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270 results for “Y. M. Choo”
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Research ArticleOpen accessIn the author namesDetermination of Antioxidants in Oil Palm Empty Fruit BunchesNg Mei Han, Choo Yuen MayThe oil palm Fresh Fruit Bunches (FFB) undergoes sterilization before being threshed to separate the fruits from the bunch. Upon threshing, the fruits were pressed for its oil while the now Empty Fruit Bunch (EFB) will be discarded or used as biomass. It is believed that the EFB contains small amount of oil as well as phytonutrients which contain antioxidative … …American Journal of Applied Sciences, Vol. 9, Issue 11 · 5 Sep 2012 · 7,187 accessesView PDFCite
Research ArticleOpen accessIn the author namesDry Heating of Palm Fruits: Effect on Selected ParametersNu’man Abdul Hadi, Ng Mei Han, Choo Yuen May, Ma Ah NganThis study reports on the effects of dry heating of oil palm fruits for the purpose of sterilization and solvent extraction with various oil parameters. Steam sterilization of oil palm fresh fruit bunches was required as a pre-treatment to deactivate enzymes that give rise to Free Fatty Acids (FFA) before the oil could be extracted. While the use of high-pressure … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 2 · 1 Aug 2012 · 8,993 accessesView PDFCite
Research ArticleOpen accessIn the author namesProduction and Characterization of Bio-Char from the Pyrolysis of Empty Fruit BunchesMohamad Azri Sukiran, Loh Soh Kheang, Nasrin Abu Bakar, Choo Yuen MayProblem statement: The palm oil industry generates an abundance of oil palm biomass such as the Empty Fruit Bunch (EFB), shell, frond, trunk and Palm Oil Mill Effluent (POME). For 88 million tones of Fresh Fruit Bunch (FFB) processed in 2008, the amount of oil palm biomass was more than 26 million tones. Studies about production of bio-char from oil … …American Journal of Applied Sciences, Vol. 8, Issue 10 · 20 Aug 2011 · 9,818 accessesView PDFCite
Research ArticleOpen accessIn the author namesDetermination of Antioxidants in Oil Palm Leaves (Elaeis guineensis)Ng Mei Han, Choo Yuen MayProblem statement: Previous findings on the occurrence of water soluble antioxidants in palm oil has brought to the question on whether these compounds is also present in other parts of the oil palm; namely its leaves. Approach: It is now believed that the water soluble antioxidants are also present in other biomass of the oil palm, namely, the leaves. This … …American Journal of Applied Sciences, Vol. 7, Issue 9 · 30 Sep 2010 · 8,561 accessesView PDFCite
Research ArticleOpen accessIn the author namesEnzymatic Synthesis of Palm Alkyl Ester Using Dialkyl Carbonate as an Alkyl DonorsRoila Awang, Choo Yuen MayProblem statement: Though efficient in terms of reaction yield and time, the chemical approach to synthesizing alkyl ester has drawback such as difficulties in the recovery of glycerol and the need for removal of salt residue. On the other hand, biocatalyst allow for synthesis of specific alkyl esters and easy recovery of glycerol. However, the solvent-free alcoholysis, does not give … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 7,238 accessesView PDFCite
Research ArticleOpen accessIn the author namesCapturing Biogas: A Means to Reduce Green House Gas Emissions for the Production of Crude Palm OilS. Vijaya, A.N. Ma, Y. M. ChooProblem statement: The Malaysian oil palm industry is an important industry to the nation. In 2009 alone the total export earnings reached RM 49.6 billion. The industry is under constant attack of its performance from the perspective of the environment, especially with regard to its Green House Gas (GHG) Emissions. Being an export orientated industry; this issue has to be … …Current Research in Geoscience, Vol. 1, Issue 1 · 30 Jun 2010 · 14,394 accessesView PDFCite
Research ArticleOpen accessIn the author namesFrom Feature Selection to Building of Bayesian Classifiers: A Network Intrusion Detection PerspectiveKok-Chin Khor, Choo-Yee Ting, Somnuk-Phon AmnuaisukProblem statement: Implementing a single or multiple classifiers that involve a Bayesian Network (BN) is a rising research interest in network intrusion detection domain. Approach: However, little attention has been given to evaluate the performance of BN classifiers before they could be implemented in a real system. In this research, we proposed a novel approach to select important features by … …American Journal of Applied Sciences, Vol. 6, Issue 11 · 30 Nov 2009 · 7,076 accessesView PDFCite
Research ArticleOpen accessIn the author namesA Gate to Gate Assessment of Environmental Performance for Production of Crude Palm Kernel Oil Using Life Cycle Assessment ApproachS. Vijaya, A. N. Ma, Y. M. ChooProblem statement: The oil palm industry is an export orientated industry which heavily relies on the world market. In 2007 alone the total export earnings reached RM 45.1 billion. It is essential that the oil palm industry is ready to meet the higher expectation of its overseas customers on the environmental performance of the industry. Life Cycle Assessment (LCA) is … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,229 accessesView PDFCite
Research ArticleOpen accessIn the author namesLog data Approach to Acquisition of Optimal Bayesian Learner ModelChoo-Yee Ting, Somnuk Phon-AmnuaisukLog data provide valuable insight into observable behavioural patterns, which could be inferred to study a learner’s cognitive processes, levels of motivation and levels of knowledge acquisition. To date, most of the research work has been devoted to study the different methods to analyze and interpret log data. Little attention, however, has been given to use log data as a … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,082 accessesView PDFCite
Research ArticleOpen accessIn the author namesEffect of Storage Temperature on the Stability of Phytonutrients in Palm ConcentratesK. Chandrasekaram, M. H. Ng, Y. M. Choo, C. H. ChuahPalm phytonutrient concentrates; a valuable by-product from the production of palm biodiesel contains an abundance of natural phytonutrients such as carotenes, vitamin E, sterols, squalene and coenzyme Q. The present research described the concentration of phytonutrients that obtained from palm biodiesel production. The concentration of phytonutrients available in palm phytonutrients concentrate is ten times higher than in crude palm oil. … …American Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 9,590 accessesView PDFCite