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United States Department of Agriculture

Agricultural Research Service

Phenolics:Table 5

Survey of Phenolic Compounds Produced in Citrus

Table 5.
Comparison of similar (shared) and dissimilar (unique) peaks observed at 285 nm (to those observed at 325 nm) in various Citrus species and cultivars


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

Citrus grandis
Deep Red 2347 Leaf 12 2 9.0 14.6 82.9 1.0

C. limon
Kaweah #1 Lisbon 3010 Leaf 13 1 6.6 6.6 88.0 0.7

C. medica
Citron of Commerce 3518 Leaf 5 0 0.0 0.0 83.1 0.6
Fingered 3768 Flavedo 1 1 16.1 16.1 83.9 0.3
Leaf 12 3 2.6 6.8 84.6 0.6
India Sour 661 Leaf 10 1 13.6 13.6 77.2 0.8

C. natsudaidai
Unknown 3235 Flavedo 13 4 2.1 6.3 93.0 0.6
Albedo 19 7 5.4 16.0 82.4 1.5

C. paradisi
Camulos 3139 Flavedo 21 4 2.9 7.7 91.7 0.9
Albedo 8 7 1.3 4.5 94.9 3.9
Juice 4 6 6.9 17.8 82.2 3.4
Leaf 14 6 8.7 20.2 78.3 1.1
CRC #343 343 Leaf 15 7 20.2 33.7 64.5 0.9

C. sinensis
Bey 3406 Flavedo 24 3 1.2 3.2 92.7 0.9
Albedo 18 3 3.1 7.6 89.9 1.2
CPB #44944A Seedling 3305 Flavedo 29 3 23.7 27.4 71.2 1.3
Albedo 29 5 12.2 15.4 81.7 1.0
Juice 2 2 78.0 79.5 19.0 3.5
Leaf 6 3 35.5 42.4 57.0 3.4
CPB #44944B Seedling 3306 Flavedo 14 6 35.9 43.3 56.1 1.5
Albedo 4 3 41.7 41.1 50.2 2.7
Leaf 23 7 17.7 25.0 71.9 1.1
Paradise 2853 Flavedo 15 1 41.9 42.0 56.1 1.5
Albedo 2 5 67.7 67.7 32.3 1.7
Juice 1 2 83.9 86.2 13.8 5.1
Leaf 24 6 11.1 15.5 80.9 1.1
Thomson 983 Flavedo 15 6 4.3 18.2 77.1 1.0
Albedo 5 1 7.7 7.7 88.9 0.9
Albedo 4 2 6.0 9.6 75.6 1.0
Juice 3 1 5.9 5.9 89.7 2.4
Leaf 16 4 2.2 6.5 93.4 0.8

Average

12

3.6

20.3

24.5

72.1

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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