
E904 is the food additive number for Shellac, a resin excreted by the female lac bug. It is used as a glaze for candy (including Jelly Belly jellybeans) as well as pills, and as a coating on citrus fruit and apples to prolong shelf-life.

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E904 is the food additive number for Shellac, a resin excreted by the female lac bug. It is used as a glaze for candy (including Jelly Belly jellybeans) as well as pills, and as a coating on citrus fruit and apples to prolong shelf-life.