1. 1) Woo W. S., Lee C. K., Shin K. H., Planta Med., 45, 234–236 (1982).
2. 2) Deng S., Chen S.-N., Yao P., Nikolic D., van Breemen R. B., Bolton J. L., Fong H. H. S., Farnsworth N. R., Pauli G. F., J. Nat. Prod., 69, 536–541 (2006).
3. 3) Korea Food and Drug Administration, “Korean Pharmacopoeia X, Monographs,” Part 2 (II), Shinil Books, Seoul, 2012, p. 1260.
4. 4) The Ministry of Health, Labour and Welfare. “Dissolution Test. The Japanese Pharmacopoeia,” 16th ed., The Ministry of Health, Labour and Welfare, Tokyo, 2011, pp. 1668–1669.
5. 5) Chinese Pharmacopoeia Commission, “Chinese Pharmacopoeia,” China Medical Science and Technoligy Press, Beijing, 2010, pp. 124–125.