- 1) Tsukihashi, T., Yoshida, T., Miyamoto, M., and Suzuki, N., Studies on the cultivation of yacon I. Influence of different planting densities on the tuber yield. Japanese Journal of Farm Work Research (in Japanese), 24, 32-38 (1989).
- 2) Ohyama, T., Ito, O., Yasuyoshi, S., Ikarashi, T., Minamisawa, K., Kubota, M., Tsukihashi, T., and Asami, T., Composition of storage carbohydrate in tubers of yacon (Polymnia sonchifolia). Soil Sci. Plant Nutr., 36, 167-171 (1990).
- 3) Hondo, M., Nakano, A., Okumura, Y., and Yamaki, T., Effects of activated carbon powder treatment on clarification, decolorization, deodorization and fructooligosaccharide content of yacon juice. Nippon Shokuhin Kagaku Kogaku Kaishi (in Japanese), 47, 148-154 (2000).
- 4) Aybar, M. J., Sánchez Riera, A. N., Grau, A., and Sánchez, S. S., Hypoglycemic effect of the water extract of Smallantus sonchifolius (yacon) leaves in normal and diabetic rats. J. Ethnopharmacol., 74, 125-132 (2001).
- 5) Kakuta, H., Seki, T., Hashidoko, Y., and Mizutani, J., Ent-kaurenic acid and its related compounds from glandular trichome exudate and leaf extracts of Polymnia sonchifolia. Biosci. Biotechnol. Biochem., 56, 1562-1564 (1992).
- 6) Takasugi, M., and Masuda, T., Three 4′-hydroxyacetophenone-related phytoalexins from Polymnia sonchifolia. Phytochemistry, 43, 1019-1021 (1996).
- 7) Nishimura, H., Terui, S., and Sato, A., Biological activities and application of yacon tubers. Yacon Kenkyu Kaiho (in Japanese), 2, 20-21 (1999).
- 8) Inoue, A., Tamogami, S., Kato, H., Nakazato, Y., Akiyama, M., Kodama, O., Akatsuka, T., and Hashidoko, Y., Antifungal melampolides from leaf extracts of Smallanthus sonchifolius. Phytochemistry, 39, 845-848 (1995).
- 9) Kodama, O., Application of bioactive compounds in yacon leaves. Yacon Kenkyu Kaiho (in Japanese), 2, 8-11 (1999).
- 10) Gnanamanickam, S. S., and Smith, D. A., Selective toxicity of isoflavonoid phytoalexins to gram-positive bacteria. Phytopathology, 70, 894-896 (1980).
- 11) Akatsuka, T., Kodama, O., Sekido, H., Kono, Y., and Takeuchi, S., Novel phytoalexins (oryzalexins A, B and C) isolated from rice blast leaves infected with Pyricularia oryzae. Part I: isolation, characterization and biological activities of oryzalexins. Agric. Biol. Chem., 49, 1689-1694 (1985).
- 12) Bardón, A., Cardona, L., Cartagena, E., Catalán, C. A. N., and Pedro, J. R., Melampolides from Enydra anagallis. Phytochemistry, 57, 125-130 (2001).
- 13) Bohlmann, F., Ziesche, J., King, R. M., and Robinson, H., Neue Melampolide aus Smallanthus fruticosus. Phytochemistry, 19, 973-974 (1980).
Bioscience, Biotechnology, and Biochemistry
Volume 67, 2003 - Issue 10