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In organic chemistry, isothiocyanate is a functional group as found in compounds with the formula R−N=C=S. Isothiocyanates are the more common isomers of thiocyanates , which have the formula R−S−C≡N .
Sinigrin (the precursor to allyl isothiocyanate) broccoli family, brussels sprouts, black mustard. Glucotropaeolin (the precursor to benzyl isothiocyanate) Gluconasturtiin (the precursor to phenethyl isothiocyanate) Glucoraphanin (the precursor to sulforaphane) brassicas: broccoli, cauliflower, brussels sprouts, cabbages.
Allyl isothiocyanate is the pungent ingredient in fresh horseradish sauce. The distinctive pungent taste of horseradish is from the compound allyl isothiocyanate. Upon crushing the flesh of horseradish, the enzyme myrosinase is released and acts on the glucosinolates sinigrin and gluconasturtiin, which are precursors to the allyl isothiocyanate.
It is used principally as a flavoring agent in foods. Synthetic allyl isothiocyanate is used as an insecticide, as an anti-mold agent [9] bacteriocide, [10] and nematicide, and is used in certain cases for crop protection. [4] It is also used in fire alarms for the deaf. [11] [12] Hydrolysis of allyl isothiocyanate gives allylamine. [13]
6-(Methylsulfinyl)hexyl isothiocyanate (6-MITC or 6-MSITC) is a compound within the isothiocyanate group of organosulfur compounds. 6-MITC is obtained from cruciferous vegetables, chiefly wasabi. Like other isothiocyanates, it is produced when the enzyme myrosinase transforms the associated glucosinolate into 6-MITC upon cell injury.
1 List of useful microorganisms used in preparation of food and beverage. 2 See also. 3 References.
Sulforaphane (sometimes sulphoraphane in British English) is a compound within the isothiocyanate group of organosulfur compounds. [1] It is produced when the enzyme myrosinase transforms glucoraphanin, a glucosinolate, into sulforaphane upon damage to the plant (such as from chewing or chopping during food preparation), which allows the two compounds to mix and react.
The term piquancy (/ ˈ p iː k ən s i /) is sometimes applied to foods with a lower degree of pungency [4] that are "agreeably stimulating to the palate". Examples of piquant food include mustard and curry. The primary substances responsible for pungent taste are capsaicin, piperine (in peppers) and allyl isothiocyanate (in radish, mustard ...