School of Bioprocess Engineering (Theses)
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Characterization of different types of spent mushroom substrate (SMS) for African catfish (Clarias Gariepinus) diet suitability
Spent Mushroom substrate (SMS) is one of agricultural wastes produced by thever expending mushroom industries in Malaysia. Chemically, it is rich in organic matter which potentially can be utilized for aquaculture. Utilization ... -
Evaluation of a novel halophilic lipase secrection by Marinobacter litoratis SW-45 for butyl esters synthesis from palm-based oils
Fatty acid esters are currently synthesized by esterification via chemical technologies involving the use of toxic mineral acids as catalysts, and requiring high energy consumption. The alternative enzyme technology which ... -
Potential applications of exposure to magnetic field in changing water properties and improving growth performance of selected aquaculture organisms
This study intends to understand the effect of magnetic field on water properties and on aquaculture organisms. Magnetic water is produced when water is passed through a magnetic field which alters the state of the ... -
The novel green extraction of essential oil for quality pharmaceutical products
Essential oils are secondary metabolites produced by aromatic plants which have various applications in the industries. The conventional method to extract essential oil from plants such as steam distillation, hydro ... -
Poly (vinylidene fluoride) (PVDF) membranes for pervaporation of butanol/water mixture: fabrication, characterization and application
The polymeric poly (vinylidene fluoride) (PVDF) membranes are in current used for a number of process applications in which one of these applications are pervaporation. In this work, PVDF membrane with controlled asymmetric ... -
Effects of water and nitrogen stresses on growth, phytochemicals and antioxidant of orthosiphon stamineus plant
Abiotic stresses particularly water stress and nutrient deficiency may elicit the biosynthesis pathway of herbal metabolites, where they are also useful to enhance the yield of herbal metabolites. Thus, this study was ... -
Effects of cobalt stearate on the properties of compatibilized low density polyethylene/ jackfruit seeds flour blends
The effect of adipic acid (AA) and citric acid (CA) on the tensile, morphological, and thermal properties of low-density polyethylene (LDPE)/ jackfruit seeds flour (JSF) was investigated. Initially, the LDPE was mixed with ... -
Antimicrobial and antioxidant activities from leaves and roots of (Elephantopus Scaber L.) extracted using different solvents
Medicinal plants are used traditionally in treatment of various kinds of diseases since time immemorial. The present study was carried out to evaluate the antimicrobial and antioxidant activities of roots and leaves of ... -
Allelopathic potential of essential oils isolated from local plants on common weeds found in Malaysian croplands
Continuous use of the synthetic herbicides to control weeds in agricultural production can have an adverse impact on the environment and the ecosystems creating safety and health concerns to the operators, consumers and ... -
Microwave drying characteristics of Mas Cotek (Ficus deltoidea) leaves and its effects on colour and antioxidant properties
Ficus deltoidea or locally known as Mas Cotek in Malaysia is one of the 10 prioritized herbs shortlisted by the government of Malaysia in its Economic Transformation Programme (ETP). The herb is rich in chemical constituents ... -
Formulation of fish feeds with high level of protein-bound methionine and lysine for African catfish (Clarias gariepinus) fingerling's growth
The high production of catfish will create demands on the fish feeds. The availability of local feedstuff ingredients in abundant can fulfill the needs of protein source in fish feeds. This research reports the new formulation ... -
Effect of rice straw fiber and Polyethylene glycol on polylactic acid/polyhydroxybutyrate-valerate blends
Biodegradable polymer is one of the alternatives that have potential to overcome serious environmental problem and depletion of crude oil. The materials that have been used in this study are polylactid acid (PLA), ... -
Evaluation of antifungal and phytochemical activity from different parts of cerbera odollam gaertn
Heavy usage of commercial fungicide in the agricultural sector has resulted in environmental pollution that has imposed a significant risk to human health. The current research intended to explore the use of plant extracts ... -
Adsorption of basic red 46 dye using sea mango (cerbera odollam) activated carbon
The limited source of raw materials for production of activated carbon has increased the price of commercial activated carbon price. Due to the presence of lignin and cellulose in sea mango make it as new potential for ... -
Induction of chlamydospores in pleurotus pulmonarius (grey oyster mushroom) as inoculum and development of lyophilized spawn
P. pulmonarius is cultivated by using spawn inoculated with mycelial cultures obtained from spore or tissue culture. However, the application of spore is prone to contamination while tissue culture application may contribute ... -
Properties and biodegradability of low density polyethylene/ thermoplastic soya spent powder blends added spear grass powder as pro-oxidant
Plastic waste is a serious environmental problem and become an enormous challenge to waste management. A high determination to produce eco-friendly polymer has led the researchers to investigate about biodegradable polymers ... -
Quality improvement of Arabic bread fortifies with omega-3 pufa and Jackfruit using superheated-steam techniques
Bread is an old nutrient that includes a large part of the food pyramid guide. Generally, fresh bread appears with brown crust, nice smell, soft, elastic and moist crumbs mouthful. In this study, control and fortified ... -
Characterization and optimization of indoor environmental quality on grey oyster (Pleurotus pulmonarius) mushroom cultivation
In view of increasing demand, mushroom cultivators are facing more challenges and difficulties to grow mushroom due to inconsistent environmental conditions. Controlling and monitoring of environmental quality in mushroom ... -
Waste seashell as calcium oxide catalyst for bio-oil production from empty fruit bunch
Oil palm waste could be converted into bio-oil through pyrolytic process due to its renewable resource to ensure continuity and capacity for renewable-energy solution. It is a great challenge to convert empty fruit bunch ... -
Preparation, characterization and degradation of linear low density polyethylene/rambutan peel flour biocomposites
Nowadays, developments of plastics from biodegradable polymers and natural filler have attracted great interests in science and research. Biodegradable polymer could allow complete degradation in soil and does not emit any ...