coumarin, benzoic acid, sorbic acid, adulterants, clostridium botulinum, nitrofuran, dioxane, benzoates, heptachlor, phenolphthalein, pepsin, saponin, thymol, chloramphenicol, cyclamate, parathion, zinc sulphate, sorbate, papain, glucoside, eugenol, furan, hydrocyanic acid, listeria monocytogenes, linalool, monosodium glutamate, peroxidase, simazine, biphenyl, butylated, chicory root, isopropyl, sodium phosphate, acaricide, escherichia coli, methyl chloride, cyanides, isobutyl, propanol, oxalic acid, geraniol, organochlorine, asafoetida, aflatoxin, endrin, propyl, mirex, sulfonic acid, ferrous sulphate, propionic acid, sulfoxide, chlorpyrifos, prussic acid, gingerol, carvacrol, zinc sulfate, enterobacteriaceae, pyridoxal, trichloroethane, potassium bicarbonate, toxaphene, clostridium perfringens, bromate, plasticiser, cresol, aglycone, hyoscine, isothiocyanate, oxalates, flavonol, h. pylori, pueraria, griseofulvin, potassium permanganate, cetyl, glycoside, saxitoxin, arabinose, aldrin, glutamic acid, calcium nitrate, linoleic, hexane, diethyl, methylamine, ethyl acetate, thiourea, amygdalin, butanone, ammonium chloride, amylose, metaldehyde, bonemeal, oxidizing agent, propionate, benzophenone, androsterone, glycyrrhiza glabra, bacterial toxin, brassica juncea, hexyl, chloropicrin