The extracts were filtered using Whatman filter paper (No. 1) and then concentrated in vacuo at 40 °C using a rotary evaporator extractor. Extracts were kept in the dark at 4 °C until used.
The extracts were filtered using Whatman filter paper(No. 1) and then concentrated in vacuo at 40 °C using a rotaryevaporator extractor. Extracts were kept in the dark at4 °C until used.