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

Citrus grandis

[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)
African, CRC #2346
Leaf		40.7	52.4	0.0	0.0	3.2	3.7		1.87	1.54	0.00
Flavedo		1.7	46.0	5.1	15.4	1.4	30.4		0.05	0.85	0.14
Albedo		1.3	86.1	1.3	0.0	8.9	2.3		0.05	2.11	0.00
Juice		5.7	78.3	0.0	6.7	7.7	1.6		0.06	0.51	0.02
Deep Red, CRC #2347
Leaf		32.2	53.0	0.0	6.4	7.3	1.1		1.61	1.69	0.10
Flavedo		3.1	61.3	0.0	24.2	8.9	2.6		0.08	0.95	0.18
Albedo		0.0	88.3	0.0	5.8	4.2	1.6		0.00	2.93	0.09
Juice		0.0	73.9	6.5	9.9	7.0	2.7		0.00	0.34	0.02
Fleming, CRC #578
Leaf		37.3	56.5	0.0	1.8	1.4	3.0		4.69	4.54	0.07
Juice		0.0	74.5	2.3	10.4	10.1	2.6		0.00	0.73	0.05
Kao Panne, CRC #2355
Albedo		0.0	99.0	0.0	0.0	0.0	1.0		0.00	1.73	0.00
Kao Panne, CRC #2356
Leaf		11.3	83.2	0.0	3.3	1.2	1.0		1.08	5.06	0.10
Flavedo		1.4	47.6	19.0	26.4	4.1	1.5		0.08	1.66	0.45
Albedo		0.0	94.4	1.6	1.7	1.2	1.1		0.00	5.67	0.05
Juice		0.0	95.5	0.6	3.5	0.0	0.4		0.00	3.03	0.05
Moanalua, CRC #448
Leaf		33.9	46.6	0.0	0.0	12.4	7.1		1.73	1.52	0.00
Juice		15.1	36.7	7.0	35.3	0.0	5.8		0.07	0.12	0.05
Philippine hybrid, CRC #2343
Leaf		24.2	43.1	0.0	0.0	22.9	9.9		0.49	0.56	0.00
Juice		7.9	79.4	0.0	0.0	6.6	6.1		0.07	0.44	0.00
Red Aranyan hybrid, CRC #2605
Leaf		42.2	19.3	2.7	0.0	30.8	4.9		1.23	0.36	0.00
Juice		6.5	39.2	9.7	34.9	3.1	6.4		0.04	0.16	0.07
Red Fleshed, CRC #2338
Leaf		34.5	52.7	2.4	6.3	2.1	2.0		2.01	1.96	0.11
Flavedo		7.0	75.9	2.8	9.3	4.3	0.7		1.10	7.59	0.45
Albedo		0.0	93.3	0.8	4.6	0.7	0.6		0.00	10.32	0.25
Juice		1.5	85.5	3.7	7.7	1.4	0.1		0.03	1.27	0.06
Siamese Seedless, CRC #640
Leaf		35.4	51.2	0.0	0.0	7.4	6.0		3.29	3.03	0.00
Juice		0.0	64.7	2.2	21.3	9.7	2.1		0.00	0.33	0.05
Tahitian, CRC #3806
Leaf		28.1	61.9	0.0	4.6	0.6	4.8		1.51	2.13	0.08
Juice		0.0	64.3	3.3	22.8	3.9	5.7		0.00	0.27	0.05
Yuma Ponderosa Lemon, CRC #3488
Leaf		48.1	22.5	0.0	14.0	9.9	5.4		3.49	1.04	0.31
Juice		0.0	80.5	0.0	0.0	15.3	4.2		0.00	0.23	0.00

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United States Department of Agriculture
Agricultural Research Service

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Original posting: April 1, 1999.