The disclosure relates to engineered enone reductase polypeptides having improved properties, polynucleotides encoding the engineered polypeptides, related vectors, host cells, and methods for making the engineered enone reductase polypeptides. The disclosure also provides methods of using the engineered enone reductase polypeptides for chemical transformations.

The disclosure relates to engineered enone reductase polypeptides having improved properties, polynucleotides encoding the engineered polypeptides, related vectors, host cells, and methods for making the engineered enone reductase polypeptides. The disclosure also provides methods of using the engineered enone reductase polypeptides for chemical transformations.

The present specification relates to a microorganism into which a GPD gene, a GPP gene, and dhaB, gdrAB, aldH and/or yqhD genes are introduced, and/or use thereof, the microorganism being capable of simultaneously producing 1,3-PDO and 3-HP.

The present specification relates to a microorganism into which a GPD gene, a GPP gene, and dhaB, gdrAB, aldH and/or yqhD genes are introduced, and/or use thereof, the microorganism being capable of simultaneously producing 1,3-PDO and 3-HP.

The present invention provides a fermentation-produced propionate powder comprising 25-60 wt. % propionic acid equivalent, 3-16 wt. % acetic acid equivalent, 2-12 wt % succinic acid equivalent, 0.1-0.8 mol Ca.sup.2+ per mol of propionate, 0-1.0 mol Na.sup.+ per mol of propionate, and 0-1.0 mol K.sup.+ per mol of propionate. Methods of preparing a food or cosmetic product containing the fermentation-produced propionate powder are also provided.

The present invention provides a fermentation-produced propionate powder comprising 25-60 wt. % propionic acid equivalent, 3-16 wt. % acetic acid equivalent, 2-12 wt % succinic acid equivalent, 0.1-0.8 mol Ca.sup.2+ per mol of propionate, 0-1.0 mol Na.sup.+ per mol of propionate, and 0-1.0 mol K.sup.+ per mol of propionate. Methods of preparing a food or cosmetic product containing the fermentation-produced propionate powder are also provided.

The present invention provides a dried fermentate that comprises, per kg of dry, matter: 4.7-8.1 mol of propionate; 1.2-3.0 mol of calcium cation; 2.4-7.8 mol of alkali metal cation selected from sodium, potassium and combinations thereof; and 1-50 grams glucose equivalent of hydrolysed glucan; calcium cation and propionate being present in the dried fermentate in a molar ratio of 0.2 to 0.6. Methods of producing the dried fermentate are also provided.