“…Numerous studies have reported that caseins and their products could be used as natural vehicles for drugs, such as ibuprofen, theophylline, phenytoin, and flutamide (Elzoghby, Helmy, Samy, & Elgindy, 2013;Latha, Rathinam, Mohanan, & Jayakrishnan, 1995;Millar & Corrigan, 1993;Watanabe, Hanawa, Sugihara, & Yamamoto, 1994). Moreover, they were suggested to improve the solubility and bioavailability of hydrophobic bioactives, such as curcumin and vitamin D 2 , as well as used to protect probiotic bacteria against gastric digestion (Heidebach, Forst, & Kulozik, 2009;Menéndez-Aguirre et al, 2011;Nag, Han, & Singh, 2011;Pan, Zhong, & Baek, 2013).…”