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Comparison of tannin levels in developing fruit buds of two orchard pear varieties using two techniques, Folin-Denis
1Agricultural Science Service, Tolworth Laboratory Ministry of Agriculture, Fisheries and Food Hook Rise South, Tolworth, KT6 7NF, Surbiton, Surrey, UK.
Journal of Chemical Ecology
|December 10, 2013
Abstract:
As part of a study into dietary selection by avian pest species, the levels of phenolic material in pear buds have been determined using two approaches, the Folin-Denis assay and an assay based on the precipitation of bovine serum albumin by astringent phenols. The results of these two assays do not correlate over the sampling period and their overall significance to ecological studies is discussed.

