Abstract: The invention relates to a fermented onion composition having a dry matter content of at feast 8 wt. %, said composition comprising, per gram of dry matter: a) 0-150 mg of saccharides selected from fructose, glucose, sucrose and combinations thereof; b) 5-250 mg of phenols selected from acid equivalent of gallic acid, acid equivalent of ferulic acid, quercetin, kaempferol and combinations thereof; c) 75-500 mg acid equivalent of organic acid selected from propionic acid, lactic acid, acetic acid and combinations thereof, The fermented onion composition of the present invention can advantageously be used as an effective, label-friendly food ingredient to increase overall quality of foods. The invention also provides a method of preparing a fermented onion composition, comprising: providing an onion substrate containing 10-50 wt. % dry matter and 50-90 wt. % water, wherein at least 40 wt.

Abstract: The Invention relates to a fermented onion composition having a dry matter content of at least 8 wt. %, said composition comprising, per gram of dry matter: a) 0-150 mg of saccharides selected from fructose, glucose, sucrose and combinations thereof; b) 5-250 mg of phenols selected from acid equivalent of gallic acid, acid equivalent of ferulic acid, quercetin, kaempferol and combinations thereof; c) 75-500 mg acid equivalent of organic acid selected from propionic acid, lactic acid, acetic acid and combinations thereof, including at least 200 mg lactic acid equivalent and/or at least 75 mg propionic acid equivalent and/or at least 120 mg acetic acid equivalent; wherein the combination of components a) to c) constitutes 50-89 wt. % of the dry matter that is contained in the composition; and wherein at least 90 wt. % of the composition is dissolved at a temperature of 20° C. when the composition is diluted with distilled water to a dry matter content of 5 wt. %.

Abstract: The present invention relates to the field of biotechnology, more specifically the field of food biotechnology: the control of bacterial contamination in ready-to-eat foods by a bacteriophage composition.