1) Food coloring
Found on
https://www.crosswordclues.com/clue/alkannin
Alkannin is a natural dye that is obtained from the extracts of plants from the borage family Alkanna tinctoria that are found in the south of France. The dye is used as a food coloring and in cosmetics. It is used as a red-brown food additive in regions such as Australia, and is designated in Europe as the E number E103, but is no longer approved...
Found on
http://en.wikipedia.org/wiki/Alkannin
(-)-5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthoquinone;the major red dye derived from alkanet; used as an astringent, and in cosmetics and foods; can be used as an indicator: red at pH 6.8, changing to purple at pH 8.8 and blue at pH 10.0; also used as a fat stain. ... Synonym: anchusin. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: al′kă-nin Definitions: 1. The major red dye derived from alkanet; used as an astringent, in cosmetics, and foods; can be used as an indicator: red at pH 6.8, changing to purple at pH 8.8 and blue at pH 10; also used as a fat stain. Synonyms: anchusin
Found on
http://www.medilexicon.com/medicaldictionary.php?t=2247
a dark red, amorphous, water-insoluble powder, CHO, obtained from the root of the alkanet: used chiefly for coloring fats, oils, and pharmaceuticals.
Found on
https://www.infoplease.com/dictionary/alkannin
No exact match found.
