Further enhancement of 2-acetyl-1-pyrroline in SDC using a precursor was possible by feeding 1 mM L−1 of L-proline into the medium, which gave the highest level of 21.67 parts per million (ppm) of 2-acetyl-1-pyrroline accumulated on the seventh day.
Further enhancement of 2-acetyl-1-pyrroline in SDC using a precursor was possible by feeding1 mM L−1 of L-proline into the medium, which gave the highest level of 21.67 parts permillion (ppm) of 2-acetyl-1-pyrroline accumulated on the seventh day.