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A REVIEW ON MALAYSIAN SUSTAINABLE PALM OIL CERTIFICATION PROCESS AMONG INDEPENDENT OIL PALM SMALLHOLDERS
DOI:https://doi.org/10.21894/jopr.2020.0056
Published online: 10 September 2020

Vol. 33 (1)  March 2021 p.  171-180
Author(s): PARTHIBAN KANNAN*; NUR HANANI MANSOR*; NAZIRA KHABIBOR RAHMAN*; TAN SAY PENG* and SITI MARIAM MAZLAN**
 

LIFE CYCLE ASSESSMENT OF PALM OIL CLINKER AS A BINDER AND AGGREGATE REPLACEMENT IN CONCRETE
DOI:https://doi.org/10.21894/jopr.2020.0081
Published online: 7 October 2020

Vol. 33 (1)  March 2021 p.  151-170
Author(s): SAZNIZAM SAZMEE SINOH*; ZAINAH IBRAHIM* and FARIDAH OTHMAN*
 

LIFE CYCLE ASSESSMENT FOR THE PRODUCTION OF PALM BIODIESEL
DOI:https://doi.org/10.21894/jopr.2020.0080
Published online: 7 October 2020

Vol. 33 (1)  March 2021 p.  140-150
Author(s): CHEE LIANG YUNG*,**, VIJAYA SUBRAMANIAM* and SUMIANI YUSOFF‡
 

FRYING OIL QUALITY IN FAST FOOD RESTAURANTS IN EAST COAST MALAYSIA: A PRELIMINARY SURVEY
DOI:https://doi.org/10.21894/jopr.2020.0071
Published online: 22 September 2020

Vol. 33 (1)  March 2021 p.  129-139
Author(s): NUR HAQIM ISMAIL*; AZMIL HAIZAM AHMAD TARMIZI*; NORAZURA AILA MOHD HASSIM*; SIVARUBY KANAGARATNAM* and NOOR LIDA HABI MAT DIAN*
 

PALM TOCOTRIENOLS CAUSE CLEAVAGE OF POLY-(ADP)-RIBOSE POLYMERASE ENZYME AND DOWN-REGULATION OF CYCLOOXYGENASE-2 PROTEIN LEVEL IN HUMAN BREAST CANCER CELLS
DOI:https://doi.org/10.21894/jopr.2020.0082
Published online: 7 October 2020

Vol. 33 (1)  March 2021 p.  119-128
Author(s): RADHIKA LOGANATHAN*; KANGA RANI SELVADURAY*; KALANITHI NESARETNAM*; AMMU KUTTY RADHAKRISHNAN**,‡
 

POST-TREATMENT OF PALM OIL MILL EFFLUENT USING ZEOLITE AND WASTEWATER
DOI:https://doi.org/10.21894/jopr.2020.0077
Published online: 5 October 2020

Vol. 33 (1)  March 2021 p.  103-118
Author(s): HOSSEIN FARRAJI*,‡; REZA MOHAMMADPOUR*,** and NASTAEIN QAMARUZ ZAMAN*
 

EXTRACTION AND PURIFICATION OF PHYTOSTEROLS MIXTURE FROM PALM FATTY ACID DISTILLATE (PFAD) USING MULTISTAGE EXTRACTION PROCESSES
DOI:https://doi.org/10.21894/jopr.2020.0067
Published online: 22 September 2020

Vol. 33 (1)  March 2021 p.  93-102
Author(s): NOR FAIZAH JALANI*; NOORSHAMSIANA ABDUL WAHAB*; WAN HASAMUDIN WAN HASSAN*; KAMARUDIN HASSAN*; NAHRUL HAYAWIN ZAINAL* and MOHAMAD FAIZAL IBRAHIM**
 

USING TERRAIN ALGORITHMS ON A DIGITAL ELEVATION MODEL TO EVALUATE YIELD VARIABILITY IN OIL PALM
DOI:https://doi.org/10.21894/jopr.2020.0092
Published online: 27 October 2020

Vol. 33 (1)  March 2021 p.  84-92
Author(s): ALBERTO MARTINEZ*; JAMES J CAMBERATO*; PHILLIP OWENS** and JENETTE ASHTEKAR*
 

EFFECT OF CATALYSTS ON THE YIELD AND PROPERTIES OF LIGNIN FROM MICROWAVEASSISTED ACETOSOLV EXTRACTION OF OIL PALM EMPTY FRUIT BUNCH FIBRES
DOI:https://doi.org/10.21894/jopr.2020.0076
Published online: 5 October 2020

Vol. 33 (1)  March 2021 p.  74-83
Author(s): MUHAMMAD NOR ARIFIN YAAKOB*, RASIDI ROSLAN*, NURJANNAH SALIM*, SITI NOOR HIDAYAH MUSTAPHA*, SARANI ZAKARIA**, CHIN-HUA CHIA** and MOHD SHAIFUL SAJAB***
 

PERFORMANCE EVALUATION OF A MOTORISED PALM OIL EXTRACTOR WITH QUALITY ASSESSMENT OF THE PALM OIL EXTRACTED IN COMPARISON WITH A MANUAL VERTICAL PRESS
DOI:https://doi.org/10.21894/jopr.2020.0096
Published online: 3 November 2020

Vol. 33 (1)  March 2021 p.  64-73
Author(s): NICHOLAS KIGGUNDU* and JOSEPH JJAGWE*
 

HERBICIDE EFFECTS ON Ganoderma boninense INFECTION IN OIL PALM SEEDLINGS
DOI:https://doi.org/10.21894/jopr.2020.0070
Published online: 22 September 2020

Vol. 33 (1)  March 2021 p.  56-63
Author(s): SITI HAZLINA HUSSIN*; IDRIS ABU SEMAN**; MOHD HEFNI RUSLI**; MAIZATUL SURIZA MOHAMED** and ZAITON SAPAK*,#
 

ESTIMATING THE YIELD LOSS OF OIL PALM DUE TO Ganoderma BASAL STEM ROT DISEASE BY USING BAYESIAN MODEL AVERAGING
DOI:https://doi.org/10.21894/jopr.2020.0061
Published online: 11 September 2020

Vol. 33 (1)  March 2021 p.  46-55
Author(s): ASSIS KAMU*; CHONG KHIM PHIN**; IDRIS ABU SEMAN‡; DARMESAH GABDA* and HO CHONG MUN*
 

ECONOMIC INJURY LEVEL OF OIL PALM BUNCH MOTH, Tirathaba mundella WALKER FOR PEST MANAGEMENT RECOMMENDATIONS IN OIL PALM PRODUCTION
DOI:https://doi.org/10.21894/jopr.2020.0090
Published online: 22 October 2020

Vol. 33 (1)  March 2021 p.  37-45
Author(s): SU CHONG MING*; PATRICIA KING JIE HUNG*; KWAN YEE MING*; ZAKRY FITRI AB AZIZ* and ONG KIAN HUAT*
 

POPULATION DENSITY OF Elaeidobius kamerunicus Faust IN DIFFERENT SPIKELET POSITION AT ANTHESISING MALE INFLORESCENCE OF Elaeis guineensis Jacq. IN SABAH AND SARAWAK, MALAYSIA
DOI:https://doi.org/10.21894/jopr.2020.0075
Published online: 8 October 2020

Vol. 33 (1)  March 2021 p.  21-36
Author(s): SAHARUL ABILLAH MOHAMAD*,**; MUHAMMAD NURUL YAQIN SYARIF*; SITI NURULHIDAYAH AHMAD*; MOHAMED MAZMIRA MOHD MASRI*; KING JIE HUNG** and NORMAN KAMARUDIN*
 

A RAPID AND EFFICIENT DNA EXTRACTION PROTOCOL FOR Ganoderma zonatum, A BASAL AND UPPER STEM ROT PATHOGEN OF OIL PALM IN MALAYSIA
DOI:https://doi.org/10.21894/jopr.2020.0058
Published online: 11 September 2020

Vol. 33 (1)  March 2021 p.  12-20
Author(s): JAYANTHI NAGAPPAN*; FAIZUN KADRI*; CHIN CHIEW FOAN**; RICHARD M COOPER‡‡; SEAN T MAY‡; IDRIS ABU SEMAN* and ENG TI LESLIE LOW*
 

MECHANISING OIL PALM LOOSE FRUITS COLLECTION – A REVIEW
DOI:https://doi.org/10.21894/jopr.2020.0069
Published online: 22 September 2020

Vol. 33 (1)  March 2021 p.  1-11
Author(s): MOHD RAMDHAN KHALID*; ABD RAHIM SHUIB* and NORMAN KAMARUDIN
 

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