Patent ID: 8840949

Claim:
A method for producing a tea drink containing glyceroglycolipids, comprising: grinding tea leaves to break cell walls of the tea leaves, wherein the ground tea leaves have an average particle size 1-100 μm; mixing the resulting ground tea leaves with water having a temperature effective for extraction of glyceroglycolipids to elute glyceroglycolipids into the water and wet grinding by use of a high pressure homogenizer at a pH condition of 5-7 to obtain a tea extract comprising glyceroglycolipids; and blending the tea extract with green tea extract solution to obtain a tea drink containing at least 1.0 μg/ml of glyceroglycolipids and 0.10-5.0 mg/ml catechins, wherein the tea drink comprises 0.002-0.025 parts by weight of the glyceroglycolipids per 1 part by weight of catechins.