flat sour
noun
: fermentation of canned products (as peas or corn) that is caused by thermoduric microorganisms which survive the canning process and that is characterized by the formation of acid without gas
sometimes
: the off-flavor produced by such fermentation
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“Flat sour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flat%20sour. Accessed 23 Nov. 2024.
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