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United States Department of Agriculture

Agricultural Research Service

Phenolics:Table 1

Survey of Phenolic Compounds Produced in Citrus

Table 1
HPLC peaks in chromatograms of extracts from Citrus and related species at 285 nm

[Format: number of peaks ± standard deviation (number of samples in this average)]


Species Number of peaks per tissue
Leaf   Flavedo   Albedo   Juice vesicles

Citrus
aurantifolia 19.0 ± 2.8 (7) 6.8 ± 6.8 (6) 18.0 ± 5.4 (6) 9.0 ± 3.0 (7)
aurantium 17.0 ± 3.5 (2) 18.0 ± 0.0 (2) 16.0 ± 2.1 (2) 10.0 ± 0.7 (2)
excelsa 16.0 ± (1) 28.0 ± (1) 27.0 ± (1) 17.0 ± (1)
grandis 16.0 ± 4.3 (13) 20.0 ± 0.0 (4) 9.0 ± 6.8 (6) 10.0 ± 2.6 (11)
grandis × limon 21.4 ± 3.8 (5) 25.3 ± 1.1 (3) 14.3 ± 1.5 (3) 11.4 ± 1.5 (5)
hystrix 12.0 ± 3.4 (4) ± (—) ± (—) 18.0 ± 0.0 (2)
jambhiri 17.0 ± 4.9 (7) 21.0 ± 5.1 (3) 18.0 ± 7.5 (4) 5.0 ± 3.1 (8)
limon 15.4 ± 4.2 (8) 27.4 ± 10. 7 (7) 19.7 ± 7.7 (7) 9.4 ± 6.9 (8)
longispina 11.0 ± (1) ± (—) ± (—) 5.0 ± (1)
medica 10.0 ± 3.8 (12) 16.0 ± 8.1 (15) 8.0 ± 4.1 (12) 4.0 ± 2.1 (11)
paradisi 15.0 ± 6.5 (9) 20.0 ± 7.0 (6) 14.0 ± 3.9 (6) 8.0 ± 4.5 (9)
reticulata 11.0 ± 5.1 (4) 12.0 ± 2.0 (2) 13.0 ± 4.2 (2) 2.0 ± 1.0 (4)
reticulata × grandis 15.5 ± 0.5 (2) 21.0 ± (1) 25.0 ± (1) 7.0 ± (1)
reticulata × sinensis 14.5 ± 0.5 (2) 30.0 ± (1) 19.5 ± 2.2 (2) 5.0 ± (1)
rugulosa 13.0 ± (1) 17.0 ± 7.0 (2) 17.0 ± (1) 7.0 ± (1)
sinensis 16.0 ± 8.0 (23) 22.0 ± 6.2 (14) 18.0 ± 9.2 (18) 6.0 ± 2.4 (24)
ujukitsu 20.0 ± 5.0 (3) 30.0 ± 4.2 (3) 14.0 ± (1) 14.0 ± 14.0 (3)
 
Citrus average 15.3 21.0 16.9 8.7

Eremocitrus
glauca 26.0 ± (1) 37.0 ± (1) 31.0 ± (1) ± (—)

Microcitrus
australasica 31.0 ± (1) ± (—) ± (—) 3.0 ± (1)
inodora 19.0 ± (1) 33.0 ± (1) ± (—) 30.0 ± (1)
warburgiana 20.0 ± 7.0 (2) 25.0 ± (1) ± (—) 10.0 ± (1)
 
Citrus relatives average 24.0 31.7 31.0 15.8

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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.

Last Modified: 2/6/2002
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