Table 1 Concentrations of the main catechins and carotenoids in young shoots of chlorotic (full sunlight) and green (shaded) tea plants
Name | Shaded green (G) plants | Chlorotic (C) plants |
|---|---|---|
Catechins (mg/g fresh weight) | ||
 Catechin gallate | 0.01 ± 0.00a | 0.06 ± 0.01b |
 Gallate acid | 0.09 ± 0.03 | 0.16 ± 0.03 |
 Gallocatechin | 0.26 ± 0.04a | 0.08 ± 0.01b |
 Epicatechin | 1.73 ± 0.12a | 2.36 ± 0.21b |
 Catechin | 0.08 ± 0.02 | 0.10 ± 0.01 |
 Epigallocatechin | 0.59 ± 0.04a | 0.72 ± 0.04b |
 Gallocatechin gallate | 0.29 ± 0.05 | 0.24 ± 0.06 |
 Epigallocatechin gallate | 9.32 ± 0.51a | 7.82 ± 1.1b |
 Epicatechin gallate | 5.24 ± 0.23 | 5.34 ± 0.21 |
Carotenoids and chlorophyll (μg/cm2 leaf area) | ||
 Neoxanthin | 16.44 ± 0.17a | 1.21 ± 0.03b |
 Lutein | 50.90 ± 3.39a | 11.15 ± 0.12b |
 Violaxanthin | 3.45 ± 0.11a | 1.78 ± 0.06b |
 β-Carotene | 8.08 ± 0.14a | 13.02 ± 0.81b |
 Zeaxanthin | 3.22 ± 0.17a | 10.12 ± 0.19b |
 Chlorophyll-a | 128.84 ± 1.31a | 5.83 ± 0.16b |
 Chlorophyll-b | 34.46 ± 2.26a | 9.01 ± 0.12b |