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United States Department of Agriculture

Agricultural Research Service

Phenolics:Table 6

Survey of Phenolic Compounds Produced in Citrus

Table 6
Comparison of similar (shared) and dissimilar (unique) peaks observed at 325 nm (to those observed at 285 nm) in various Citrus species and cultivars


Species and cultivars CRC# Plant part Peaks at 325 nm
Absorbance difference 285/325
Shared peaks Unique peaks % Area major Unique total % Area shared

Citrus grandis
Deep Red 2347 Leaf 12 5 6.2 12.4 87.6 1.0

C. limon
Kaweah #1 Lisbon 3010 Leaf 13 6 2.7 12.7 87.3 0.7

C. medica
Citron of Commerce 3518 Leaf 5 4 8.1 24.2 75.8 0.6
Fingered 3768 Leaf 12 5 3.7 9.6 89.6 0.6
Flavedo 1 3 6.8 15.4 84.6 0.3
India Sour 661 Leaf 10 5 5.9 23.8 76.2 0.8

C. natsudaidai
Unknown 3235 Flavedo 13 5 3.9 10.7 89.3 0.6
Albedo 19 8 2.1 9.4 90.6 1.5

C. paradisi
Camulos 3139 Leaf 14 12 6.1 20.7 79.3 1.1
Flavedo 21 6 4.1 12.4 87.6 0.9
Albedo 8 4 1.4 5.1 94.9 3.9
Juice 4 4 21.3 33.8 66.2 3.4
CRC #343 343 Leaf 15 7 8.6 19.1 80.6 0.9

C. sinensis
Bey 3406 Flavedo 24 4 2.5 6.2 93.8 0.9
Albedo 18 4 3.1 8.7 91.3 1.2
CPB #44944A Seedling 3305 Leaf 6 2 6.0 11.5 88.5 3.4
Flavedo 29 5 3.1 8.4 91.1 1.3
Albedo 29 6 2.3 4.7 95.3 1.0
Juice 2 0 0.0 0.0 100.0 3.5
CPB #44944B Seedling 3306 Leaf 23 6 2.6 7.7 91.8 1.1
Flavedo 14 6 3.4 11.8 88.3 1.5
Albedo 4 0 0.0 0.0 100.0 2.7
Paradise 2853 Leaf 24 5 2.1 5.2 94.2 1.1
Flavedo 15 10 3.1 17.2 82.8 1.5
Albedo 2 1 13.9 13.9 86.1 1.7
Juice 1 0 0.0 0.0 100.0 5.1
Thomson 983 Leaf 16 10 6.2 20.9 78.6 0.8
Flavedo 15 9 4.0 17.0 82.1 1.0
Albedo 5 4 10.0 29.7 70.3 0.9
Albedo 4 5 10.1 36.8 63.2 1.0
Juice 3 2 12.0 21.2 78.8 2.4

Average

12

4.8

5.2

13.4

86.4

1.6

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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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