01265nam a22001817a 4500 D0001J000333 DOH 20210325163013.0 210325b ||||| |||| 00| 0 eng d Screening for ephedrine in some herbal food supplements using thin layer chromatography / Evangeline P. Pagsanhan, Ma. Fe C. Goyena Some herbal food supplements have been reported to have "energized" its users, the same way as alkaloids like ephedrine, a sympathomimetic agent, exerts its physiological effects. Twenty eight (28) herbal food supplements were analyzed for the presence of ephedrine using a two-step method, the general color reaction test for alkaloids and thin layer chromatography. Three (3) samples, representing 10.7 % of the total number of samples analyzed, were found positive for ephedrine. This result is significant because ephedrine is a regulated substance which should not be present in any form unless it is declared in the label and approved by the regulating authority.(Author) BFAD Laboratory Information Bulletin, 1997 3 (1) pages 8-11 Ephedrine Dietary Supplements analysis Pagsanhan, Evangeline P. Goyena, Ma. Fe C. JA 3784 3784 0 0 nlm 0 0 DOHCL DOHCL ElectronicRes 2021-03-25 0 J000333 D0001J000333 2021-03-25 00:00:00 2021-03-25 JA