REFINED PRODUCT OF GREEN TEA EXTRACT, AND HIGH CONCENTRATION CATECHIN-CONTAINING PACKAGED BEVERAGE MIXED WITH THE SAME

• Main Authors: HOSOYA NAOKI, HOSHINO EIICHI, YAMAMOTO SHINJI, IWASAKI MASANORI
• Format: Patent
• Language: English
• Published: 06.07.2006
• Subjects: 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

PROBLEM TO BE SOLVED: To provide high concentration catechin-containing packaged beverage containing non-polymeric catechins at high concentration, having excellent flavor, prevented from occurrence and deposition of precipitation for a long period and suitable for drinking for a long period. SOLUTION: The refined product of green tea extract (a) contains 55-90 wt.% of non-polymeric catechins per solid of the refined product of green tea extract and (b) has a b*value in a color measurement color-difference meter of 39-10 when bringing the refined product of green tea extract to an aqueous solution having 1 wt.% of non-polymeric catechin concentration and a total light transmittance (τt) in a turbidimeter of 83%-95%. The high concentration catechin-containing packaged beverage mixed with the refined product of green tea extract has non-polymeric catechin concentration of 0.06-1.0 wt.%. COPYRIGHT: (C)2006,JPO&NCIPI