A NATURAL FOOD ADDITIVE COMPRISING AN EXTRACT OF PUNICA GRANATUM AS AN ACTIVE INGREDIENT, AND THE PREPARATION THEREOF

摘要

PURPOSE: A method of manufacturing a plant-derived antibacterial substance that has a strong antibacterial activity against food poisoning bacteria, safe for the human body, and can be taken as food without repulsion is provided. CONSTITUTION: A natural food additive contains a pomegranate skin extract as an active ingredient. The natural food additive is a natural food preservative, a food decomposition preventing agent, or a food sterilizing agent. The additive has a strong antibacterial activity against bacillus and paenibacillus genus. The additive has a strong antibacterial activity to the strain selected from the group consisting of CBB4 Bacillus sp., CBB5 Bacillus circulans, CBB6 Bacillus sp. CBB11 Bacillus sp., CBB15B. benzoevorans, CBB16 B. circulans, CBB3 Paenibacillus sp. CBB14, and Paenibacillus sp.. The pomegranate skin extract is an extract that is extracted from the skins of fruit, stem, branch, or root of Punica granatum. The pomegranate skin extract is prepared by the following two steps: extracting the extract using a C1-C4 lower alcohol solvent or a mixed solvent of water and the same to an amount of about 1-25 times(v/v) the amount of dried pomegranate skin at room temperature for about 10-96 hours to obtain residue of the extract; and filtering and concentrating the extract.