In the lists of literature the following codes ares used:
  • * source contains quantitative data
  • ** source is a review article or data is not used due to insufficient confirmation of the identity of the compounds

Explanation of abbreviations:

VCF Volatile Compounds in Food
OFTV Odour and Flavour Threshold Values
EINECS European INventory of Existing Commercial chemical Substances
EINECS numbers start with 2.. or 3...
See ECHA EC Inventory — online database
ELINCS European LIst of Notified Chemical Substances. In this database ELINCS numbers are treated as EINECS
ELINCS numbers start with 4...
CAS Chemical Abstracts Service registry number
FEMA Flavor and Extract Manufacturers Association. See FEMA
CoE Council of Europe
Flavis EU Flavour Information System
See EU flavouring substances — online database
FL no Flavouring number. This number is replacing outdated CoE numbers
Chem grp Chemical Group for flavouring substances. See list
GRAS Generally Recognized As Safe.
Flavouring substances are determined to be GRAS by the FEMA Expert Panel pursuant to the authority granted in Section 201(s) of the U.S. Federal Food, Drug, and Cosmetic Act, which is administered by the FDA. See The FEMA GRAS Program