“…The mixed herbal preparations that have antidementia effects on animal models are listed: BR-16A (Mentat) (Faruqi et al, 1995;Handu and Bhargava, 1997), Bu-Zhong-Yi-Qi-Tang (Shih et al, 2000), Choto-san (Mizushima et al, 2003;Watanabe et al, 2003;Yuzurihara et al, 1999), DX-9386 (Nishiyama et al, 1994a(Nishiyama et al, , 1994bSmriga et al, 1995;Zhang et al, 1994), Liuwei-Dihuang-Wan (Hirokawa et al, 1994;Hsieh et al, 2003;Wei, 2000), Ninjin-yoei-to (Ren-Shen-Yang-Rong-Tang) (Egashira et al, 2003), Oren-gedoku-to (Huang-Lian-Jie-Du-Tang) (Xu et al, 2000), S-113M (Nishiyama et al, 1995b(Nishiyama et al, , 1996, Shosaikoto (Amagaya et al, 1990), Yi-Zhi-Fang (Shan et al, 2002), and Zingicomb (Topic et al, 2002a(Topic et al, , 2002b.…”