E-number

Từ điển Oxford Advanced Learner 8th

ˈE-number [E-number E-numbers] BrE NAmE noun (BrE)
a number beginning with the letter E that is printed on packs and containers to show what artificial flavours and colours have been added to food and drink; an artificial flavour, colour, etc. added to food and drink
•This sauce is full of E-numbers.