Determination of aloe emodin in Aloe vera extracts and commercial formulations by HPLC with tandem UV absorption and fluorescence detection

► Tandem HPLC-UV and HPLC-F for the analysis of aloe emodin. ► Quality control of extracts and commercial formulations from Aloe vera. ► Completely validated method according to international guidelines. ► Reliable, accurate results without the need for expensive instrumentation, complicated procedures.