References for the explanation of ingredients
1. Bensky D, Gamble A. Chinese Herbal Medicine: Materia Medica. Seattle: Eastland Press, 1993.
2. Yeung HC. . Institute of Chinese Medicine, 1995.
1. Data mining and frequency analysis for licorice as a "Two-Face" herb in Chinese Formulae based on Chinese Formulae Database.
Guo J, Shang E, Zhao J, Fan X, Duan J, Qian D, Tao W, Tang Y.Phytomedicine. 2014 Sep 25;21(11):1281-6. doi: 10.1016/j.phymed.2014.07.006. Epub 2014 Jul 31.PMID: 25172790
2. An "essential herbal medicine"-licorice: A review of phytochemicals and its effects in combination preparations.
Jiang M, Zhao S, Yang S, Lin X, He X, Wei X, Song Q, Li R, Fu C, Zhang J, Zhang Z.J Ethnopharmacol. 2020 Mar 1;249:112439. doi: 10.1016/j.jep.2019.112439. Epub 2019 Dec 4.PMID: 31811935 Review.
1. Y. Cui et al., “Effect of radix rehmanniae preparata on the expression of c-fos and NGF in hippocampi and learning and memory in rats with damaged thalamic arcuate nucleus,” Journal of Chinese Medicinal Materials, vol. 27, no. 8, pp. 589–592, 2004
2. A. Hongmei et al., “Prepared Radix Rehmanniae delay brain senescence in D-galactose induced senile rats,” Pharmacology and Clinics of Chinese Materiamedica, vol. 24, no. 3, pp. 59-60, 2008.
Polygonum multiflorum (Fo-ti)
1. Fo-ti. Review of Natural Products. Facts & Comparisons [database online]. St. Louis, MO: Wolters Kluwer Health Inc; October 2015.