Survey of Phenolic Compounds Produced in Citrus
Table 2. Percentage and total concentrations of phenolics in Citrus and related species

Citrus excelsa

[The CRC # represents accession number in the Citrus Variety Collection, University of California, Riverside. Abbreviations used in table: Flav/ol, flavone/flavonol; Flavan, flavanone; Psor, psoralen; Coum, coumarin/cinnamic acid; Unkn, unknown]

Cultivar, CRC #
Plant Part		Proportion							Concentration
		Flav/ol	Flavan	Psor	Coum	Unkn	Void		Flav/ol	Flavan	Coum
		(%)							(mg/g)
Unknown, CRC #2316
Leaf		16.9	38.7	2.6	25.1	12.5	4.1		0.99	1.45	0.45
Flavedo		19.3	35.0	25.3	6.0	13.2	1.1		2.55	2.96	0.24
Albedo		17.4	47.0	12.2	15.9	5.7	1.8		1.33	2.30	0.38
Juice		12.2	55.1	8.3	20.6	2.2	1.5		0.17	0.50	0.90

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United States Department of Agriculture
Agricultural Research Service

The material on this page is in the public domain.

Original posting: April 1, 1999.