Hydrogen peroxide

Zirconium tetrachloride (AR) and 1,4-benzoquinone (97%) was obtained from Guangdong Wong Jiang Chemical Reagent Co., Ltd. 2-Aminoterephthalic acid (AR) and vanadium(v) oxide (AR) was gotten from Zhengzhou Alfa Chemical Co., Ltd. Molybdenum trioxide (99.5%) was purchased from Shanghai Macklin Biochemical Co., Ltd. Phosphoric acid (AR), 30% hydrogen peroxide and N,N-dimethylformamide (AR) were obtained from Tianjin Kemiou Chemical Reagent Co., Ltd. The other chemicals were commercially obtained and used without further purification.

Ethanol, sodium carbonate (Na₂CO₃), Disodium hydrogenorthophosphate, sodium dihydrogen phosphate, 30% hydrogen peroxide, Vit C, catechol, 2-methoxyphenol, β-mercaptoEthanol, polyvinylpyrrolidone (PVPP), glycerol, tris-base, hydrochloric acid, and magnesium chloride (MgCl₂) were obtained from Tianjin Kemiou Chemical Reagent Co., Ltd. (Tianjin, China). Folin–Ciocalteu reagent, potassium persulfate, leupeptin, phenylmethylsulfonyl fluoride, boracic acid, borax, and l-phenylalanine were purchased from Beijing Solarbio Science and Technology CO., Ltd. (Beijing, China). Gallic acid, hydroxybenzoic acid, chlorogenic acid, caffeic acid, sinapic acid, ferulic acid, rutin, cinnamic acid, catechin, and quercetin, were obtained from Shanghai Yuanye Biochemical Co., Ltd. (Shanghai, China). 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2-Azinobis-3-ethylbenzthiazoline-6-sulphonate (ABTS) and adenosine triphosphate were obtained from Shanghai Aladdin Biochemical Co., Ltd. (Shanghai, China). Methyl jasmonate and mEthanol were obtained from Sigma Chemical Co. (St. Louis, MO, USA). MEthanol was reagent of HPLC-grade. The other chemical reagents were of reagent grade.