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Review
. 2013 Feb 19;18(2):2328-75.
doi: 10.3390/molecules18022328.

Techniques for analysis of plant phenolic compounds

Ali Khoddami  1 , Meredith A Wilkes, Thomas H Roberts
Affiliations
Review

Techniques for analysis of plant phenolic compounds

Ali Khoddami et al. Molecules. .

Abstract

Phenolic compounds are well-known phytochemicals found in all plants. They consist of simple phenols, benzoic and cinnamic acid, coumarins, tannins, lignins, lignans and flavonoids. Substantial developments in research focused on the extraction, identification and quantification of phenolic compounds as medicinal and/or dietary molecules have occurred over the last 25 years. Organic solvent extraction is the main method used to extract phenolics. Chemical procedures are used to detect the presence of total phenolics, while spectrophotometric and chromatographic techniques are utilized to identify and quantify individual phenolic compounds. This review addresses the application of different methodologies utilized in the analysis of phenolic compounds in plant-based products, including recent technical developments in the quantification of phenolics.

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Figures

Figure 1
Figure 1
Basic structures of phenolic acids and flavonoids.
Figure 2
Figure 2
Schematic diagram of an apparatus for ultrasonic-microwave assisted extraction (UMAE) [115].
See this image and copyright information in PMC

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