LEAVES OF BURDOCK TEA, EXTRACT OF BURDOCK TEA LEAF USING THE SAME, BURDOCK TEA LEAF-CONTAINING FOOD AND METHOD FOR PRODUCING BURDOCK TEA LEAF

摘要

PPROBLEM TO BE SOLVED: To provide burdock tea leaves for obtaining a burdock tea beverage that makes the best use of taste, flavor and fragrance essential to burdock, is easily drunk and eaten and has enhanced antioxidative ability and a burdock tea leaf-containing food and a method for producing the burdock tea leaves. PSOLUTION: Leaves of burdock tea are produced by cutting raw epidermis containing burdock root parts and drying the cut parts at 30-70C and contains 29 mg/g fructose. Preferably the burdock tea leaves have an ORAC value of 73.1 mol TE/g. Leaves of burdock tea are produced by a production method comprising a cutting step S10 for cutting raw epidermis-containing burdock root parts into a fixed shape and size and a drying step S20 for drying the cut burdock tea leaves at 30-70C. The production method preferably includes heat treatment steps S5 and S15 of carrying out heat treatments at 35-95C for 5-180 minutes. PCOPYRIGHT: (C)2010,JPO&INPIT