(sales6 at lgberry dot com dot cn)Molecular formula: (-)-5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthoquinone Character: Brown red prism-shaped crystal Origin: It is derived from the root of Alkanna tinctoria Tausch by modern biotechnology. Purpose: 1. it can be widely used as red dye and an astringent in foodstuff and cosmetics. 2. it can bu used as an indicator: red at pH 6.8, changing to purple at pH 8.8 and blue at pH 10.0. 3. it also can be used as a fat stain. Our alkannin has been up to export standards. If interested in alkannin, please contact us via sales6 at lgberry dot com dot cn. |