| abstract |
(57) [Problem] To provide a water-dispersible polyphenol preparation having reduced astringency and bitterness derived from polyphenols and having excellent stability. SOLUTION: A first step in which polyphenols are refined in fats and oils containing a polyhydric alcohol fatty acid ester, and the fats and oils containing finely divided polyphenols obtained in the first step are converted into polyhydric alcohols By the process of the second step of emulsifying in the form of oil-in-water in the presence of the fatty acid ester, Solution to the Problems |