LCGC North America Application Note Alert Having trouble viewing this email? Click here Quantification of Steviol Glycosides in Stevia Samples with RP-HPLC This work describes the fast and robust method for determination of six steviol glycosides. It is suitable for a fast quality control of stevia products. Easy and Fast Isolation of Rosmarinic Acid from Lemon Balm with Mass-Directed Purification Preparative reversed-phase chromatography was used for the mass-directed purification of rosmarinic acid from a lemon balm extract. LC-FLD Analysis of 4 PAHs in Olive Oil Samples Uusing AZURA® GPC Clean-Up System This method was used to identify and quantify Benzo(a)pyrene and four Polycyclic Aromatic Hydrocarbons in olive oil according to Commission Regulation (EU) No 835/2011. Determination of Sugars and Natural Sugar Substitutes in Different Matrices A method to identify the most commonly used sugars and natural sugar substitutes in one run is described. Solid samples like chewing gum or tooth paste don’t require much effort. Semi Preparative Xylitol Purification with a Dedicated Sugar Purification System The purification of xylose, obtained from a microbial xylose conversion fermentation mash with an AZURA® purification system using a polymer-based column and refractive index detection.