Description
What it is. Indigotine (E 132) is a synthetic colouring substance used as a feed additive. It belongs to the sensory additives category, functioning as a dye without nutritional value.
What it is for. It is used to modify or standardise the colour of feed, with authorisation registered for ornamental fish. It would generally be used in diets where visual appearance of the feed or of the fed animal is a relevant commercial criterion. Use should follow the authorised species and conditions set out in the EU register entry.
Points to watch. Use is restricted to the authorised species listed in the EU register (ornamental fish); authorisation runs until 01/05/2027. No inclusion levels or maximum contents are specified in the available sources, so no dosage should be assumed; refer to the official entry for conditions of use and labelling.
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