Chronological Evidence

Regulatory History: Cyclamate

Tracking global safety evaluations, classification changes, and regional status updates for E952.

Total Events
9
Documented

Factual Regulatory Reference

This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.

Comprehensive Timeline

discovered
DuPont Laboratories USA

Cyclamate discovered accidentally by graduate student Michael Sveda at University of Illinois.

approved
FDA USA

FDA approved cyclamate as GRAS (Generally Recognized As Safe) sweetener.

safety concern
FDA USA

Studies suggested that cyclamate combined with saccharin may cause bladder cancer in laboratory rats.

banned
FDA USA

FDA banned cyclamate in the USA under Delaney Clause due to cancer concerns in animal studies.

evaluated
JECFA International

JECFA established ADI of 0-11 mg/kg bw/day, concluded cyclamate is safe at this level.

approved
European Commission EU

Cyclamate approved as E952 in the EU with maximum use levels specified.

reviewed
EFSA EU

Scientific Committee on Food re-evaluated cyclamate, confirmed ADI of 7 mg/kg bw/day (lower than JECFA).

re-evaluated
EFSA EU

EFSA re-evaluated cyclamate and cyclamic acid (E952), maintained previous safety conclusions and ADI.

status unchanged
FDA USA

Cyclamate remains banned in USA despite multiple petitions for re-approval and approval in many other countries.