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

Citrus aurantium

[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)
Granitos, CRC #2715
Leaf		34.5	55.4	0.0	0.0	9.4	0.7		2.34	2.40	0.00
Flavedo		44.9	12.1	0.0	25.4	9.1	8.5		1.34	0.23	0.23
Albedo		2.7	92.3	0.0	0.0	3.7	1.3		0.27	5.85	0.00
Juice		7.4	89.8	0.0	0.0	1.0	1.9		0.20	1.59	0.00
Keen #1–10, CRC #2624
Leaf		40.2	49.5	0.0	0.0	4.8	5.5		5.51	4.33	0.00
Flavedo		8.4	83.0	1.9	2.5	2.3	2.0		0.78	4.90	0.07
Albedo		8.0	80.1	0.4	7.8	1.8	1.9		0.85	5.43	0.26
Juice		4.2	86.0	0.0	3.3	1.2	5.2		0.08	1.01	0.02

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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.