Antihyperglycemic effects of propolis mixed with mulberry leaf extract on patients with type 2 diabetes.

Kohji Murata, MD, is at the Shimane Institute of Health Science in Izumo, Japan, and in the department of complementary and alternative medicine at the Kanazawa University Graduate School of Medical Science, Kanazawa, Japan. Kazuhisa Yatsunami, PhD, and Eiichi Fukuda are in the department of applied biological chemistry, faculty of agriculture, at Tamagawa University in Tokyo, Japan. Satoshi Onodera, PhD, is in the department of clinical and biological science at Showa Pharmaceutical University in Tokyo, Japan. Osamu Mizukami, MD, PhD, is at the Tokyo Adventist Hospital. Gen Hoshino, MD, is in the department of environmental physiology at the Shimane Medical University School of Medicine in Izumo, Japan. Tsutomu Kamei, MD, PhD, is in the department of Complementary and Alternative Medicine, Graduate School of Medical Science at Kanazawa University and at the Shimane Institute of Health Science in Izumo, Japan.