| 摘要 |
PROBLEM TO BE SOLVED: To provide a PTP1B inhibitor comprising an active ingredient showing PTP1B inhibitory activity, and an antidiabetic drug, a skin external preparation and a food product comprising the inhibitor.SOLUTION: The present invention provides a PTP1B inhibitor comprising pyrroloquinoline quinone or a derivative thereof; an antidiabetic drug comprising the PTP1B inhibitor of 0.000001-10 mass% relative to the total amount of the antidiabetic drug; a skin external preparation comprising the PTP1B inhibitor of 0.000001-10 mass% relative to the total amount of the skin external preparation; and a food product comprising the PTP1B inhibitor of 0.000001-10 mass% relative to the total amount of the food product.SELECTED DRAWING: None |
