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Lactic acid (2-hydroxypropanoic acid) was discovered and isolated in 1780 by the Swedish chemist Scheele in sour milk. It was first commercially produced in USA in 1881. Its early utilization was in the leather and textile industries. Lactic acid is widely used in the food industry as an acidulant, preservative, precursor for stearoyl-2-lactylates. Perhaps its greatest industrial potential is for biodegradable polymers such as polylactic acid. Lactic acid can be produced by chemical synthesis or by fermentation.

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16y ago

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