Li, J.-F., and J.-G. Xu. “Studies on Extraction Process of Total Polyphenols from Galanga (<i>Alpinia officinarum</I> Hance) Rhizomes”. Asian Journal of Agriculture and Food Sciences, vol. 3, no. 6, Feb. 2016, https://ajouronline.com/index.php/AJAFS/article/view/3326.