Figure 2. Response surface and contour of the interaction between extraction time and liquid feed ratio

From

Comparison of Different Methods for Extracting Phenylethanoid Glycosides from Xinjiang Cistanchetubulosa

Huiling Ding, Xuli Zhang, Hangwei Hu, Jian Wang, Tao Wang, Yueyan Zhang, Huanyu Wu, Liang Wang

Journal of Food and Nutrition Research. 2020, 8(3), 121-128 doi:10.12691/jfnr-8-3-1