Article Carboxylic Ester Hydrolases Chemical inhibitors Citrus sinensis Docking analysis Enzyme Inhibitors Lactose Lactoside derivatives Pectin methylesterase butyl(methyl beta dextro lactosid)uronate carboxylesterase chemistry controlled study drug effect drug structure drug synthesis enzyme activity enzyme inhibition enzyme inhibitor enzymology esterification fungus in vitro study lactose lactose derivative methyl beta dextro lactoside methyl(methyl beta dextro lactosid)uronate molecular docking nonhuman pectinesterase