1. I. Hinneburg and R. H. H. Neubert, Influence of extraction parameters on the phytochemical characteristics of extracts from buckwheat (Fagopyrum esculentum) herb, J. Agric. Food Chem. 53 (2005) 3-7; DOI: 10.1021/jf049118f.10.1021/jf049118f
3. S. Kreft, B. [trukelj, A. Gaber{~ik and I. Kreft, Rutin in buckwheat herbs grown at different UV-B radiation levels: comparison of two UV spectrophotometric and an HPLC method, J. Exp. Bot. 53 (2002) 1801-1804; DOI: 10.1093/jxb/erf032.10.1093/jxb/erf032
4. J. Kalinova, J. Triska and N. Vrchotova, Distribution of vitamin E, squalene, epicatechin and rutin in common buckwheat plants (Fagopyrum esculentum Moench), J. Agric. Food Chem. 54 (2006) 5330-5335; DOI: 10.1021/jf060521r.10.1021/jf060521r
5. J. Kalinova and N. Vrchotova, Level of catechin, myricetin, quercetin and isoquercitrin in buckwheat (Fagopyrum esculentum Moench), changes of their levels during vegetation and their effect on the growth of selected weeds, J. Agric. Food Chem. 57 (2009) 2719-2725; DOI: 10.1021/ jf803633f.10.1021/jf803633f
6. N. Ihme, H. Kiesewetter, F. Jung, K. H. Hoffmann, A. Birk, A. Muller and K. I. Grutzner, Leg oedema protection from a buckwheat herb tea in patients with chronic venous insufficiency: a single centre, randomised, double blind, placebo-controlled clinical trial, Eur. J. Clin. Pharmacol. 50 (1996) 443-447; DOI: 10.1007/s002280050138.10.1007/s002280050138
7. B. Archimowicz Cyrylowska, B. Adamek, M. Drozdzik, L. Samochowiec and J. Wojcicki, Clinical effect of buckwheat herb, Ruscus extract and troxerutin on retinopathy and lipids in diabetic patients, Phytother. Res. 10 (1998) 659-662; DOI: 10.1002/(SICI)1099-1573(199612)10:8<;659::AIDPTR930> 3.0.CO;2-U.
8. C. L. Liu, Y. S. Chen, J. H. Yang, B. H. Chiang and C. K. Hsu, Trace element water improves the antioxidant activity of buckwheat (Fagopyrum esculentum Moench) sprouts, J. Agric. Food Chem. 55 (2007) 8934-8940; DOI: 10.1021/jf0716275.10.1021/jf0716275
9. S. J. Kim, T. Maeda, M. Z. Sarker, S. Takigawa, C. Matsuura-Endo, H. Yamauchi, Y. Mukasa, K. Saito, N. Hashimoto, T. Noda, T. Saito and T. Suzuki, Identification of anthocyanins in the sprouts of buckwheat, J. Agric. Food Chem. 55 (2007) 6314-6318; DOI: 10.1021/jf0704716.10.1021/jf0704716
11. K. Eguchi, T. Anase and H. Osuga, Development of a high-performance liquid chromatography method to determine the fagopyrin content of tartary buckwheat (Fagopyrum tartaricum Gaertn.) and common buckwheat (F. esculentum Moench), Plant Prod. Sci. 12 (2009) 475 480; DOI: 10.1626/pps.12.475.10.1626/pps.12.475
12. R. Ebermann, G. Alth, M. Kreitner and A. Kubin, Natural products derived from plants as potential drugs for the photodynamic destruction of tumor cells, J. Photochem. Photobiol. B 36 (1996) 95-97; DOI: 10.1016/S1011-1344(96)07353-8.10.1016/S1011-1344(96)07353-8
13. L. O`bolt, S. Kreft, I. Kreft, M. Germ and V. Stibilj, Distribution of selenium and phenolics in buckwheat plants grown from seeds soaked in Se solution and under different levels of UV-B radiation, Food Chem. 110 (2008) 691-696; DOI: 10.1016/j.foodchem.2008.02.073.10.1016/j.foodchem.2008.02.073
14. C. Theurer, K. I. Gruetzner, S. J. Freeman and U. Koetter, In vitro phototoxicity of hypericin, fagopyrin rich, and fagopyrin free buckwheat herb extracts, Pharm. Pharmacol. Lett. 7 (1997) 113-115.
15. J. Brockmoller, T. Reum, S. Bauer, R. Kerb, W. D. Hubner and I. Roots, Hypericin and pseudohypericin: pharmacokinetics and effects on photosensitivity in humans, Pharmacopsychiatry 30 (Suppl. 2) (1997) 94-101; DOI: 10.1055/s-2007-979527.10.1055/s-2007-9795279342768
16. R. M. Gulick, V. McAuliffe, J. Holden-Wiltse, C. Crumpacker, L. Liebes, D. S. Stein, P. Meehan, S. Hussey, J. Forcht and F. T. Valentine, Phase I studies of hypericin, the active compound in St. John’s Wort, as an antiretroviral agent in HIV-infected adults. AIDS Clinical Trials Group Protocols 150 and 258, Ann. Intern. Med. 130 (1999) 510-514; DOI: 10.7326/0003-4819-130-6-1999 03160-00015.
17. H. Chick and P. Ellinger, The photo-sensitizing action of buckwheat (Fagopyrum esculentum), J. Physiol. 100 (1941) 212-230.10.1113/jphysiol.1941.sp003935139330816991519
18. N. Fabjan, J. Rode, I. J. Kosir, Z. H. Wang, Z. Zhang and I. Kreft, Tartary buckwheat (Fagopyrum tataricum Gaertn.) as a source of dietary rutin and quercitrin, J. Agric. Food Chem. 51 (2003) 6452-6455; DOI: 10.1021/jf034543e.10.1021/jf034543e14558761
19. S.-J. Kim, I. S. M. Zaidul, T. Suzuki, Y. Mukasa, N. Hashimoto, S. Takigawa, T. Noda, C. Matsuura- Endo and H. Yamauchi, Comparison of phenolic compositions between common and tartary buckwheat (Fagopyrum) sprouts, Food Chem. 110 (2008) 814-820; DOI:10.1016/j.foodchem.2008.02.050.10.1016/j.foodchem.2008.02.05026047265