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

Citrus reticulata

[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)
Robinson, CRC # 3850
Leaf		30.6	55.8	0.0	7.2	1.6	4.9		4.30	5.00	0.31
Flavedo		13.2	70.3	0.0	7.3	3.1	6.1		0.46	1.55	0.08
Albedo		4.1	77.0	0.0	5.9	7.3	5.6		0.11	1.37	0.05
Juice		0.0	84.8	0.0	0.0	0.0	15.2		0.00	0.16	0.00
Scarlet Emperor, CRC #3326
Leaf		28.4	62.7	0.0	0.0	3.2	5.6		0.43	0.61	0.00
Juice		3.6	84.5	0.0	0.0	3.8	8.0		0.02	0.27	0.00
Solid Scarlet, CRC # 3328
Leaf		52.7	36.4	0.0	0.0	4.7	6.1		2.34	1.03	0.00
Juice		0.0	90.8	0.0	0.0	0.0	9.2		0.00	0.28	0.00
Sunburst, CRC # 3809
Leaf		23.5	54.6	0.0	0.0	7.9	14.1		1.04	1.54	0.00
Flavedo		24.0	41.7	0.0	10.9	18.4	5.1		1.30	1.44	0.18
Albedo		16.2	52.2	0.0	14.8	11.8	5.0		0.98	2.01	0.27
Juice		8.2	68.3	0.0	0.0	8.1	15.4		0.03	0.18	0.00

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United States Department of Agriculture
Agricultural Research Service

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Original posting: April 1, 1999.