Maria Yuliana, Bich Thuyen Nguyen-Thi, Sitti Faika, Lien Huong Huynh, Felycia Edi Soetaredjo, Yi-Hsu Ju
Long chain phenols contained in cashew nut shell liquid have important applications. Anacardic acids and cardols are extensively used in the pharmaceutical industry, while cardanols find use in resins, coating and polymer industries. In this work, a two-step reversed-phase silica gel column chromatography was employed to purify these major phenols in cashew nut shell liquid (CNSL). 6-Pentadecyl salicylic acid (C22H36O3, 98.8% purity and 82.4% recovery), 5-pentadecyl resorcinol (C21H36O2, 99.3% purity and 80.7% recovery) and 3-pentadecyl phenol (C21H36O, 99.2% purity and 81.8% recovery) were successfully obtained and identified by 1H and 13C NMR, FTIR, mass spectrometry and elemental analysis. © 2014 Taiwan Institute of Chemical Engineers.
Department of Chemical Engineering, National Taiwan University of Science and Technology, 43, Keelung Road, Section 4, Taipei, 10607, Taiwan; Department of Chemical Engineering, Can Tho University, 3-2 Street, Can Tho City, Viet Nam; Department of Chemical Engineering, Widya Mandala Surabaya Catholic University, Kalijudan 37, Surabaya, 60114, Indonesia
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