Molnar P, Kawase M, Satoh K, Sohara Y, Tanaka T, Tani S, Sakagami H, Nakashima H, Motohashi N, Gyemant N, Molnar J.Biological activity of carotenoids in red paprika, Valencia orange and Golden delicious apple.Phytother Res. 2005 Aug;19(8):700-7. Nishino H, Murakosh M, Ii T, Takemura M, Kuchide M, Kanazawa M, Mou XY, Wada S, Masuda M, Ohsaka Y, Yogosawa S, Satomi Y, Jinno K. Carotenoids in cancer chemoprevention.Cancer Metastasis Rev. 2002;21(3-4):257-64.Czeczuga-Semeniuk E, Wolczynski S.Identification of carotenoids in ovarian tissue in women.Oncol Rep. 2005 Nov;14(5):1385-92.