ARTICLE IN PRESS

SEASONAL VARIATION IN THE NUTRITIONAL PROFILE OF OIL PALM (Elaeis guineensis) POLLEN AND ITS RELEVANCE TO BEE COLONY SUSTAINABILITY


DOI: https://doi.org/10.21894/jopr.2026.0025  |   Published Online: 5 June 2026
FULL TEXT  |  DOWNLOAD PDF
ARTICLE IN PRESS

VEGFIL: VALIDATION EXPERIMENTS FOR A YOLO-BASED VEGETATION FILTERING SYSTEM OF AUTONOMOUS ROVER NAVIGATION IN OIL PALM PLANTATION


DOI: https://doi.org/10.21894/jopr.2026.0024  |   Published Online: 26 May 2026
FULL TEXT  |  DOWNLOAD PDF
ARTICLE IN PRESS

EFFECT OF PHYTOADDITIVE MIXTURE OF Curcuma longa AND Ocimum sanctum WITH OR WITHOUT PALM OIL ON GROWTH, INTESTINAL HEALTH AND ECONOMIC PERFORMANCE OF LOW BODY CONDITION BLACK BENGAL GOATS (BBG)


DOI: https://doi.org/10.21894/jopr.2025.0048  |   Published Online: 19 September 2025
FULL TEXT  |  DOWNLOAD PDF
REVIEW ARTICLE
Vol. 37 (4) December 2025, p. 598-616

GREENING THE PALM OIL INDUSTRY: PROSPECTS AND BARRIERS OF SUPERCRITICAL CO2 EXTRACTION


DOI: https://doi.org/10.21894/jopr.2024.0038  |   Published Online: 3 July 2024
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 37 (4) December 2025, p. 646-657

MULTIDIMENSIONAL ANALYSIS SUSTAINABILITY OF CORN-SOYBEAN INTERCROPPING MODEL IN SMALLHOLDER OIL PALM REPLANTING


DOI: https://doi.org/10.21894/jopr.2024.0055  |   Published Online: 27 November 2024
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 37 (4) December 2025, p. 719-728

INSIGHT INTO FATTY ACID-AMINO ACIDS INTERACTIONS IN LIPASE ENZYME CATALYSIS OF TRANSESTERIFICATION REACTION OF PALM OIL USING DENSITY FUNCTIONAL THEORY B3LYP 6-31G(D,P)


DOI: https://doi.org/10.21894/jopr.2024.0056  |   Published Online: 27 November 2024
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 36 (4) December 2024, p. p. 708-717

DETERMINATION OF TRIACYLGLYCEROL COMPOSITION AND ITS CONTENT IN REFINED AND FRACTIONATED PALM OIL BY USING LC-MS/MS WITH MULTIPLE NEUTRAL LOSS SCAN


DOI: https://doi.org/10.21894/jopr.2023.0046  |   Published Online: 11 September 2023
FULL TEXT  |  DOWNLOAD PDF
REVIEW ARTICLE
Vol. 35 (2) June 2023, p. 193-216

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2022


DOI: https://doi.org/10.21894/jopr.2023.0028  |   Published Online: 28 June 2023
FULL TEXT  |  DOWNLOAD PDF
REVIEW ARTICLE
Vol. 35 (2) June 2023, p. 217-235

MEMBRANE TECHNOLOGIES IN THE OIL INDUSTRY AND THEIR POTENTIAL APPLICATION FOR THE RECOVERY OF PHYTONUTRIENTS FROM PALM OIL


DOI: https://doi.org/10.21894/jopr.2022.0069  |   Published Online: 26 October 2022
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 725-737

SYNTHESIS AND PHYSICOCHEMICAL PROPERTIES OF ESTOLIDE ESTER AND AMIDE MADE FROM USED COOKING OIL AS BIO-LUBRICANT


DOI: https://doi.org/10.21894/jopr.2022.0064  |   Published Online: 3 October 2022
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 668-677

MECHANICAL DESIGN ANALYSIS AND IMPROVEMENT OF ALUMINIUM ALLOY CANTAS SICKLE BLADE USING FINITE ELEMENT METHOD SIMULATION


DOI: https://doi.org/10.21894/jopr.2022.0006  |   Published Online: 28 January 2022
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 524-534

OPTIMISATION OF REACTION PARAMETERS FOR THE SYNTHESIS OF SOLKETAL LEVULINATE AS POTENTIAL BIODIESEL ADDITIVE


DOI: https://doi.org/10.21894/jopr.2021.0052  |   Published Online: 21 December 2021
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 165-194

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2018 – Review Article


DOI: https://doi.org/10.21894/jopr.2019.0026  |   Published Online: 25-Jun-19
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 689-702

CHARACTERISTICS OF RETAIL REFRIGERATED AND NON-REFRIGERATED MARGARINES/FAT SPREADS SOLD IN MALAYSIA


DOI: https://doi.org/10.21894/jopr.2021.0006  |   Published Online: 23 February 2021
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 1 No. 1 1989 June, p. 53-61

IDENTIFICATION OF VOLATILE COMPOUNDS THAT CONTRIBUTE TO THE AROMA OF FRESH PALM OIL AND OXIDIZED OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 7 No. 2, December 1995, p. 156-162

DENSITIES AND REFRACTIVE INDICES OF HYDROGENATED PALM OLEIN AND FRACTIONATED PALM OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 7 No. 2, December 1995, p. 148-155

VEGETABLE OIL IN AQUEOUS AND NONAQUEOUS MICROEMULSION SYSTEMS STABILIZED BY NONIONIC SURFACTANTS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
ELAEIS Special Issue, November 1995, p. 92-95

Preliminary Observations Of Using Palm Oil As Fuel For Cars Fitted With Elsbett Engine


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
ELAEIS Special Issue, November 1995, p. 79-91

Investigation On Palm Oil Diesel Emulsion As Fuel Extender For Diesel Engine


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
ELAEIS Special Issue, November 1995, p. 15-22

Production And Evaluation Of Palm Oil Methyl Esters As Diesel Substitute


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 8 No. 1, December 1996, p. 37-44

ULTRASONIC STUDIES OF PALM OIL AND OTHER VEGETABLE OILS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 9 No. 1, June 1997,

EFFECT OF FIRST STAGE DRY FRACTIONATION ON THE QUALITY OF CBE BASED ON PALM OIL AND SAL FAT


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 9 No. 1, June 1997,

DETERMINATION OF ANTIOXIDANTS IN PALM OIL PRODUCTS BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 9 No. 1, June 1997,

STABILITY OF EMULSIONS OF REFINED PALM OIL AND ITS LOW MELTING POINT FRACTION WITH EGG PHOSPHOLIPID


FULL TEXT  |  DOWNLOAD PDF
REVIEW ARTICLE
Vol. 33 (2) June 2021, p. 181-214

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2020 – Review Article


DOI: https://doi.org/10.21894/jopr.2021.0026  |   Published Online: 11 June 2021
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 33 (2) June 2021, p. 299-306

INVESTIGATION ON THE EFFECT OF MONOGLYCERIDE CONCENTRATION ON PALM OIL BASED ALKYD RESIN PREPARATION


DOI: https://doi.org/10.21894/jopr.2020.0086  |   Published Online: 7 October 2020
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 33 (3) September 2021, p. 514-523

PREDICTION OF ACID, PEROXIDE AND TBA VALUES OF HEAT-TREATED PALM OIL USING A PARTIAL LEAST SQUARES–ORDINARY LEAST SQUARES MODEL BASED ON FOURIERTRANSFORM INFRARED SPECTROSCOPY


DOI: https://doi.org/10.21894/jopr.2020.0106  |   Published Online: 30 November 2020
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 9 No. 2, December 1997, p. 61-68

SYNTHESIS AND CHARACTERIZATION OF THE MONOETHANOLAMIDE FROM PALM OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 9 No. 2, December 1997, p. 47-60

IDENTIFICATION OF PALM OIL AND ITS FRACTIONS BY HPLC USING TRIACYLGLYCEROL PEAK-AREA RATIOS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 12 No. 1, June 2000, p. 1-7

DIFFERENTIAL SCANNING THERMOGRAMS OF PALM OIL TRIGLYCERIDES IN THE PRESENCE OF DIGLYCERIDES


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
(Special Issue), p. 24-33

BIOCHEMICAL FACTORS THAT CONTROL OIL COMPOSITION IN THE OIL PALM


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 11 No. 1, June 1999, p. 1-10

PHYSICAL AND CHEMICAL PROPERTIES OF SHORTENINGS FROM PALM OIL: TALLOW AND PALM OLEIN: TALLOW BLENDS WITH AND WITHOUT INTERESTERIFICATION


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 22 (3) December 2010, p. 927-933

LIFE CYCLE ASSESSMENT FOR THE PRODUCTION AND USE OF PALM BIODIESEL (Part 5)


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
(Special Issue - October 2008), p. 102-114

PLANTING MATERIAL AS KEY INPUT FOR SUSTAINABLE PALM OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
(Special Issue - October 2008), p. 8-11

PALM OIL-BASED METHYL ESTER SULPHONATE AS AN OIL WELL STIMULATION AGENT


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
(Special Issue - October 2008), p. 12-15

PRODUCTIONS OF CAROTENOIDS AND TOCOLS CONCENTRATES FROM PALM OIL USING SUPERCRITICAL CARBON DIOXIDE


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
(Special Issue - July 2008), p. 69-76

QUANTITATIVE ANALYSIS OF FLUX CONTROL OVER LIPID BIOSYNTHESIS IN OIL PALM (Elaeis guineensis) MESOCARP


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 17 June 2005, p. 1-5

STUDIES TO IMPROVE THE LOW TEMPERATURE PERFORMANCE OF PALM OIL PRODUCTS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 16 No. 1, June 2004, p. 66-71

EFFECT OF TRIETHANOLAMINE ON THE PROPERTIES OF PALM-BASED FLEXIBLE POLYURETHANE FOAMS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 16 No. 2, December 2004, p. 57-63

DEGUMMING AND BLEACHING: EFFECT ON SELECTED CONSTITUENTS OF PALM OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 13 No. 1, June 2001, p. 50-55

SELECTIVITY AND KINETICS OF INTERESTERIFICATION REACTION OF GLUCOSE PENTAACETATE WITH FATTY ACID METHYL ESTERS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 23 (3) December 2011, p. 1141-1145

IMPROVED SUSTAINABLE FRACTIONATION OF PALM OIL USING POLYGLYCEROL FATTY ACID ESTERS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 23 (1) April 2011, p. 953-957

FARMED FISH AS BIOLOGICAL AGENTS FOR EXTRACTING RESIDUAL PALM OIL IN DISCARDED SPENT BLEACHING CLAYS FROM THE PALM OIL REFINING INDUSTRY


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 24 (3) December 2012, p. 1459-1472

A BIBLIOMETRIC STUDY ON THE WORLDWIDE RESEARCH PRODUCTIVITY OF SCIENTISTS IN Elaeis guineensis Jacq. AND Elaeis oleifera


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 24 (2) August 2012, p. 1404-1411

AN IMPROVED METHOD FOR THE DETERMINATION OF CHLORPHYRIFOS IN PALM OIL MATRICES USING GAS CHROMATOGRAPHY


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 24 (3) December 2012, p. 1492-1496

REDUCTION IN FREE FATTY ACIDS IN CRUDE PALM OIL BY ENZYMATIC REMEDIATION


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 24 (3) December 2012, p. 1562-1565

PALM OIL DIETS DO NOT RAISE TOTAL/HDL-CHOLESTEROL COMPARED TO A PARTIALLY HYDROGENATED VEGETABLE OIL DIET IN RATS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 25 (1) April 2013, p. 22-35

SPECIALITY OLEOCHEMICALS FROM PALM OIL VIA ENZYMATIC SYNTHESIS


FULL TEXT  |  DOWNLOAD PDF
ARTICLE IN PRESS
Vol. 30 (4) December 2018, p. 602-616

OPTIMISATION OF ENZYMATIC DIRECTED INTERESTERIFICATION OF PALM OIL FOR HIGH YIELD OF TRIUNSATURATED TRIACYLGLYCEROL USING RESPONSE SURFACE METHODOLOGY


DOI: https://doi.org/10.21894/jopr.2018.0050  |   Published Online: 19 November 2018
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 95-109

LOW-TEMPERATURE DIRECTED INTERESTERIFICATION INCREASES TRIUNSATURATED AND TRISATURATED TRIACYLGLYCEROLS OF PALM OIL AND AFFECTS ITS THERMAL, POLYMORPHIC AND MICROSTRUCTURAL PROPERTIES


DOI: https://doi.org/10.21894/jopr.2018.0046  |   Published Online: 13 February 2019
FULL TEXT  |  DOWNLOAD PDF
REVIEW ARTICLE
Vol. 32 (2) June 2020, p. 159-190

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2019


DOI: https://doi.org/10.21894/jopr.2020.0032  |   Published Online: 17 June 2020
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 6 No. 2 1994 Dec, p. 117-130

STUDIES ON THE USE OF FRACTIONS FROM PALM OIL AND PALM KERNEL OIL AS SUPPOSITORY BASE MATERIALS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 6 No. 2 1994 Dec, p. 109-116

A STUDY OF THE NATURE OF OIL RECOVERED FROM SPENT EARTH OBTAINED FROM THE PHYSICAL REFINING OF PALM OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 6 No. 1 1994 June, p. 69-74

AN ECONOMETRIC ANALYSIS OF THE INDONESIAN PALM OIL INDUSTRY


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 33 (2) June 2021, p. 227-234

A PROOF-OF-CONCEPT STUDY: DETERMINING THE GEOGRAPHICAL ORIGIN OF CRUDE PALM OIL WITH THE COMBINED USE OF GC-IMS FINGERPRINTING AND CHEMOMETRICS


DOI: https://doi.org/10.21894/jopr.2021.0013  |   Published Online: 7 April 2021
FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 4 No. 2 1992 Dec, p. 86-93

DETERMINATION OF FLAVOUR STABILITY OF BLENDED COOKING OILS AND WITH PALM OIL AND RICE BRAN OIL


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 4 No. 1 1992 June, p. 1-10

MAKING VALUE – ADDED PRODUCTS FROM PALM OIL BY 1-3 REGIOSELECTIVITY ENZYMATIC INTERESTERIFICATION


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 3 No. 1 1991 June, p. 302-310

USE OF PALM OIL AND BUTTERFAT AS SHORTENINGS FOR SHORT-DOUGH BISCUITS: SENSORY AND INSTRUMENTAL ANALYSIS


FULL TEXT  |  DOWNLOAD PDF
RESEARCH ARTICLE
Vol. 2 No. 2 1990 Dec, p. 219-227

X-RAY DIFFRACTION ANALYSIS OF PRODUCTS OBTAINED BY DRY FRACTIONATION OF PALM OIL


FULL TEXT  |  DOWNLOAD PDF