2 2 diphenyl 1 2 4 6 trinitrophenyl hydrazyl dpph

Folin-ciocalteau’s reagent, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (abts), nicotinamide adenine dinucleotide (NADH), ascorbic acid, ethylenediaminetetraacetic acid (EDTA), α-glucosidase, and hydrogen peroxide solution were purchased from Sigma-Aldrich (St. Louis, MO, USA). Ferric chloride (FeCl₃) and p-nitro-phenyl-α-d-glucopyranoside (p-NPG) were supplied by Alfa Aesar (Lancashire, UK). Potassium peroxodisulfate, sodium carbonate, potassium dihydrogenphosphate, and disodium hydrogenphosphate were purchased from the SHOWA Chemical Co. Ltd. (Chuo-ku, Japan). Loroglucinol, 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl (DPPH), phenazine methosulphate (PMS), 2-thiobarbituric acid (TBA), nitroblue tetrazolium (NBT), and deoxyribose were obtained from Tokyo Chemical Industry Co., Ltd. (Tokyo, Japan). Butyl hydroxytoluene (BHT), nicotinamide adenine dinucleotide (NADH), and trichloroacetic acid (TCA) were purchased from Acros Organics (Geel, Belgium).

Folin–Ciocalteau reagent, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), ascorbic acid, ethylenediaminetetraacetic acid (EDTA), α-glucosidase, acetylcholinesterase (AChE), acetylcholine iodide (AchI), 5,5′-dithiobis(2-nitrobenzoic acid) (DTNB), 2,4,6-Tris(2-pyridyl)-s-triazine (TPTZ), and Trolox were purchased from Sigma-Aldrich (St. Louis, MO, USA). Galanthamine and quercetin were purchased from MedChemExpress (Monmouth Junction, NJ, USA). p-Nitro-phenyl-α-D-glucopyranoside (p-NPG), aluminum chloride (AlCl₃), and iron (III) chloride were purchased from Alfa Aesar (Lancashire, UK). Sodium carbonate, potassium peroxodisulfate, potassium dihydrogenphosphate, and disodium hydrogenphosphate were supplied by SHOWA Chemical Co., Ltd. (Chuo-ku, Japan). Loroglucinol, 2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl (DPPH), phenazine methosulphate (PMS), nitroblue tetrazolium (NBT), and deoxyribose were purchased from Tokyo Chemical Industry Co., Ltd. (Tokyo, Japan). Butyl hydroxytoluene (BHT), nicotinamide adenine dinucleotide (NADH), sodium acetate, and potassium acetate were obtained from Acros Organics (Geel, Belgium). Acetic acid was purchased from Macron Fine Chemicals (Center Valley, PA, USA).