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

Citrus paradisi

[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)
Camulos, CRC #3139
Leaf		37.7	56.7	0.0	2.7	1.3	1.5		4.15	3.99	0.09
Flavedo		12.2	43.4	6.2	26.8	10.8	0.6		0.51	1.16	0.35
Albedo		0.4	92.9	0.0	5.5	0.6	0.6		0.05	7.69	0.22
Juice		0.9	92.2	0.0	0.0	6.9	0.0		0.02	1.28	0.00
CRC #343
Leaf		38.6	51.8	2.5	0.9	4.4	1.7		3.88	3.32	0.03
Flavedo		8.7	27.3	15.0	32.4	13.0	3.5		0.37	0.74	0.43
Albedo		0.0	96.9	0.6	2.4	0.0	0.0		0.00	9.53	0.11
Juice		0.0	82.1	5.2	9.6	2.7	0.3		0.00	1.47	0.08
Duncan, CRC #3832
Leaf		6.4	88.7	0.0	0.0	0.0	4.8		0.25	2.24	0.00
Flavedo		0.0	58.0	6.6	16.1	9.0	10.4		0.00	0.64	0.09
Albedo		0.0	94.6	0.0	3.5	0.9	1.1		0.00	5.65	0.10
Juice		0.0	86.4	0.0	9.1	0.0	4.5		0.00	0.63	0.03
Hall, CRC #3068
Leaf		46.8	42.3	0.0	0.0	4.9	6.0		2.45	1.41	0.00
Juice		4.5	85.1	0.0	3.1	0.0	7.3		0.03	0.38	0.01
Jochimsen, CRC #2784
Leaf		21.7	68.1	0.0	0.0	8.1	2.2		0.72	1.44	0.00
Flavedo		14.4	53.6	5.0	5.3	18.6	3.3		0.46	1.09	0.05
Albedo		0.7	90.4	0.0	5.8	0.7	2.4		0.05	3.95	0.12
Juice		4.7	69.8	0.0	13.9	6.3	5.2		0.04	0.39	0.04
Reed Seedling Marsh, CRC #3128
Leaf		51.8	37.7	0.0	0.0	6.0	4.5		1.38	0.64	0.00
Juice		3.7	85.0	0.0	0.0	0.5	10.9		0.02	0.31	0.00
Star Ruby, CRC #3770
Leaf		34.2	57.3	0.0	0.0	3.1	5.4		1.95	2.09	0.00
Flavedo		6.9	59.6	5.9	19.3	5.5	2.8		0.22	1.21	0.19
Albedo		0.4	93.9	0.0	3.4	1.3	0.9		0.10	15.03	0.26
Juice		2.0	83.8	1.3	9.5	2.3	1.0		0.05	1.39	0.08
Whitney Old Line Marsh, CRC #3804
Leaf		43.5	41.5	0.0	0.0	9.0	6.0		2.72	1.66	0.00
Juice		3.1	68.1	6.4	18.3	3.0	1.1		0.05	0.73	0.09
Yellow Rind Mandarin, CRC # 3895
Leaf		55.4	29.2	0.0	0.0	10.3	5.2		2.91	0.98	0.00
Flavedo		27.6	50.4	0.0	9.8	7.1	5.1		0.82	0.96	0.09
Albedo		18.2	53.0	0.0	17.4	2.4	9.0		0.57	1.07	0.17
Juice		9.3	73.4	0.0	0.0	7.4	10.0		0.06	0.30	0.00

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United States Department of Agriculture
Agricultural Research Service

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Original posting: April 1, 1999.