermentation, characterized by including: performing acetate fermentation using a fermentation solution which has an extract content of 0.1 w/v % or more and less than 6.0 w/v % and continues the acetate fermentation at a generation rate of acetic acid of 0.5 g/L·hr or more; raising the extract content to reach 6.0 w/v % or more and 55.0 w/v % or less at the time of completion of fermentation; and suppressing an induction period so that the induction period does not appear or is 10 hours or less, whereby obtaining vinegar with extract content of 6.0 w/v % or more and 55.0 w/v % or less.

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First Claim