OR
VCF online Volatile Compounds in Food 16.6.1 new version .

Compound flags

Compound flag meaning

In order to facilitate faster access to underlying data, flags indicate the presence of specific types of information. The meaning of these flags is:

P Occurrences are present in food products, qualitative data
Q Occurrences are present in food products, quantitative data
E Equivalent names (synonyms) of the compound name are present
S Structure image of compound is present
R Kovats Retention Index data are present
O Odour values of compound are present
T Threshold (Flavour, Odour) data are present