6Almeida J R M, D'Amico E, Preuss A. 2007. Characterization of major enzymes and genes involved in flavonoid and proanthocyanidin biosynthesis during fruit development in strawberry ( Fragaria × ananassa). Archives of Biochemistry and Biophysics, 465 : 61 - 71.
7Bridle P, Garcia-Viguera C. 1997. Analysis of anthocyaninsin strawberries and elderberries. A comparison of capillaryzone electrophoresis and HPLC. Food Chemistry, 59:299 -304.
8Faust M. 1973. Effect of growth regulators on firmness and red color of fruit. Acta Horticulture, 34:407 -420.
9Goiffon J P, Mouly P P, Gaydou E M. 1999. Anthoeyanic pigment determination in red fruit juices, concentrated juices and syrups using liquid chromatography. Analytical Chimica Acta, 382 : 39 - 50.
10Halbwirth H, Puhl I, Haas U, Jezik K, Treutter D, Stich K. 2006. Two-phase flavonoid formation in developing strawberry fruit. Journal of Agriculture and Food Chemistry, 54:1479 -1485.
