Vol. 33 (4) December 2021 – Journal of Oil Palm Research

REVIEW ARTICLE
Vol. 33 (4) December 2021, p. 565-576

BREEDING Virescens OIL PALM

VENGETA RAO* and CHANG, K C**
DOI: https://doi.org/10.21894/jopr.2020.0098 | Published Online: 12 November 2020
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SHORT COMMUNICATION
Vol. 33 (4) December 2021, p. 732-738

IS THERE A SUSTAINABLE FUTURE FOR WILDLIFE IN OIL PALM PLANTATIONS IN MALAYSIA?

JAYASILAN MOHD-AZLAN* and LISA LOK*
DOI: https://doi.org/10.21894/jopr.2020.0104 | Published Online: 23 November 2020
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 724-731

STABILITY AND PERFORMANCE OF PALMBASED TRANSPARENT SOAP WITH OIL PALM LEAVES EXTRACT

NORASHIKIN AHMAD*; ZAFARIZAL ALDRIN AZIZUL HASAN* and SITI HAJAR BILAL*
DOI: https://doi.org/10.21894/jopr.2021.0024 | Published Online: 19 May 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 713-723

DOES PALM MID FRACTION AFFECT ADULT SATIETY?

VOON, P T*; TOH, S W H**; NG, T K W‡; LEE, V K M**; YONG, X S**; YAP, S Y* and NESARETNAM, K‡‡
DOI: https://doi.org/10.21894/jopr.2021.0020 | Published Online: 4 May 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 703-712

RED PALM OIL IN LAYING DUCKS DIETS: EFFECTS ON PRODUCTIVE PERFORMANCE, EGG QUALITY, CONCENTRATIONS OF YOLK CAROTENOIDS

YIFEI LU*; SHUNAN DONG**; HAITENG ZHOU*; LIGANG YANG*; ZHAODAN WANG*; DA PAN*; XIAN YANG*; HUI XIA*; GUIJU SUN* and SHAOKANG WANG*
DOI: https://doi.org/10.21894/jopr.2021.0005 | Published Online: 23 February 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 689-702

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

SIVARUBY KANAGARATNAM*; TENG KIM TIU*; NUR HAQIM ISMAIL*; NORAZURA AILA MOHD HASSIM*; WAN ROSNANI AWG ISA* and NOOR LIDA HABI MAT DIAN*
DOI: https://doi.org/10.21894/jopr.2021.0006 | Published Online: 23 February 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 678-688

THE EFFECT OF MICROWAVE TREATMENT AND DELAYED HARVESTING ON OIL PALM FRUITLETS (Elaeis guineensis) OIL QUALITY

NU’MAN ABDUL HADI*; NG MEI HAN*; RUSNANI ABD MAJID* and CHE RAHMAT CHE MAT*
DOI: https://doi.org/10.21894/jopr.2021.0015 | Published Online: 20 April 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 668-677

OPTIMISATION OF ALKALI EXTRACTION OF PALM KERNEL CAKE PROTEIN

FATAH YAH ABD MANAF* and NOOR LIDA HABI MAT DIAN*
DOI: https://doi.org/10.21894/jopr.2021.0011 | Published Online: 1 April 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 653-667

THE EFFECT OF SATURATED AND UNSATURATED FATTY ACID COMPOSITION IN BIO-BASED LUBRICANT TO THE TRIBOLOGICAL PERFORMANCES USING FOUR-BALL TRIBOTESTER

ZULHANAFI, P*; SYAHRULLAIL, S*; ABDUL HAMID, M K* and CHONG W W F*
DOI: https://doi.org/10.21894/jopr.2021.0010 | Published Online: 16 March 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 643-652

EFFECT OF OPERATING TEMPERATURE ON PHYSICOCHEMICAL PROPERTIES OF EMPTY FRUIT BUNCH CELLULOSE-DERIVED BIOCHAR

STASHA ELEANOR ROSLAND ABEL*,^‡ ; SOH KHEANG LOH*; NOORSHAMSIANA ABDUL WAHAB*; ONDREJ MASEK**; MUSA IDRIS TANIMU^‡ and ROBERT THOMAS BACHMANN^‡
DOI: https://doi.org/10.21894/jopr.2021.0007 | Published Online: 23 February 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 620-642

MAPPING THE NITROGEN STATUS ON IMMATURE OIL PALM AREA IN MALAYSIAN OIL PALM PLANTATION WITH AUTOPILOT TRACTOR-MOUNTED ACTIVE LIGHT SENSOR

ROHAIDA MOHAMMAD*; DARIUS EL PEBRIAN*; MOHAMMAD ANAS AZMI* and EZRIN MOHD HUSIN**
DOI: https://doi.org/10.21894/jopr.2021.0012 | Published Online: 7 April 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 617-628

BIRD SPECIES RICHNESS, ABUNDANCE AND THEIR FEEDING GUILD ACROSS OIL PALMS DEVELOPMENT THROUGH MIST-NETTING METHOD IN BETONG, SARAWAK

AMIT, B*; TUEN, A A** and KHO, L K*
DOI: https://doi.org/10.21894/jopr.2021.0017 | Published Online: 27 April 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 607-616

EVALUATION OF MITOCHONDRIAL DNA ISOLATION METHODS FOR OIL PALM (Elaeis guineensis) LEAF

AZIMI NURAZIYAN*; SIEW-ENG OOI* and MEILINA ONG-ABDULLAH*
DOI: https://doi.org/10.21894/jopr.2021.0009 | Published Online: 16 March 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 588-606

A COMPARATIVE STUDY OF BACTERIAL COMMUNITIES DETERMINED BY CULTUREDEPENDENT AND-INDEPENDENT APPROACHES IN OIL PALM PLANTED ON TROPICAL PEATLAND

AYOB, ZAHIDAH* and KUSAI, NOR AZIZAH*
DOI: https://doi.org/10.21894/jopr.2021.0008 | Published Online: 26 February 2021
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RESEARCH ARTICLE
Vol. 33 (4) December 2021, p. 577-587

GENETIC TRANSFORMATION OF OIL PALMBASED ON SELECTION WITH HYGROMYCIN

BAHARIAH, B*; RASID, O A*; RAHMAH, A R S*; PARVEEZ, G K A* and MASANI, M Y A*
DOI: https://doi.org/10.21894/jopr.2020.0111 | Published Online: 9 December 2020
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Category: Vol. 33 (4) December 2021

(15 Articles)