Folin–Ciocalteu's reagent

正确答案，福-锡二氏试剂。我今天翻译时也遇到同样的问题，希望对你有所帮助！
The phenolic content of OPP used in animal studies was
determined using the Folin–Ciocalteu reagent

The Folin-Ciocalteu reagent is a mixture of phosphomolybdate and phosphotungstate used for the colorimetric assay of phenolic antioxidants and polyphenol antioxidants. It works by measuring the amount of the substance being tested needed to inhibit the oxidation of the reagent.