Caracterización y estabilidad de antocianinas de higo, variedad Mission

mission variety bluish-black fig (ficus carica) anthocyanins were extracted from freeze dried fig skin with acidified methanol, hydrolysed with hcl and purified using a c-18 sep-pak？ cartridge. the monomeric anthocyanin content, determined by the ph-differential method, was 162 mg (100 g of skin tissue (cianidin-glucoside basis))-1. cyanidin was separated and identified by hplc as the only anthocyanin present in the bluish-black fig. it was confirmed that the greatest stability of anthocyanins extracted from mission figs was that at a ph of 3.0, at 4 °c and in darkness, and it remained during 14 days.