“…Flavonoids are a diverse class of polyphenolic phytochemicals found in various vegetables and fruits, and provide color, aroma, flavor, and nutritional and health benefits (Karakaya, Sedef, 1999). Many flavonoids extracted from plants have been reported to show various biological effects, including anticancer, antioxidant, antibacterial, anti-inflammatory, and antidepressant effects (Ahmed, Khan, Saeed, 2015;Xie et al, 2014;Kulbacka et al, 2016;Yao et al, 2014;Keshari et al, 2016). Apigenin (5,7,4´-trihydroxyflavonoid; Figure 1), a bioflavonoid widely found in citrus fruits, has been found to exert a variety of pharmacological effects, Page 2 / 10 including antibacterial, anticancer, and antiproliferative effects (Banerjee et al, 2015;Liu et al, 2013;Eumkeb, Chukrathok, 2013;Choi et al, 2010;Turktekin et al, 2011;Ruivo et al, 2015).…”