Fecha de publicación: 20/04/2021 Fuente: Wipo Olive Table The invention discloses fermented olive fruit vinegar and a production method thereof. According to the olive fruit vinegar, dried elaeocarpus serratus fruits are used as raw materials, and firstly undergo a high-low temperature enzymolysis reaction for extraction, so that the content of vitamin C and the content of total flavonoids in enzymolysis extract liquid are greatly increased; then a seed solution is domesticated with black tea fungi and acetic acid bacteria for mixed bacteria temperature-controlled fermentation, so that the fermentation starting rate, acetic acid conversion rate and acid production rate of the olive fruit vinegar are remarkably increased, and the anti-mixed bacteria capacity during vinegar fermentation is enhanced; and finally, aging is performed, so that the stability and safety of the product are improved, and the occurrence of the white flowering disease is effectively prevented, and then seasoning liquid and seasonings are added for adjustment, and the olive fruit vinegar rich in nutrition and excellent in flavor is prepared; the olive fruit vinegar has the nutritional and health-care functions of fruits and table vinegar, and is a novel fruit vinegar beverage integrating the functions of nutrition, health care, dietary therapy and the like; the vinegar with proper acidity and fruity flavor is prepared, so that the economic benefit can be increased, the environmental pollution is reduced, the market can be enriched, and the requirements of vast consumers on fruit vinegar are met.