Browsing School of Bioprocess Engineering (FYP) by Subject "Antioxidant"
Now showing items 1-18 of 18
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Analysis of the synergistic effect for Bioactive compound of Orthosiphon Stamineus and Eugenia Polyantha
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2016-06)The combination of herbs has drawn much attention of people worldwide, not only because of their economic value as food products, but also for their antioxidant compounds. Orthosiphon stamineus and Eugenia polyantha are ... -
Change in total phenolic content and antioxidant activity at different growth and development stages of Misai Kucing (Orthosiphon stamineus) plants
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2010-05)Many studies on herbal plants indicated that chemical content composition of these plants may vary substantially at the different growth stages. In this research, the changes of total phenolic content and antioxidant ... -
Content of phenolic compounds and antioxidant in different parts of misai Kucing (Orthosiphon stamineus) grown under different light intensity
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2010-05)Content of phenolic compounds and antioxidant activity in different parts of misai kucing such as leaves, roots and stem has been observed when the misai kucing is treated in different light intensity. Total phenolic content ... -
Determination of antioxidant compounds from the seeds of Pangium edule by solid liquid extraction method
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2010-05)The market demand of the tocopherols in the antioxidant product was relatively high as tocopherols were proved to be the most powerful antioxidant compared others. However, the global supply of tocopherols from the natural ... -
Development of disposable superoxide dismutase biosensor to determined the antioxidant capacity in tea plant
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)A disposable enzymatic biosensor has been developed using superoxide dismutase (SOD) enzyme as its sensing material for the determination of antioxidant capacity of tea samples. The SOD was physically immobilized in a gel ... -
Development of disposable Xanthine Oxidase biosensor for the determination of antioxidant properties of herbal teas
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)An enzymatic biosensor has been developed using Xanthine Oxidase (XO enzyme as sensing material for the determination of antioxidant properties of selected herbal teas. The enzyme was immobilized in a Kappa-Carrageenan ... -
Effect of drying methods towards antioxidant properties of Pandanus amaryllifolius tea
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2016-06)Drying is the common way to preserve the quality of aromatic and bioactive compounds in medicinal plants. The goal of this study was to determine the antioxidant activity, phenolic content, chlorophyll content and phytochemical ... -
Effects of drying techniques on composition of biomarker compounds (Sinensetin and rosmarinic acid) and antioxidant capacity of Misai Kucing leaves
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)Orthosiphon staminues or misai kucing is one of the recommended herbal species in Malaysia. This study was conducted to determine the effect of drying techniques on antioxidant capacity and composition of biomarkers compounds ... -
The effects of drying temperature on total phenolic content (TPC) and Antioxidant Activities of Misai Kucing (Orthosiphon stamineus Benth) Plants
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2010-06)The modified spectrophotometric method makes use of the 2,2- diphenyl-1- picrylhydrazyl (DPPH) radical and its specific absorbance properties. The absorbance decreases when the radical is reduced by antioxidants. In ... -
Effects of drying temperatures and residual moisture content on marker compounds, total phenolics and antioxidant capacity of Orthosiphon stamineus benth (Misai Kucing) leaves
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)Experiments were conducted to determine effect on total phenolic, biomarker compounds and antioxidant capacity. Different temperature treatment (40, 50 and 70°C) and drying stage for different moisture content (initial, ... -
Effects of extraction conditions on antioxidant activity of Phanerochaete chrysosporium bioactive phenolics
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2012-06)Phanerochaete chrysosporium or known as white rot fungus has the major ability in lignin-degradable. However, antioxidant activities of the extracts from Phanerochaete chrysosporium biomass are poorly reported. In this ... -
Evaluation of bioactive component in Wasabi and other cruciferae
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)Wasabia japonica or wasabi is very popular in Japan while cauliflower (Brassica oleracea var. italica), broccoli (B. oleraceavar. botrytis), White radish (Raphanus sativus) is a very popular plant among Malaysians. This ... -
Extraction, separation and optimization of Gadis Lompat (Chloranthus Erectus) herb
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2012-06)The Soxhlet extraction method was used to optimize the extraction yield of Chloranthus erectus leaves. Soxhlet extractions were performed at five varies extraction time (60 minutes, 165 minutes, 270 minutes, 375 minutes, ... -
Kinetic study of flavanoid activity on oxidation of linoleic acid in fish meat
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011-05)This research is to study the antioxidant activity which is flavanoid towards the lipid peroxidation inside the fish meat. Lipid peroxidation induces qualitative decay of foods, so various compounds possess antioxidant ... -
Optimization of antioxidants application in tissue culture of Berangan (Musa paradisiaca) banana for browning inhibition
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2012-06)Berangan Banana (Musa paradisiaca) was known to be one of the most commonly grown fruit crop in Malaysia. Through in-vitro culture technique, the mass propagation of this cultivar has been a serious problem of high mortality ... -
Optimization of extraction conditions for antioxidant activity of crude bioactive phenolic from phanerochaete chrysosporium by liquid-state fermentation
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2013-05)Phanerochaete chrysosporium known as white rot fungus has the ability to degrade the abundant aromatic polymer lignin. In this study, the extractions for antioxidant activity of Phanerochaete chrysosporium biomass extract ... -
Optimization of extraction conditions for flavonoids content from Citrus grandis peels
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2010-05)Recently, the development of flavonoids become a hot topic and have received much attention from researcher because of the ability and effectiveness in reducing blood lipid, as an anti-oxidative, in assimilating cholesterol, ... -
Total phenolic content and antiodant activity of G.obscurum
(Universiti Malaysia PerlisSchool of Bioprocess Engineering, 2011)The natural value of the leaves of the Tebengau ‘Glochidion obscurum’ was explored in this study. The leaf sample of these plant species was collected at Pusat Agrotech Sungai Chucuh. Other than that, this experiment ...