1. 1) Okuda T. Saishin Syoyakugaku, Hirokawashoten, Tokyo, p. 87 (2011).
2. 2) Chen Y, Wong RW, Seneviratne CJ, Hägg U, McGrath C, Samaranayake LP, Kao R. The antimicrobial efficacy of Fructus mume extract on orthodontic bracket: a monospecies-biofilm model study in vitro. Arch. Oral Biol., 56, 16–21 (2011).
3. 3) Seneviratne CJ, Wong RWK, Hagg U, Chen Y, Herath TDK, Samaranayake PL, Kao R. Prunus mume extract exhibits antimicrobial activity against pathogenic oral bacteria. Int. J. Paediatr. Dent., 21, 299–305 (2011).
4. 4) Yingsakmongkon S, Miyamoto D, Sriwilaijaroen N, Fujita K, Matsumoto K, Jampangern W, Hiramatsu H, Guo CT, Sawada T, Takahashi T, Hidari K, Suzuki T, Ito M, Ito Y, Suzuki Y. In vitro inhibition of human influenza A virus infection by fruit-juice concentrate of Japanese plum (Prunus mume SIEB. et ZUCC). Biol. Pharm. Bull., 31, 511–515 (2008).
5. 5) Otsuka T, Tsukamoto T, Tanaka H, Inada K, Utsunomiya H, Mizoshita T, Kumagai T, Katsuyama T, Miki K, Tatematsu M. Suppressive effects of fruit-juice concentrate of Prunus mume SIEB. et ZUCC. (Japanese apricot, Ume) on Helicobacter pylori-induced glandular stomach lesions in Mongolian gerbils. Asian Pac. J. Cancer Prev., 6, 337–341 (2005).