Sample extraction
The leaves from different drying process will be taken of 1g and extracted with 50 ml.
The different solvent extractions such as distilled water, ethanol (50%) and
methanol (50%).
Of solvent with continuous swirling for 1 hour at room temperature, and then the extracts will be filtered under suction and stored at -20°C.
Prior to storage under freezing conditions, the samples will be measured of pH using a digital pH meter.