Fast Blue BB (FBBB) [4-benzoylamino-2,5-dimethoxybenzenediazonium chloride hemi-(zinc chloride) (Rebello et al., 2016 (link)), bile extract porcine, pancreatin from porcine pancreas, pepsin from porcine gastric mucosa, α-amylase from human saliva, 2,2′-azinobis 3-ethylbenzothiazoline-6-sulfonic acid (ABTS), 2,2′-diazobis-(2-aminodinopropane)-dihydrochloride (AAPH), fluorescein, 2,2-diphenyl-1-picrylhydrazyl (DPPH) were purchased from Sigma-Aldrich, Co. (St. Louis, MO, United States). Standards of chlorogenic acid, 2-coumaric acid, 2,4-dihydroxybenzoic acid, 4-hydroxybenzoic acid, vanillic acid, and vanillin were provided by Extrasynthese (Lyon, Genay Cedex, France). Standards of 6-hydroxy-2,5,7, 8-tetramethyl-2-carboxylic acid (Trolox), gallic acid, caffeic acid, ferulic acid, vitexin, D-(+)-glucose, D-(+)-galactose, D-(+)-xylose, D-(–)-arabinose, and stachyose were acquired from Sigma-Aldrich, Co. (St. Louis, MO, United States). Standards of 33-α-L-plus 23-α-L-arabinofuranosyl-xylotetraose (XA3XX/XA2XX), 23,33-di-α-L-arabinofuranosyl-xylotriose (A2, 3XX), and xylotriose were obtained from Megazyme (Wicklow, Ireland). Raffinose and cellobiose standards were supplied by Merck (Darmstadt, Germany).
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