| 摘要 |
PROBLEM TO BE SOLVED: To provide anthocyanidin- or anthocyanin-containing coffee beverage making the brain function clear, and improving concentration power via the synergism with the improvement in eye function. SOLUTION: The anthocyanidin- or anthocyanin-containing coffee beverage comprises drinking food having concentration power-improving action and is obtained by making roasted coffee bean extracted liquid contain≥0.0104 wt.% of the blue berry-originated anthocyanidin or at least one kind of anthocyanin at an amount equivalent to that of the anthocyanidin. Such a process as to blend the beverage can be also applied to any of the following configurations: a configuration where the extracted liquid from coffee bean and blueberry is subjected to freeze dry like in the case of so-called instant coffee, or a configuration where blueberry extracted powder is admixed into roasted coffee bean powder, and further a configuration where the blueberry extracted powder is dissolved in the roasted coffee bean extracted liquid. COPYRIGHT: (C)2006,JPO&NCIPI
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