Evaluation and Optimization of Downstream Process Parameters for Extraction of Betulinic Acid from the Bark of Ziziphus jujubae L.

Table 1

Ranges of various independent process variables (temperature, pH, and process time) used in RSM.

Factor	Name	Range studied
		Low level	High level
𝐴	pH	3.00	10.00
𝐵	Time	2.00	5.00
𝐶	Temp.	30.00	60.00