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

Citrus grandis × C. sinensis

[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)
Shaddock × St. Michael, CRC #42–1
Leaf		6.3	77.5	0.0	4.9	9.0	2.3		0.38	2.99	0.09
Juice		3.2	74.8	1.9	8.2	9.8	2.2		0.05	0.75	0.04
Tahitian × Star Ruby, CRC #3781
Leaf		21.8	52.7	1.5	0.0	17.6	6.4		1.18	1.83	0.00
Juice		0.0	100.0	0.0	0.0	0.0	0.0		0.00	0.07	0.00

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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.