ANALYSIS OF SECONDARY METABOLITES PROFILE OF LEMPUYANG GAJAH (Zingiber zerumbet Smith) ETHANOL EXTRACT USING GAS CHROMATOGRAPHY MASS SPECTROSCOPY WITH DERIVATIZATION Analisis Profil Metabolit Sekunder Ekstrak Etanol Lempuyang Gajah (Zingiber zerumbet Smit - Hanwar, Dedi; Dedi Hanwar, Mutia Sari Dewi, Andi Suhendi, Ika Trisharyanti D.K. Fakultas Farmasi, Universitas Muhammadiyah Surakarta e-mail: dedi.hanwar@ums.ac.id (Badan Penelitian dan Pengembangan Kesehatan, 2014)