Complex sentence: Moreover, certain ingredients must be identified by a specific name, such as preservatives must be identified as "Preservatives", and then identified by its standardised European serial number, e.g. sodium nitrate or E250.
Split into simpler sentences: Moreover, certain ingredients must be identified by a specify name. Such as all Preservatives must be identified as "Preservatives", and then identified by its standardised European serial number, e.g. sodium nitrate or E250.