Folin reaction

Fo·lin re·ac·tion

(fol'-in),
the reaction of amino acids in alkaline solution with 1,2-naphthoquinone-4-sulfonate (Folin reagent) to yield a red color; useful for quantitative assay.
Synonym(s): Folin reagent
[O. K. O. Folin]

Fo·lin re·ac·tion

(fō'lin rē-ak'shŭn)
The reaction of amino acids in alkaline solution with 1,2-naphthoquinone-4-sulfonate (Folin reagent) to yield a red color; useful for quantitative assay.
[O. K. O. Folin]

Folin,

Otto K.O., U.S. biochemist, 1867-1934.
Folin reaction - the reaction of amino acids in alkaline solution with 1,2-naphthoquinone-4-sulfonate (Folin reagent) to yield a red color. Synonym(s): Folin reagent
Folin reagent - Synonym(s): Folin reaction
Folin test - a quantitative test for urea.
Folin-Looney test - a test for tyrosine that gives a blue color in alkaline solution with a reagent consisting of sodium tungstate, phosphomolybdic acid, and phosphoric acid.
Lowry-Folin assay - Synonym(s): Lowry protein assay