Aluminum chloride

Adenine, aluminum chloride, potassium hydroxide, sodium nitrate, and Folin–Ciocalteu reagent were purchased from Carl-Roth (Germany). 2, 2-Diphenyl-1-picrylhydrazyl (DPPH), (2′, 2′-azobis (2-methylpropionamidine) dihydrochloride) (AAPH), gallic acid, quercetin, ascorbic acid, Tris, hydrogen peroxide, trichloroacetic acid, ferric chloride, and hydrogen chloride were purchased from Sigma–Aldrich (Germany). Captopril was purchased from Denk Pharma GmbH and Co., KG (Germany). Thiobarbituric acid was from Fluka. Sodium chloride and potassium chloride were purchased from BDH Chemicals Ltd. (England). Creatinine, urea, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) kits were purchased at SGM Italia (Roma). Sodium thiopental was from Samarth Life Sciences Pvt Ltd. (Mumbai).

Acetone, Hydrochloric acid (37%), Folin–Ciocâlteu reagent, methanol and ethanol were purchased from Merck (Darmstadt, Germany). 2,2-diphenyl-1-(2,4,6-trinitro-phenyl) hydrazine (DPPH), 2,5,7,8-tetramethylchromane-2-carboxylic acid (Trolox) (97%), ferric chloride, sodium carbonate, 2,4,6-Tris(2-pyridyl)-S-triazine (TPTZ) (≥99%), dimethyl sulfoxide (DMSO) (≥99%), 3,4-Dihydroxy-L-phenylalanine (L-DOPA) (≥98%), 6-hydroxy-diammonium 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) (>98%), mushroom tyrosinase, phosphate buffer, and kojic acid were purchased from Sigma (Sigma Aldrich Chemie GmbH, Schnelldorf, Germany). Aluminum chloride (≥98%) was acquired from Carl Roth (Karlsruhe, Germany). Water was of Milli-Q-quality. All solvents were of LC grade and all reagents were of analytical grade.

Hexamethylenetetramine (≥99%), lactic acid (≥98%) and aluminum chloride (98%) were obtained from Carl Roth Gmbh & Co Kg (Karlsruhe, Germany). 2,2-diphenyl-1-picrylhydrazyl (DPPH) (99%), chlorogenic acid (≥95%), ferulic acid (≥99%), salicylic acid (≥99%), methanol (≥99.9%), hesperidin (≥90%), benzoic acid (≥97%), myricetin (≥96%), rutin (95%), naringenin (≥95%), coumarin (≥99%), caffeic acid (≥98%), vanillic acid (≥97%), gallic acid (≥98%), ellagic acid (≥97%), and syringic acid (≥97%), of analytical grade were obtained from Sigma-Aldrich Corp (Taufkirchen, Germany). Folin-Ciocalteu reagent, trifluoracetic acid (99%) and acetonitrile (≥99.8%) were supplied by Merck KGAA (Darmstadt, Germany). MRS with Tween 80 broth was obtained from Biolife Italiana S. r. l. (Milan, Italy). Coumaric acid and luteolin were obtained from: Chromadex, Inc. (Los Angeles, CA, USA). Sodium carbonate and acetic acid (99.9%) were bought from Reachem S.r. o. (Bratislava, Slovakia). Bidistilled water was prepared by means of distillation apparatus Thermo Fisher Scientific, Inc. (Fremont, CA, USA).