“…Finally, ethanol is oxidized to acetic acid by bacteria (Ye et al, 2023;Zhao et al, 2020). In recent years, various kinds of vinegar drinks with fruits and vegetables as raw materials have developed rapidly, such as apple cider vinegar, hawthorn vinegar, grape vinegar, mulberry vinegar, onion vinegar, and seaweed vinegar, etc., (Bang et al, 2022;Cantadori et al, 2022;Li et al, 2023;Ousaaid et al, 2021;Özdemir et al, 2022;Singh et al, 2023). There are also many types of research on nutrient-fortified vinegar drinks with adding various nutritional factors, such as vitamins, mineral elements, pearl powder, oligosaccharides, etc., (Budak et al, 2014;Chen et al, 2023;Ousaaid et al, 2021).…”