Antiviral and Antitumor Activity of Licorice Root Extracts

Kunihiko Fukuchi, Noriyuki Okudaira, Kazunori Adachi, Reina Odai-Ide, Shigeru Watanabe, Hirokazu Ohno, Masaji Yamamoto, Taisei Kanamoto, Shigemi Terakubo, Hideki Nakashima, Yoshihiro Uesawa, Hajime Kagaya, Hiroshi Sakagami  Because there is a search to derive antiviral and anti-tumor substances from natural resources, an investigation was done into the antiviral and anti-tumor activities of licorice root extract. The method included a ratio of 50% cytotoxic concentration to 50% effective concentration...