Identification of p-Hydroxybenzoic, Vanillic, p-Coumaric and Ferulic Acids in Soils

@article{Whitehead1964IdentificationOP,
  title={Identification of p-Hydroxybenzoic, Vanillic, p-Coumaric and Ferulic Acids in Soils},
  author={D. C. Whitehead},
  journal={Nature},
  year={1964},
  volume={202},
  pages={417-418}
}
THIS communication reports the occurrence of p-hydroxybenzoic, vanillic, p-coumaric and ferulic acids in four different soils of contrasting types (Table 1). Other workers have obtained these compounds by chemical degradation of humic acid1–3, and also from decomposing straw4; but reviews of the chemistry of soil organic matter5–7 indicate that only p-hydroxybenzoic acid has been previously identified in a free state in soils.