| 摘要 |
PROBLEM TO BE SOLVED: To provide a natural killer (NK) cell activity-promotor effective for the treatment or prevention of cancer and the like, the promotor containing, as an active ingredient, a catechin metabolite that is an ingredient from natural products and has safety that has been confirmed experientially by eating for years, and to provide medicines, supplements, or food and drinks containing the cell activity-promotor.SOLUTION: The invention provides a NK cell activity-promoter containing, as an active ingredient, a compound represented by the following formula, as well as medicines, supplements, or food and drinks containing the cell activity-promotor. [Steric configuration at position 4 is R configuration or S configuration.]SELECTED DRAWING: Figure 1 |
