Colorimetry of Total Phenolics with Phosphomolybdic-Phosphotungstic Acid Reagents

Several details of the assay of total phenolic substances have been investigated and an improved procedure developed. The improvements include the use of Folin-Ciocalteu reagent rather than the Folin-Denis reagent, gallic acid as a reference standard, and a more reproducible time-temperature color development period. The values obtained are less subject to variation and interference from several nonphenols, yet are directly comparable to the "tannin" values obtained by the previously standard method.

• Publication year

  1965

• Venue

  American Journal of Enology and Viticulture

• Publication date

  Unknown publication date

• Fields of study

  Chemistry

• Identifiers
  DOI 10.5344/ajev.1965.16.3.144
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• No references are available for this paper.

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