| 摘要 |
The present invention relates to a natural food preserver, a natural food preserver, a manufacturing method thereof, and a composition thereof, which can prevent a food preservative, food poisoning, antimicrobial product, disease, etc., with strong antimicrobial power with respect to causative bacteria of food poisoning, which comprises the steps of: (a) drying under shade and crushing after washing a Rhus javanica extract; (b) obtaining residues as using a solvent with respect to the crushed Rhus javanica; and (c) obtaining the Rhus javanica extract as filtering and concentrating the residues obtained in step (b). Step (b) arranges a composition performed by a macerating extraction, a reflux cooling extraction, or a ultrasonic extraction for 10-96 hours at room temperature, and represents strong antimicrobial activation with respect to Bacillus bacteria as causative bacteria of food poisoning, Staphylococcus bacteria, and colon bacteria, thus can be substituted for a chemically synthetic food preservative. |
