While working on The Whole30 book edits for our UK publisher, I began researching E numbers that would rule a product out on the Whole30. (Boy, your labeling isn't anywhere near as easy to translate with all these codes!) I thought you might find these helpful.
Note, I can't say for certain these are 100% of the E numbers to avoid. These are just the ones I researched with respect to specific off-plan ingredients. Feel free to post your own resources, or to request that I add to this list with other additives you discover in your own research.
Here is a list of E numbers you'd want to avoid on the Whole30, as these codes refer to either carrageenan, sulfites, or MSG:
Can you 'close' the kitchen at certain times in the day? That way at least you'll know that when you go back next time that the eggs will still be there... It should also knock any snacking habit on the head because everyone only gets to eat at meal times... Just a thought.