METHOD FOR PRODUCING GREEN TEA EXTRACT

PROBLEM TO BE SOLVED: To provide a method for producing green tea extract from which green tea flavor is eliminated and which contains catechins at a high concentration. SOLUTION: The method for producing green tea extract comprises the following process: (A) adding 0.2-0.4 pt.wt. of mixed solution...

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Hauptverfasser:	TAKATANI HITOSHI, HASHIZUME KOJIRO, IWASAKI MASANORI
Format:	Patent
Sprache:	eng
Schlagworte:	COFFEE FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES MANUFACTURE, PREPARATION, OR INFUSION THEREOF PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL TEA THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR SUBSTITUTES THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing green tea extract from which green tea flavor is eliminated and which contains catechins at a high concentration. SOLUTION: The method for producing green tea extract comprises the following process: (A) adding 0.2-0.4 pt.wt. of mixed solution where ethanol and water are formulated at 75:25 to 99.5:0.5 per 1 pt.wt. of green tea leaves to moisturize the leaves; (B) bringing supercritical carbon dioxide where 0.02-0.04 pt.wt. of mixed solution having ethanol and water at 75:25 to 99.5:0.5 is added, into contact with the moisturized green tea leaves; and (C) extracting green tea extract using 10-150 pts.wt. of water per 1 pt.wt. of the green tea leaves after contact with the carbon dioxide. COPYRIGHT: (C)2005,JPO&NCIPI