Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium
Reexamination Certificate
2011-03-22
2011-03-22
Weier, Anthony (Department: 1781)
Food or edible material: processes, compositions, and products
Processes
Extraction utilizing liquid as extracting medium
C426S597000, C426S330300
Reexamination Certificate
active
07910147
ABSTRACT:
An object is to provide a preparation process of a green tea extract having a high non-polymer catechin concentration and tasting good with less bitterness and less astringency. The present invention relates to a preparation process of a green tea extract, which comprises subjecting an enzyme-inactivated raw tea leaves to CTC processing, drying the tea leaves until the water content thereof becomes 20 wt. % or less, and extracting the tea leaves while setting the weight ratio of an extraction solvent to the tea leaves to be extracted to 30 or less.
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Funada Koichi
Konishi Tomoko
Kao Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Weier Anthony
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