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Aluminium lakes are pseudo-pigments formed by the precipitation of a substance such as a synthetic, water-soluble food dye with aluminium hydroxide in the form of an aluminium salt.
Lakes are almost insoluble in water and can be processed like pigments, i.e. they are easily dispersible in fatty media or dry mixtures.

They are stable at pH 4 to 6, and in general are more resistant to light and heat than the dyes from which they are obtained. Their shelf-life ranges from 24 to 36 months.

At present EU legislation allows aluminium lake colours obtained from authorised natural and synthetic dyes to be used in foods and other areas of application only if they are named explicitly in the authorisation.

Quote: “Regulation (EU) No 380/2012 of the Commission amending Annex II of the Regulation (EC) No 1333/2008 of the European Parliament and of the Council as regards the conditions of use and the use levels for aluminium-containing food additives has considerably restricted the authorisation of aluminium-containing food additives for reasons of consumer protection. A number of provisions of this Regulation became applicable on
1. February 2014.
The provisions of Regulation (EU) No 380/2012 relating to aluminium lakes of colours are applicable from
1. August 2014 onwards. Aluminium lakes may then be used pursuant to the specific provisions of the Regulation only in the production of foods in the categories listed here: 01.4, 01.7.3, 01.7.5, 03,, 05.2, 05.3, 05.4, 07.2, 08.2.1, 08.2.2, 08.2.3, 09.3, 10.1, 10.2, 12.2.2, 12.6, 14.1.4, 15.1, 16, 17.1 and 17.3.
Applications have been submitted to the European Commission for extension of the authorisation of aluminium lakes of dyes. No decisions have yet been made on these applications.”

Areas of application:
Pharmaceuticals including dragées
Food supplements including effervescent tablets
Foods including fine baked goods and confectionery
Cosmetics including decorative products and care products

Aluminium lakes of synthetic dyes

(copy 1)

Colour sample E - numberProduct nameColor Index N°Color Index namesSolubility / QualityPOWDER Standard Concentration min.%GRAN Standard Concentration %
 E 102Tartrazine Lake19140:1C.I.Pigment Yellow 1002.)3.)
 E 104Quinoline Yellow Lake47005:1C.I.Pigment Yellow 1152.)3.)
 E 110Sunset Yellow Lake15985:1C.I.Pigment Yellow 1042.)3.)
 E 122Azorubine Lake14720:12.)3.)
 E 123Amaranth Lake16185:12.)3.)
 E 124Ponceau 4R Lake16255:12.)3.)
 E 127Erythrosine Lake45430:1C.I.Pigment Red 1722.)3.)
 E 129Allura Red Lake16035:12.)3.)
 E 131Patent Blue V Lake42051:12.)3.)
 E 132Indigotine Lake73015:12.)3.)
 E 133Brilliant Blue FCF Lake42090:22.)3.)
 E 151Brilliant Black PN Lake28440:12.)3.)

The colours shown in the table are approximate.
Notes:   1.) Water soluble   2.) Dispersible   3.) Various concentrations available upon request.   4.) Available in a range of qualities.   X Details available upon request.
All the food colours offered except E120 meet kosher requirements.