Figure 1. 3D Score plot of PCA analysis of the tested 24 batches of Brazilian and Chinese propolis HPLC fingerprints. B1-B12 represent the 12 Brazilian green propolis and C1-C12 represent the 12 Chinese propolis. The Brazilian green propolis and the Chinese propolis samples cluster into two separate categories in the score plot of PCA. (Adapted from our previous study accepted E3S Web of Conferences)

From

A Great Concern Regarding the Authenticity Identification and Quality Control of Chinese Propolis and Brazilian Green Propolis

Shengwei Sun, Jian He, Meijuan Liu, Guangling Yin, Xuguang Zhang

Journal of Food and Nutrition Research. 2019, 7(10), 725-735 doi:10.12691/jfnr-7-10-6