Vol. 35 (4) December 2023 – Journal of Oil Palm Research

REVIEW ARTICLE
Vol. 35 (4) December 2023, p. 543-554

A REVIEW OF NON-DESTRUCTIVE RIPENESS CLASSIFICATION TECHNIQUES FOR OIL PALM FRESH FRUIT BUNCHES

MOHAMED YASSER MOHAMED AHMED MANSOUR¹; KATRINA D. DAMBUL¹* and CHOO KAN YEEP¹
DOI: https://doi.org/10.21894/jopr.2022.0063 | Published Online: 28 September 2022
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REVIEW ARTICLE
Vol. 35 (4) December 2023, p. 555-581

PROSPECTS AND STATE-OF-THE-ART IN PRODUCTION OF BIO-BASED SUCCINIC ACID FROM OIL PALM TRUNK

NURUL ADELA BUKHARI¹*; SOH KHEANG LOH ¹; ABDULLAH AMRU INDERA LUTHFI²; ABU BAKAR NASRIN¹ and PEER MOHAMED ABDUL²
DOI: https://doi.org/10.21894/jopr.2023.0003 | Published Online: 31 January 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 582-595

PHENOTYPIC VARIABILITY OF Elaeis oleifera GERMPLASM REVEALED BY PRINCIPAL COMPONENT AND CLUSTER ANALYSES

ZULKIFLI YAAKUB¹*; MARHALIL MARJUNI¹; SUZANA MUSTAFFA¹; WAN NOR SALMIAH TUN MOHD SALIM¹; FATIN MOHD NASIR¹; NORZIHA ABDULLAH¹; MOHD DIN AMIRUDDIN¹; RAJANAIDU NOOKIAH²; AHMAD KUSHAIRI DIN³ and MEILINA ONG-ABDULLAH¹
DOI: https://doi.org/10.21894/jopr.2022.0054 | Published Online: 6 September 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 596-606

METABARCODING IN DIET ASSESSMENT OF ADULT PARASITOID SPECIES, Dolichogenidea metesae (HYMENOPTERA: BRACONIDAE) TOWARDS ITS CONSERVATION AND MANAGEMENT IN THE OIL PALM PLANTATION

FUAT SALBI^1,2; AQILAH SAKINAH BADRULISHAM¹; NUR AZURA ADAM²; IZFA RIZA HAZMI¹ and SALMAH YAAKOP¹*
DOI: https://doi.org/10.21894/jopr.2022.0070 | Published Online: 7 November 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 607-615

DYNAMICS OF SUCROSE PHOSPHATE SYNTHASE AND FRUCTOSE BISPHOSPHATE SYNTHASE IN OIL PALMS FERTILISED WITH LOW NITROGEN [(NH₂)₂CO] DOSE WITH NPPTNBPT COATING IN RED-YELLOW PODZOLIC SOIL

EKA TARWACA SUSILA PUTRA¹*; BENITO HERU PURWANTO²; EKO HANUDIN² and TAUFAN ALAM¹
DOI: https://doi.org/10.21894/jopr.2022.0074 | Published Online: 21 November 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 616-625

GEOSTATISTICAL ASSESSMENT OF HEAVY METALS AND NUTRIENTS AVAILABILITY IN SOIL OF OIL PALM PLANTATION AFFECTED BY BAUXITE MINING

MAZIDAH ZULKIFLI¹; NUR SHUHADA MUHAMAD TAJUDIN¹*; MOHD FUAD MISKON²; FIKRIAH FAUDZI² and NURUL MAYZAITUL AZWA JAMALUDIN³
DOI: https://doi.org/10.21894/jopr.2022.0079 | Published Online: 22 December 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 626-638

MOLECULAR SCREENING OF BASAL STEM ROT RESISTANCE GENES IN OIL PALM

MOHD AMIN AB-HALIM¹; ROZANA ROSLI¹; ENG TI LESLIE LOW¹*; ZETI-AZURA MOHAMED-HUSSEIN² and RAJINDER SINGH¹
DOI: https://doi.org/10.21894/jopr.2022.0078 | Published Online: 22 December 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 639-652

THERMAL ANALYSIS AND NON-ISOTHERMAL THERMOGRAVIMETRIC KINETICS ANALYSIS USING COATS-REDFERN METHOD OF A TORREFIED EMPTY FRUIT BUNCHES

MOHAMAD AZRI SUKIRAN¹*; PETER ADENIYI ALABA²; ABU BAKAR NASRIN¹; ASTIMAR ABDUL AZIZ¹ and SOH KHEANG LOH¹
DOI: https://doi.org/10.21894/jopr.2023.0011 | Published Online: 9 March 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 653-667

STRUCTURAL DESIGN OF A PASSIVE WEARABLE EXOSKELETON TO ASSIST OIL PALM HARVESTING OPERATION

MUHAMMAD FUAD MOHAMAD¹ ; SHARENCE NAI SOWAT^1,2; HAZLINA SELAMAT³ ; AIZREENA AZAMAN⁴ and HAZREEN H. HARITH^1,2*
DOI: https://doi.org/10.21894/jopr.2022.0075 | Published Online: 1 December 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 668-681

OPTIMISATION OF FAME PRODUCTION FROM WASTE COOKING PALM OIL WITH KOH CATALYST SUPPORTED ON PALM KERNEL SHELLS ASH (PKSA) USING RESPONSE SURFACE METHODOLOGY (RSM)

HUSSANAI SUKKATHANYAWAT<sup1 and KITTISAK WICHIANWAT<sup1*
DOI: https://doi.org/10.21894/jopr.2023.0005 | Published Online: 8 February 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 682-693

ECONOMICAL STUDY OF BIO-BASED POLYBUTYLENE SUCCINATE PRODUCTION FROM OIL PALM BIOMASS

ROHANI ARPA¹; ABDULLAH AMRU INDERA LUTHFI^1,2*; NURUL ADELA BUKHARI³; JIAN PING TAN⁴; SAFA SENAN MAHMOD² and MUHAMMAD ZULHAZIMAN MAT SALLEH^1,2
DOI: https://doi.org/10.21894/jopr.2023.0001 | Published Online: 18 January 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 694-712

CHARACTERISTICS OF SUNFLOWER WAX, CARNAUBA WAX AND BEESWAX IN PALM SUPEROLEIN BLENDED OIL

NORAZURA AILA MOHD HASSIM¹*; SIVARUBY KANAGARATNAM¹; SAW MEI HUEY¹; NUR HAQIM ISMAIL¹; RAFIDAH ABD. HAMID¹; MUHAMMAD HANIF MISKANDAR¹ and NOOR-SOFFALINA SOFIAN-SENG²
DOI: https://doi.org/10.21894/jopr.2022.0055 | Published Online: 6 September 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 713-724

LINEAR KINETICS MODELLING AND THERMODYNAMICS STUDY OF SUPERCRITICAL CO₂-DERIVED OIL EXTRACTS FROM PALM FRUIT MESOCARP

USMAN BELLO¹; NURUL AINI AMRAN^1,2*; SHAFIRAH SAMSURI^1,2 and MUHAMMAD SYAFIQ HAZWAN RUSLAN³
DOI: https://doi.org/10.21894/jopr.2023.0020 | Published Online: 3 May 2023
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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

SENG SOI HOONG¹*; MOHD ZAN ARNIZA¹; NEK MAT DIN NIK SITI MARIAM¹; ABU HASSAN NOOR ARMYLISAS¹; SOOK WAH TANG¹; TUAN ISMAIL TUAN NOOR MAZNEE¹ and SHOOT KIAN YEONG¹
DOI: https://doi.org/10.21894/jopr.2022.0064 | Published Online: 3 October 2022
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SHORT COMMUNICATION
Vol. 35 (4) December 2023, p. 738-746

CHEMICAL PROFILING OF PALM OIL AND OTHER SELECTED PLANT OILS BY PROTON NUCLEAR MAGNETIC RESONANCE COMBINED WITH CHEMOMETRICS

NOOR IDAYU TAHIR¹*; ASIAH NABIHAN ISHAK²; TEH SOEK SIN¹; ABRIZAH OTHMAN¹ and UMI SALAMAH RAMLI¹
DOI: https://doi.org/10.21894/jopr.2023.0021 | Published Online: 18 May 2023
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Category: Vol. 35 (4) December 2023

(15 Articles)