11. Many natural isothiocyanates from plants are produced by enzymatic conversion of metabolites called glucosinolates. 12. The results on the genotoxic effects of the isothiocyanates and glucosinolate precursors are conflicting. 13. :Allyl isothiocyanate is a potent lachrymatory agent. 14. The secret ingredients are something called isothiocyanates , which inhibit an enzyme that forms plaque. 15. B ) allyl isothiocyanate can be dangerous. 16. It triggered a reaction that formed methyl isothiocyanate , or MITC, in the filter. 17. These natural isothiocyanates , such as allyl isothiocyanate, are also known as mustard oils. 18. These natural isothiocyanates, such as allyl isothiocyanate , are also known as mustard oils. 19. "' Methyl isothiocyanate "'is the organosulfur compound with the lachrymator. 20. Aprotinin can be labelled with fluorescein isothiocyanate .