Browsing School of Bioprocess Engineering (Theses) by Title
Now showing items 11-30 of 40
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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), ... -
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 ... -
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 ... -
Efficacy of plant extracts to control fungal post-harvest ROT
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2014)Fungicides are widely used in conventional agriculture to control plant diseases. Prolonged usage often poses health problems as the modern society is becoming more healthconscious because of their harmful residual effects. ... -
Enzymatic assisted citronella essential oil extraction from Cymbopogan Winterianus
The essential oil of Citronella is commonly extracted via typical steam distillation of citronella plan parts. However, the oil yield is generally low (0.22% - 1.0%), causing burden to many entrepreneurs to meet the strong ... -
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 ... -
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 ... -
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 ... -
Green synthesis of silver nanoparticles using Piper Betle leaf extracts and their antimicrobial properties against isolated Phyto-pathogen model
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2017-06)Silver nanoparticles are well known as one of the promising agent especially for antibacterial activity. This project was aimed to evaluate the synthesized silver nanoparticles from Piper betle and their antimicrobial ... -
Identification of cultivated rice MR 263 seed and weedy rice seed variants using CCD camera based-machine vision system
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2015)The main purpose of this study was to develop rice seed identification research prototype system to classify cultivated rice and weedy rice seeds variants using machine vision system through the extraction of morphological, ... -
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 ... -
Mathematical modelling of mass transport in linear, shunt and concentric microdialysis probes
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2014)Microdialysis is a technique for both recovering and administering substances at a target site (which may be tissues, organs, etc.), using a small equipment termed as probe. There are many types of microdialysis probes ... -
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 ... -
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 ... -
Optimization of phosphate, nitrate, sucrose and incubation time on the production of ascorbic acid in suspended callus of Citrus Grandis (L.) Osbeck
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2010)The potential of C. grandis tissue in producing high amount of ascorbic acid has been investigated in this study. In tissue culture technique, nutrients in the media have been a major factor in manipulating the final ... -
Optimization of sodium hydroxide pretreatment and enzymatic saccharification of spent rubberwood sawdust for glucose production
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2014)Large quantities of oyster mushroom spent medium (MSM) were disposed of as agricultural waste to the environment and thereby constituting environmental pollution. Economic reuse of the waste mushroom medium to produce ... -
Phase equilibrium studies for the development of fuel systems and LPG fuel mixture using regular solution theory
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2011)The objective of this work is the assessment of the feasibility studies of phase equilibria mutual solubility process utilizing subcritical propane. A thermodynamic model based on regular solution theory studies to evaluate ... -
Physical testing on formulated earthworm-based pellets for growth performance evaluation in African Catfish (Clarias gariepinus)
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2013)New formulation of fish pellets was designed by using earthworm powder and other economical ingredients such as soybean waste, rice bran and tapioca starch as an alternative protein source for substitution of fishmeal due ... -
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 ... -
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 ...