Sterols and triterpene diols in olive oil as indicators of variety and degree of ripening

► The aim: sterols and triterp, diols as indicators of variety and ripening in olive oil. ► GC-FID data were processed by MANOVA, PCA and SLDA. ► Sterols and triterp. diols can be indicators of variety regardless ripening degree. ► Sterols and triterp. diols can be indicators of ripening degree regardless variety. ► The majority of indicators are stable after a 12-month storage.