E number
Noun
Meaning
Any of a range of European abbreviations for food additives used on labels.
The E number E100 represents turmeric.
(Britain, Ireland, informal) Any such additive, often regarded as undesirable.
Source: en.wiktionary.orgExamples
It is edible, in the sense of having similar negligible toxicity to plant waxes, and is approved for food use in the European Union under the E number E901.
Within the European Union it is denoted by E number E330.