PROBLEM TO BE SOLVED: To provide novel hyaluronic acid production promoter containing urolithins.SOLUTION: The hyaluronic acid production promoters contain urolithins represented by the general formula (1) in the figure. (In the formula, R1, R2, R3, R4, R5 and R6 each represent a hydroxy group, hydrogen atom or methoxy group, provided that one or more of R1, R2, R3, R4, R5 and R6 are hydroxy groups.)SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】ウロリチン類を含有する新規なヒアルロン酸産生促進剤の提供。【解決手段】下記一般式(1)で表されるウロリチン類を含有するヒアルロン酸産生促進剤。(式中、R1、R2、R3、R4、R5、及びR6は、それぞれ、水酸基、水素原子又はメトキシ基を表し、且つ、R1、R2、R3、R4、R5、及びR6のうち1つ以上は水酸基である。)【選択図】図1
