*3.2. Chemicals*

Biodiagnostic kits were purchased from Biodiagnostic Co. (Dokki, Giza, Egypt) for measurement of AST, ALT, urea, uric acid, creatinine, total cholesterol, HDL, LDL, MDA, leptin, insulin, glucose, α-amylase, BChe, and CAT levels. The enzyme α-glucosidase was purchased from Oriental Yeast Co. (Tokyo, Japan), while HEPES for making buffer solution was purchased from EMD Millipore Corp (Billerica, MA USA). Phenolic standards, i.e., luteolin, apigenin, phloretin, and phloridzin, and 5-fluorouracil as reference cytotoxic drug were purchased from Wako Pure Chemical Industries (Osaka, Japan). Orly as a reference anti-obese drug for in vivo experiment was obtained from Eva Pharma, Egypt. Acarbose as a reference antidiabetic for in vitro experiments was purchased from Wako Pure Chemical Industries (Tokyo, Japan).
