1. 1) Mooradian, A. D. and Thurman, J. E., Drug therapy of postprandial hyperglycemia. Drugs, 57, 19-29 (1999).
2. 2) Watanabe, J., Kawabata, J., Kurihara, H., and Niki, R., Isolation and identification of alpha-glucosidase inhibitors from Tochu-cha (Eucommia ulmoides). Biosci. Biotechnol. Biochem., 61, 177-178 (1997).
3. 3) Kazaz, M. A., Desseaux, V., Marchis-Mouren, G., Prodanov, E., and Santimone, M., The mechanism of porcine pancreatic alpha-amylase inhibition of maltopentaose hydrolysis by acarbose, maltose and maltotriose. Eur. J. Biochem., 252, 100-107 (1998).
4. 4) Uchida, R., Nasu, A., Tokutake, S., Kasai, K., Tobe, K., and Yamaji, N., Synthesis of new N-containing maltooligosaccharides, alpha-amylase inhibitors, and their biological activities. Chem. Pharm. Bull., 47, 187-193 (1999).
5. 5) Havsteen, B., Flavonoids, a class of natural products of high pharmacological potency. Biochem. Pharmacol., 32, 1141-1148 (1983).