extraction – Journal of Oil Palm Research

ARTICLE IN PRESS

NITROGEN CONCENTRATION, ACCUMULATION, EXPORTATION AND EFFICIENCY IN OIL PALM (Elaeis guineensis Jacq.) GROWN ON OXISOLS OF THE AMAZON

ISMAEL DE JESUS MATOS VIÉGAS¹; JESSIVALDO RODRIGES GALVÃO²*; SONIA MARIA BOTELHO ARAÚJO³; MILTON GARCIA COSTA⁴; ALESSANDRA MARIE OHASHI²; MÁRIO DAVI COUTINHO DOS SANTOS²; ODETE KARINY SOUZA SANTOS² and BRUNO KLEIDSON DA SILVA MAIA⁴
DOI: https://doi.org/10.21894/jopr.2025.0043 | Published Online: 20 August 2025
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RESEARCH ARTICLE
Vol. 36 (1) March 2024, p. p. 115-127

CONSOLIDATION OF DEEP EUTECTIC SOLVENTS WITH MICROWAVE FOR THE EXTRACTION OF FERULIC ACID FROM THE FRUITLETS OF OIL PALM

NG MEI HAN¹* and NU’MAN ABD. HADI¹
DOI: https://doi.org/10.21894/jopr.2023.0022 | Published Online: 18 May 2023
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RESEARCH ARTICLE
Vol. 33 (2) June 2021, p. 320-326

METHANOLIC EXTRACTION OF FREE FERULIC ACID FROM OIL PALM

NG MEI HAN*
DOI: https://doi.org/10.21894/jopr.2020.0097 | Published Online: 6 November 2020
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RESEARCH ARTICLE
Vol. 11 No. 2, December 1999, p. 57-62

METHOD FOR THE DETERMINATION OF PARAQUAT RESIDUE IN OIL MATRIX

KUNTOM, A*; KIFLI, H*; TAN, Y A*
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RESEARCH ARTICLE
Vol. 33 (1) March 2021, p. 64-73

PERFORMANCE EVALUATION OF A MOTORISED PALM OIL EXTRACTOR WITH QUALITY ASSESSMENT OF THE PALM OIL EXTRACTED IN COMPARISON WITH A MANUAL VERTICAL PRESS

NICHOLAS KIGGUNDU* and JOSEPH JJAGWE*
DOI: https://doi.org/10.21894/jopr.2020.0096 | Published Online: 4 November 2020
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RESEARCH ARTICLE
Vol. 2 No. 1 1990 June, p. 167-171

SUPERCRITICAL CARBON DIOXIDE EXTRACTION OF α-TOCOPHEROL FROM PALM LEAFLETS

AB GAPOR Md Top* ++ ; FUJIMOTO Kenshiro*; SHISHIKURA Akihiro*; KANEDA Takashi**; ARAI Kunio+; SAITO Shozaburo+
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