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Safety evaluation of certain food additives - ipcs inchem

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MISCELLANEOUS NITROGEN-CONTAINING SUBSTANCES (addendum) 551<br />

Table 1. Summary <strong>of</strong> the results <strong>of</strong> safety <strong>evaluation</strong>s <strong>of</strong> miscellaneous nitrogen-containing substances used as flavouring<br />

agentsa,b,c Conclusion based<br />

on current<br />

estimated intake<br />

Comments<br />

on predicted<br />

metabolism<br />

Step B4<br />

Adequate margin <strong>of</strong> safety for<br />

the flavouring agent or related substance?<br />

No. CAS No. and structure Step B3d Does intake exceed<br />

the threshold for<br />

human intake?<br />

Flavouring<br />

agent<br />

See note 1 No safety concern<br />

Yes. The NOELe <strong>of</strong> 12 mg/kg bw per day<br />

for the related substance allyl<br />

isothiocyanate (No. 1560) (National<br />

Toxicology Program, 1982) is 24 million<br />

times the estimated daily intake <strong>of</strong> methyl<br />

isothiocyanate when used as a flavouring<br />

agent.<br />

No<br />

Europe: ND<br />

USA: ND<br />

Japan: 0.03<br />

Structural class II<br />

Methyl 1884 556-61-6<br />

isothiocyanate<br />

N<br />

C<br />

S<br />

See note 1 No safety concern<br />

Yes. The NOELe <strong>of</strong> 12 mg/kg bw per day<br />

for the related substance allyl<br />

isothiocyanate (No. 1560) (National<br />

Toxicology Program, 1982) is 24 million<br />

times the estimated daily intake <strong>of</strong> ethyl<br />

isothiocyanate when used as a flavouring<br />

agent.<br />

No<br />

Europe: ND<br />

USA: ND<br />

Japan: 0.03<br />

1885 542-85-8<br />

Ethyl<br />

isothiocyanate<br />

N C S<br />

See note 1 No safety concern<br />

Yes. The NOELe <strong>of</strong> 12 mg/kg bw per day<br />

for the related substance allyl<br />

isothiocyanate (No. 1560) (National<br />

Toxicology Program, 1982) is 240 000<br />

times the estimated daily intake <strong>of</strong> isobutyl<br />

isothiocyanate when used as a flavouring<br />

agent.<br />

No<br />

Europe: ND<br />

USA: ND<br />

Japan: 3<br />

1886 591-82-2<br />

Isobutyl<br />

isothiocyanate<br />

N C S

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