Analysis of condensed tannins using acidified vanillin
1978/09/01 by Richard B. Broadhurst, William T. Jones · 32 citations
Biochemistry, Genetics and Molecular Biology · Chemistry · Agricultural and Biological Sciences · #Biochemical and biochemical processes #Analytical Chemistry and Chromatography #Fermentation and Sensory Analysis
paper · doi:10.1002/jsfa.2740290908
Abstract
Abstract The acidified vanillin method for determination of plant tannins has been reassessed. Excluding light and controlling the temperature of the reaction mixture increased the colour stability of the vanillin tannin adduct. Selection of optimum concentrations of reactants and solvents enabled the method to be used in the range 5‐500 μg of condensed tannin with a precision and accuracy greater than 1 μg.
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