Table 3.
Quantitation of the identified phenolic compounds in the three T. indica fractions
| Phenolic compound type | Identified compounds | T. indica fractions | |||||
|---|---|---|---|---|---|---|---|
| Dichloromethane (μg/g DW) | % (w/w) | Ethyl acetate (μg/ g DW) | % | n-butanol (μg/ g DW) | % | ||
| Phenolic acids | Vanillic acid | 20.01 | 7.15 | 12.5 | 3.45 | 96.6 | 12.4 |
| Protocatechuic acid | 119.69 | 42.75 | 146.7 | 40.52 | 307.5 | 39.5 | |
| p-hydroxybenzoic | 78.34 | 28 | 7.80 | 2.15 | ND | ||
| Syringic acid | ND | 71.5 | 19.75 | 225.7 | 29 | ||
| p-coumaric acid | ND | 5.70 | 1.57 | ND | |||
| Caffeic acid | ND | ND | 15.0 | 1.93 | |||
| Flavonoid | Rutin | ND | 20.1 | 5.55 | ND | ||
| Catechin | 61.86 | 22.1 | 97.7 | 27 | 134 | 17.2 | |
| Total phenolics | 280 | 100 | 362 | 100 | 779 | 100 | |
% (w/w) % calculated relative to the total concentration of identified phenolic compounds, ND not detected