Table 8. Concentrations of citric acid, malic acid, fructose, sucrose, glucose and catechin in leaf and phloem extracts of P. balgooyi, P. securinegioides and R. bengalensis.
| Species | Part | Sample | Malate | Citrate | Fructose | Glucose | Sucrose | Catechin |
|---|---|---|---|---|---|---|---|---|
| μg g−1 (dry weight) | ||||||||
| Phyllanthus balgooyi | Phloem tissue | 1 | 0.8 | 121.7 | 0.4 | 0.5 | 13.9 | 5.9 |
| Phyllanthus balgooyi | Phloem tissue | 2 | 0.5 | 81.6 | 0.4 | 0.4 | 10.4 | 3.9 |
| Phyllanthus balgooyi | Phloem tissue | 3 | 0.5 | 102.5 | 1.6 | 1.1 | 62.4 | 3.2 |
| Phyllanthus balgooyi | Phloem sap | 1 | 12.8 | 480.0 | 2.3 | 2.7 | 4.9 | n.d. |
| Phyllanthus balgooyi | Phloem sap | 2 | 14.1 | 285.6 | 2.1 | 1.5 | 6.7 | n.d. |
| Phyllanthus balgooyi | Phloem sap | 3 | 14.4 | 314.8 | 1.5 | 0.7 | 11.9 | n.d. |
| Phyllanthus securinegioides | Phloem tissue | 1 | 1.1 | 12.1 | 0.5 | 0.4 | 40.7 | 1.7 |
| Phyllanthus securinegioides | Phloem tissue | 2 | 1.4 | 14.0 | 0.4 | 0.4 | 43.1 | 1.7 |
| Phyllanthus securinegioides | Phloem tissue | 3 | 1.2 | 14.9 | 0.6 | 0.5 | 50.9 | 1.9 |
| Rinorea bengalensis | Phloem tissue | 1 | 3.8 | 70.9 | 19.4 | 16.2 | 186.0 | n.d. |
| Rinorea bengalensis | Phloem tissue | 2 | 3.0 | 34.4 | 18.1 | 13.9 | 141.5 | n.d. |
| Rinorea bengalensis | Phloem tissue | 3 | 3.6 | 41.7 | 17.7 | 15.5 | 135.2 | n.d. |
Results obtained with quantitative GC-MS.