Preparation method of licorice root extract and radix puerariae extract antibacterial preservative

The invention relates to a preparation method of a licorice root extract and radix puerariae extract antibacterial preservative. The preparation method comprises the following steps of uniformly mixing licorice roots with 70% ethanol in the mass ratio of the licorice roots to the 70% ethanol being 1...

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Bibliographische Detailangaben
Hauptverfasser:	JIN ZHANZHONG, CHEN WENYE, AI PENGFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLICBEVERAGES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	The invention relates to a preparation method of a licorice root extract and radix puerariae extract antibacterial preservative. The preparation method comprises the following steps of uniformly mixing licorice roots with 70% ethanol in the mass ratio of the licorice roots to the 70% ethanol being 1 to (10-15) in a triangular flask, performing water bath treatment, performing ultrasonic treatment, taking a supernatant, placing the supernatant in a rotary evaporation instrument, performing concentration to obtain paste, performing concentration and drying to obtain licorice root powder, uniformly mixing radix puerariae with 70% ethanol in the mass ratio of the radix puerariae to the 70% ethanol being 1 to (10-15) in a triangular flask, performing water bath treatment, performing ultrasonic treatment, taking a supernatant, placing the supernatant in a rotary evaporation instrument, performing concentration to obtain paste, performing concentration and drying to obtain radix puerariae powder, mixing the licorice