(a) Purple carrots (Daucus carota L. sp. Sativus var. atrorubens.)
were purchased from the local market in Giza governorate,
Egypt. Refined sunflower oil without adding antioxidants was
obtained from Safola Saiem Company, 10th of Ramadan,
Egypt. Carmine (red color, C.I. 75470) was obtained from
Aldrich Chemical Company, USA.