Figure 3. SEM of PTPS-1(A) and PTPS-2 (B) at 1000 (1), 4000 (2) and 7000 (3) fold magnification

From

Purification, Physicochemical Characterization, and Bioactivities of Polysaccharides from Puerh Tea

Limin Mao, Shuhong Shao, Shili Sun, Yuefei Wang, Ping Xu, Liewei Cai

Journal of Food and Nutrition Research. 2014, 2(12), 1007-1014 doi:10.12691/jfnr-2-12-23