The Determination of Benzoic Acid in Lemon Flavored Beverages by Stir Bar Sorptive Extraction-CGC-MS

Stir bar sorptive extraction-liquid deso

Stir bar sorptive extraction-liquid desorption applied to the analysis of hop-derived bitter acids in beer by micellar electrokinetic chromatography

✍ André De Villiers; Gerd Vanhoenacker; Fréderic Lynen; Pat Sandra 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 122 KB 👁 1 views

## Abstract Stir bar sorptive extraction‐liquid desorption (SBSE‐LD) has been applied as an efficient sample preparation method for the analysis of beer bitter acids. Extracts free of almost all interfering compounds were obtained, allowing simultaneous analysis of iso‐α‐acids and reduced iso‐α‐aci