Thapakorn Suraamornkul, Philipda Suthipibul and Pumnat Chuenchomrat 2026. COMPARISON OF GC-MS INTRODUCING TECHNIQUES FOR 2-PHENYLETHANOL DETECTION FROM YEAST: Received: 23rd March 2026, Revised: 23rd April 2026, 24th April 2026, Accepted: 11th May 2026, Date of Publication: 14th May 2026. MATTER: International Journal of Science and Technology. 12, (May 2026), 23–36. DOI:https://doi.org/10.20319/mijst.2026.12.2336.