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glass bottle of sour milk
glass bottle of sour milk
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Photo credit: © sciencephotos / Alamy / Afripics
License: Licensed
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Keywords: acid, bacteria, biology, bottle, coagulate, enzyme, experiment, fermentation, food, glass, lactic, micro, milk, organisms, pasteurisation, pint, science, smell, sour, spoil, spoiled, tart, taste, unpalatable