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

Citrus reticulata × Poncirus trifoliata

[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)

Unknown, CRC # 2619

Leaf

7.9

57.0

7.1

13.5

14.1

0.4

1.62

7.45

0.85

Flavedo

53.4

39.3

0.0

1.3

3.8

2.2

2.32

1.09

0.02

Albedo

10.9

50.5

9.1

15.0

14.2

0.5

6.01

17.77

2.55

Juice

1.0

94.3

0.5

1.7

1.9

0.1

0.14

8.54

0.07

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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.

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Last Modified: 02/06/2002
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