1. Fabjan, N. 2003. Rutin, Quercitrin and Quercetin In Buckwheat. Zb. Bioteh. Fak. Univ. Ljblj. Kmet. 81 : 151–159.
2. Hirose, T. and Ujihara, A. 1998. Buckwheat Flower Pictorial. Fagopyrum 15 : 71–82.
3. Honda, Y. 1995. Varietal Difference of The Content of Vitamin E Homologues In Buckwheat. Current Advances In Buckwheat Research (Proc. 6Th Int. Symp. Buckwheat At Ina) : 777–781.
4. Horie, H., Ujihara, T., Kohata, K., Uematsu, H., Nakajima, T., Hiromoto, M. and Kakiuchi, T. 2001. Analysis of Polyphenols In Green Tea Using A Polyphenol Sensor. Nippon Shokuhin Kogyo Gakkaishi 48 : 586–590.
5. Ito, S., Ohsawa, R., Tsutsumi, T., Baba, T., Arakawa, A., Hayashi, K. and Nakamura, E. 2005. A New Common Buckwheat Variety “Toyomusume” With High Yield and Higher Rutin Content. Bull. Natl. Agric. Res. Cent. 6 : 1–13.