Journal ArticleDOI
The phenolic constituents of Prunus domestica. I.—The quantitative analysis of phenolic constituents
T. Swain,W. E. Hillis +1 more
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In this paper, methods for quantitative analysis of anthocyanins, leuco-anthocyanin, flavanols, and total phenols in plant tissue extracts are described.Abstract:
Methods for the quantitative analysis of anthocyanins, leuco-anthocyanins, flavanols and total phenols in plant tissue extracts are critically examined and suitable modifications of existing methods are described.read more
Citations
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Comparison of ABTS, DPPH, FRAP, and ORAC assays for estimating antioxidant activity from guava fruit extracts
TL;DR: Guava fruit extracts were analyzed for antioxidant activity measured in methanol extract and dichloromethane extract (AOAD), ascorbic acid, total phenolics, and total carotenoids contents.
Journal ArticleDOI
Characterization and Measurement of Anthocyanins by UV-Visible Spectroscopy
Journal ArticleDOI
The conversion of procyanidins and prodelphinidins to cyanidin and delphinidin
TL;DR: In this article, a standard method of analysis of proanthocyanidins based on use of an n-BuOH-HCl-FeIII mixture is given, and the ratio of absorbance maxima of the cyanidin (550 nm) produced to that near 280 nm for the original procyanidin polymer solution was ∼ 3.5.
Journal ArticleDOI
Extraction and analysis of phenolics in food
Marian Naczk,Fereidoon Shahidi +1 more
TL;DR: This paper provides a summary of background information and methodologies used for the analysis of phenolics in foods and nutraceuticals.
Book
Phenolics in food and nutraceuticals
Fereidoon Shahidi,Marian Naczk +1 more
TL;DR: Phenolics in Food and Nutraceuticals as mentioned in this paper is the first single-source compendium of essential information concerning food phenolics, which reports the classification and nomenclature of phenolics and their occurrence in food and nutraceuticals.
References
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Journal ArticleDOI
Leuco-anthocyanins. 1. Detection and identification of anthocyanidins formed from leuco-anthocyanins in plant tissues
TL;DR: Krebs, H. H., Potter, V. R., Goldman, A., Shipley, E. & Meyer, R. G. (1953).
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Kinetic studies of the metabolism of foreign organic compounds. 3. The conjugation of phenols with glucuronic acid
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Biosynthesis of quercetin in buckwheat: part iii
J. E. Watkin,A. C. Neish +1 more
TL;DR: In this paper, various C14-labelled compounds were administered to Fagopyrum tataricum and after allowing 24 hours for metabolism the quercetin was isolated and degraded, by a modified alkaline fusion, into phlorogl...
Journal ArticleDOI
Leucoanthocyanins as the Possiblig Precursors of Extractives in Woody Tissues
TL;DR: Leucoanthocyallins in plant tissues have been estimated by measuring the nnthocyanidins produced after hoating with i8opropanol-hydroehloric acid in it closo(1 tuhe.