Article
Engineering, Environmental
Libertus Darus, Susana Susana, Halasan Sihombing, Amaliyah Rohsari Indah Utami, Maizirwan Mel
Summary: Utilizing PS pretreatment effectively removes lignin and hemicellulose from OPEFB, increasing cellulose content and enhancing enzymatic digestibility, providing a potential pathway towards economically feasible bioethanol production.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Agricultural Engineering
Lucky Risanto, Deddy Triyono Nugroho Adi, Triyani Fajriutami, Hiroshi Teramura, Widya Fatriasari, Euis Hermiati, Prihardi Kahar, Akihiko Kondo, Chiaki Ogino
Summary: Lignocellulose requires pretreatment before hydrolytic enzymes can release fermentable sugars. Sulfuric acid, commonly used for biomass pretreatment, often leads to high levels of degradation products. The study found that pretreatment with maleic acid resulted in the highest release of xylose and glucose among other organic acids. Optimized conditions for maleic acid pretreatment were also identified. The findings suggest that maleic acid could be a viable substitute for sulfuric acid in biomass pretreatment.
BIORESOURCE TECHNOLOGY
(2023)
Article
Energy & Fuels
Pei Ling Tang, Wai Lun Hong, Chen Son Yue, Shuhaida Harun
Summary: This study investigates the use of palm oil mill effluent (POME) as a solvent to extract lignin and phenolics from oil palm empty fruit bunch fiber (OPEFBF). Results show that POME containing 5% w/w NaOH is the best solvent, producing the highest yield of lignin and phenolics. The chemical oxygen demand (COD) of the solvent increases after treatment but decreases significantly after lignin precipitation.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Environmental Sciences
Euis Hermiati, Dwi Ajias Pramasari, Riksfardini Annisa Ermawar, Dewi Sondari, Adetya Lianawati, Yanni Sudiyani, Indri Badria Adilina
Summary: This study evaluates the microwave pretreatment of sugarcane trash and oil palm empty fruit bunch to produce reducing sugars using Al-2(SO4)(3) as the catalyst. The effects of the pretreatment on biomass characteristics are discussed. Microwave heating combined with the catalyst improved the total reducing sugar yield, while using oxalic acid yielded different results for the two biomasses.
WASTE AND BIOMASS VALORIZATION
(2023)
Article
Materials Science, Paper & Wood
Nursia Hassan, Tan Li Wen, Amirah Khairina Khairil Anwar, Ani Idris
Summary: The research showed that using ferric chloride ionic solution to pretreat oil palm empty fruit bunch with microwave irradiation can significantly increase the total reducing sugar yield. The optimal pretreatment conditions were found to be 10 minutes, 100 degrees Celsius, and 10% ferric chloride concentration. This pretreatment method is a promising alternative to replace other pretreatment methods.
Article
Energy & Fuels
Sumiati Simanullang, Riksfardini Annisa Ermawar, Deded Sarip Nawawi, Euis Hermiati
Summary: This study aims to determine the optimum conditions of OPEFB pretreatment by using microwaves and aluminum salt catalysts for the production of reducing sugars that could be further fermented to bioethanol. Adding aluminum salt catalysts during microwave heating improves the results of biomass pretreatment. The optimum conditions were determined by optimizing temperature, heating time, and catalyst amount.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Biotechnology & Applied Microbiology
Kinanthi Mondylaksita, Jorge A. Ferreira, Wiratni Budhijanto, Claes Niklasson, Mohammad J. Taherzadeh, Ria Millati
Summary: The study demonstrates that high yields of volatile fatty acids can be obtained through fermentation of oil palm empty fruit bunch pretreatment products under conditions that inhibit methanogenesis, especially in a medium containing a mixture of glucan-rich and hemicellulosic compounds-rich fractions.
FERMENTATION-BASEL
(2021)
Article
Agricultural Engineering
Supawadee Polprasert, Ornjira Choopakar, Panagiotis Elefsiniotis
Summary: The study showed that using alkaline waste glycerol as a solvent during pretreatment resulted in optimum hydrolysis with a mean fermentable sugar concentration of 51.5 +/- 4.1 g/L, which was over 50% higher than that of using distilled water. Additionally, fermentation using a S. cerevisiae monoculture was more effective than that of an equivalent coculture.
BIOMASS & BIOENERGY
(2021)
Article
Green & Sustainable Science & Technology
Mohd Faizal Hasan, Muhammad Syaraffi Omar, Mohamad Azri Sukiran, Bemgba Bevan Nyakuma, Mohd Farid Muhamad Said
Summary: This study investigates the effects of torrefaction on the physical and physicochemical properties as well as thermal stability of fibrous empty fruit bunch (EFB). The results show that the torrefaction temperature is a dominant parameter, and an increase in temperature improves the characteristics of EFB, especially at a temperature of 300 degrees C. Additionally, significant changes in the EFB's surface, microstructure, crystallographic structure, and functional groups were observed during torrefaction.
Article
Agricultural Engineering
Moushmi S. Chakraborty, Arvind M. Lali
Summary: This study utilized a two-step acid-alkali treatment to extract lignin from empty palm fruit bunch and break it down into monomers, achieving an 80% conversion rate. Through fractionation, 37% of the overall lignin was obtained as monomeric compounds.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Biotechnology & Applied Microbiology
Hironaga Akita, Mohd Zulkhairi Mohd Yusoff, Shinji Fujimoto
Summary: The study focused on preparing hydrolysate from OPEFB through hydrothermal treatment, with hemicellulose yield decreasing from 153 mg/g-OPEFB to 27.5 mg/g-OPEFB as the temperature increased from 180 to 200 degrees C. The highest glucose yield was obtained from the enzyme-treated solid phase after hydrothermal treatment at 200 degrees C.
FERMENTATION-BASEL
(2021)
Article
Materials Science, Paper & Wood
Shuhaida Harun, Aqilah Mohd Tajuddin, Azuan Abdul Latif, Safa Senan Mahmod, Mohd Shaiful Sajab, Masturah Markom, Jamaliah Md Jahim
Summary: The study aimed to investigate the pretreatment efficiency of oil palm empty fruit bunches (EFB) using two different types of deep eutectic solvent (DES) mixtures. The results showed that pretreating EFB with DES-I solvent at optimal conditions increased the structural carbohydrate content and enzymatic hydrolysis efficiency. This indicated that DES-I solvent was more effective than DES-G for EFB pretreatment.
Article
Thermodynamics
Amnani Shamjuddin, Nurul Suhada Ab Rasid, Makam Mba Michele Raissa, Muhammad Anif Abu Zarin, Wan Nor Nadyaini Wan Omar, Ardiyansyah Syahrom, Mohd Al Fatihhi Mohd Szali Januddi, Nor Aishah Saidina Amin
Summary: Pre-treatment is crucial in enhancing cellulose accessibility from lignocellulosic biomass like empty fruit bunch. Ozonolysis pre-treatment is a green alternative for isolating cellulose from EFB. A diffusion-reaction model of EFB ozonolysis in a novel reactor was developed, showing larger biomass particles consume more ozone and have faster delignification rates. Computational simulations revealed that larger particles have lower ozone velocity but higher surface concentration.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Biotechnology & Applied Microbiology
Benyathip Yimlamai, Wanna Choorit, Yusuf Chisti, Poonsuk Prasertsan
Summary: This study successfully recovered cellulose from oil palm empty fruit bunch fibers and converted it into water-soluble CMC. Through a two-step process, 91.5% of lignin in the original EFB fibers was removed. The prepared CMC had a degree of substitution of 0.16 and a water solubility of 6.8 g L-1 at 30 degrees C.
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
(2021)
Article
Agricultural Engineering
Denghao Ouyang, Tongxin Liu, Abdul Aziz Astimar, Soek Sin Teh, Jalil Nursyairah, Dehua Liu, Xuebing Zhao
Summary: A novel process for simultaneous production of furfural and pretreatment of oil palm empty fruit bunch (EFB) was developed. Mass transfer analysis suggested that internal diffusion could be neglected, while heating stage could not be neglected due to significant solubilization of xylan. Steam intermittent discharging strategy was developed to increase furfural yield. The pretreated solids showed good enzymatic digestibility, and high glucose yield was obtained. Non-isothermal effects on polysaccharide hydrolysis and pentose decomposition should be considered for an efficient process design.
BIORESOURCE TECHNOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Nur Afifah Mohd Fauziee, Lee Sin Chang, Wan Aida Wan Mustapha, Adibi Rahiman Md Nor, Seng Joe Lim
Summary: This study extracted functional polysaccharides from Malaysian brown seaweeds and evaluated their properties, showing variations in carbohydrate content and bioactive components among different types of seaweeds.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Food Science & Technology
Mohd Nazri Zayapor, Aminah Abdullah, Wan Aida Wan Mustapha
Summary: The study evaluated 22 spices and herbs used in Asian traditional beverages for their antioxidant level, antidiabetic potential, and the risk of coumarin toxicity. It found that black myrobalan is an indispensable functional ingredient, while cassia and ambrette seeds may pose a risk of coumarin toxicity. The pattern recognition methods of PCA and HCA visualized the complex relationship between antioxidant-antidiabetic properties and each spice/herb ingredient, aiding in future ingredient selection.
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION
(2021)
Article
Construction & Building Technology
H. M. C. C. Somarathna, S. N. Raman, D. Mohotti, A. A. Mutalib, K. H. Badri
Summary: The study found that the application of bio-based polyurethane coating synthesized from palm kernel oil can effectively enhance the dynamic mechanical response of concrete specimens. Increasing the coating thickness on the impact face or rear face of the concrete specimens can further improve the dynamic resistance of the concrete element, while maintaining the ultimate flexural strength.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Food Science & Technology
Mohd Nazri Zayapor, Aminah Abdullah, Wan Aida Wan Mustapha
Summary: This study aimed to evaluate the influence of sugar concentration and its types on the polyphenol content and antioxidant activities. The results did not show any specific trends, while reducing sugar by less than 25% in such products may be considered for developing lower-calorie beverages.
ITALIAN JOURNAL OF FOOD SCIENCE
(2021)
Review
Food Science & Technology
Ain Nadiah Sofiah Ahmad Khorairi, Noor-Soffalina Sofian-Seng, Rizafizah Othaman, Hafeedza Abdul Rahman, Noorul Syuhada Mohd Razali, Seng Joe Lim, Wan Aida Wan Mustapha
Summary: Agro-industrial waste, rich in lignocellulosic materials and bioactive compounds, is often poorly regulated and discarded in uncontrolled practices, causing adverse effects on the ecosystem and economy. Researchers have conducted extensive studies to recover usable compounds from these wastes, particularly cellulose and nanocellulose, which have shown potential in various applications.
FOOD REVIEWS INTERNATIONAL
(2023)
Article
Multidisciplinary Sciences
Wan Najiyah Hanun Wan Nasir, Nurul Najiha Ain Ibrahim, Woon Kuo Hao, Azliana Abu Bakar Sajak, Noor-Soffalina Sofian-Seng, Wan Aida Wan Mustapha, Hafeedza Abdul Rahman
Summary: The study found that freeze drying with a 50:50 ethanol:water ratio produced C. aeruginosa leaf extract with the highest phenolic content, antioxidant activity, and anti-hyperglycemic activity. This indicates the potential of C. aeruginosa leaf as a natural antioxidant source due to the presence of phenolic compounds.
Article
Multidisciplinary Sciences
Norhelaliah Isa, Noor-Soffalina Sofian-Seng, Wan Aida Wan Mustapha
Summary: The study investigated the nutrient composition and lipid content in mango seed waste, with SBJr found to have higher lipid content than SBJs. Fatty acid composition and slip melting point comparisons suggest that both SBJr and SBJs have the potential to be a better alternative to commercial cocoa butter.
Article
Food Science & Technology
Seng Joe Lim, Lee Sin Chang, Shazrul Fazry, Wan Aida Wan Mustapha, Abdul Salam Babji
Summary: This paper reviews research on three main resources in Malaysia - seaweeds, edible bird's nest, and tropical fruit vinegars - focusing on the extraction and development of functional food and ingredients through innovative methods. The studies have yielded significant findings that have been translated into products and technology commercialisation.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Mohd Sukor Su'ait, Puteri Intan Zulaikha S. Y. E. D. Mahadzir, Khairiah Haji Badri, Azizan Ahmad
Summary: This study investigated the synthesis and properties of bio-based polyurethane (PU) films using palm kernel oil-based polyols (PKO-p). The results showed that the NCO/OH ratio had an impact on the infrared spectroscopic, molecular weight distribution, thermal behavior, and impedance spectroscopic properties of the PU films. Higher content of PKO-p resulted in lower crosslinking and poor physical properties. This study demonstrated the promising physicochemical properties of PKO-p-based PU films for polymer electrolyte application.
MATERIALS SCIENCE-MEDZIAGOTYRA
(2022)
Article
Multidisciplinary Sciences
Loo Yuet Ying, Lim Hui Ying, Noor-Soffalina Sofian-Seng, Wan Aida Wan Mustapha, Noorul Syuhada Mohd Razali
Summary: A comparative study on the physicochemical and microbiological qualities of Bombyx mori silkworm powder from larvae and pupae showed that pupae powder had higher lightness and yellowness values, as well as higher water activity and solubility. Pupae powder contained higher protein and moisture, but lower fat, ash, fiber, and total calorie content compared to larvae powder. Pupae powder also had higher amino acid and polyunsaturated fatty acid composition. Both powders were a good source of iron and rich in magnesium and zinc. Pupae powder had lower yeast and mold count. These findings suggest that silkworm powder from different developmental stages may provide beneficial health effects due to its protein, minerals, fatty acids, and amino acids content.
Article
Polymer Science
Muhammad Abdurrahman Munir, Khairiah Haji Badri, Lee Yook Heng, Ahlam Inayatullah, Hamid Alkhair Badrul, Emelda Emelda, Eliza Dwinta, Nurul Kusumawardani, Ari Susiana Wulandari, Veriani Aprilia, Rachmad Bagas Yahya Supriyono
Summary: In this study, a freestanding bio-based polyurethane film with screen-printed electrode (SPE) was successfully prepared using solution casting technique. The synthesized bio-based polyurethane showed strong adhesion on the SPE surface and improved electrocatalytic properties. Characterization methods confirmed the structure and properties of the polyurethane film.
INTERNATIONAL JOURNAL OF POLYMER SCIENCE
(2022)
Review
Food Science & Technology
Nur Akmal Solehah Din, Ain Sajda Mohd Alayudin, Noor-Soffalina Sofian-Seng, Hafeedza Abdul Rahman, Noorul Syuhada Mohd Razali, Seng Joe Lim, Wan Aida Wan Mustapha
Summary: This article reviews the availability and biosynthesis of fucoxanthin in brown seaweed, as well as its mechanisms. The research findings suggest that fucoxanthin possesses various beneficial bioactivities such as antioxidant, anti-inflammatory, and anti-obesity effects. Moreover, the potential of fucoxanthin as a functional food ingredient is discussed to promote its wider application.
Article
Food Science & Technology
Xiaoyan Yu, Haoxin Li, Aida Wan Mustapha Wan, Tingyuan Ren, Zunguo Lei, Jia Liu
Summary: This study prepared curcumin-loaded octenylsuccinate fish scale gelatin (OFSG) and found that the loading of curcumin into OFSG was influenced by the exposure of interior hydrophobic groups in FSG and increased intermolecular hydrophobic area. The interaction between OFSG and curcumin resulted in decreased absorption and increased crystallinity. Additionally, OFSG exhibited smaller particle size, lower PDI, and lower zeta-potential compared to FSG, as well as higher stability and lower curcumin release.
Review
Integrative & Complementary Medicine
Nurul Najiha Ain Ibrahim, Wan Aida Wan Mustapha, Noor-Soffalina Sofian-Seng, Seng Joe Lim, Noorul Syuhada Mohd Razali, Arnida Hani Teh, Hafeedza Abdul Rahman, Ahmed Mediani
Summary: Plants like black turmeric are rich in nutrients and biochemical compounds that have beneficial effects on human health. Black turmeric has been used in traditional medicine for its antioxidant, antimicrobial, and anti-inflammatory properties. The diverse chemical composition of this plant can be utilized in the development of drugs, functional food ingredients, and food products. This review summarizes the current research on the activities and potential health benefits of black turmeric.
EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE
(2023)
Article
Polymer Science
Haoxin Li, Renrun Tang, Wan Aida Wan Mustapha, Jia Liu, K. M. Faridul Hasan, Xin Li, Mingzheng Huang
Summary: The study demonstrates that gelatin coating is an effective method to prolong the shelf life of pork and improve its sensory attributes. The addition of ginger essential oil to the gelatin coating enhances the preservation effect.
