The two extracts were combined and evaporated by using rotary evaporatorapparatus under vacuum at 40 °C until no more water can be distilled. The obtained heavy syrups were weighed (78% for Saudi, 80% for Iraqi, and 73% for Rotab) and stored at
The two extracts were combined and evaporated by using rotary evaporatorapparatus under vacuum at 40 °C until no more water can be distilled. The obtained heavy syrups were weighed (78% for Saudi, 80% for Iraqi, and 73% for Rotab) and stored at