About the Cover
The image shows a 3D surface plot of reducing sugar concentration against steam explosion temperature and pretreatment time in the optimization of the steam explosion of banana pseudostem—a low-cost, readily available agricultural residue. The steam explosion temperature had the strongest positive impact on the production of reducing sugars, the yield of which increased by 90% after dilute acid pretreatment. Hence, with improved digestibility of banana pseudostem, sequential pretreatment was proven effective in producing enzymatic hydrolysates for the production of polyhydroxybutyrate—a suitable biodegradable alternative to non-renewable, petroleum-based plastics. To learn more, go to page 285–297.
Philippine Journal of Science Vol. 149 No. 2, June 2020
[EDITORIAL]
The COVID-19 Pandemic and the Readiness of Nations
Caesar A. Saloma
[PERSPECTIVE]
Three Decades of Contagious Disease Research in the Philippine Journal of Science (1990–2020)
Allyster A. Endozo
[UPDATE]
Acd. Victor B. Amoroso, New Editorial Board Member of PJS
David Matthew C. Gopilan
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D- and z-values of Escherichia coli O157:H7, Salmonella enterica, and Listeria monocytogenes in Heated Orange Juice
Gladess A. Pagal and Alonzo A. Gabriel
Some Constructions of 3-minimal Graphs with Cycles
Wielson M. Factolerin and Jean O. Loyola
Structural, Textural, and Thermal Properties of Freeze-thawed Quick-frozen Cooked Rice PSB Rc 18 (Oryza sativa L.)
Una Grace M. Dollete and Maria Patricia V. Azanza
Steam Explosion and Sequential Steam Explosion – Dilute Acid Optimization Pretreatment of Banana Pseudostem for Polyhydroxybutyrate (PHB) Production
Kristel Anna A. Mabazza, Princess J. Requiso, Catalino G. Alfafara, Fidel Rey P. Nayve Jr., and Jey-R S. Ventura
Utilization of ‘Alugbati’ (Basella alba L.) Leaves Powder to Increase Vitamin A Content of Fresh Egg Noodles
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May Anne E. Mata, Giovanna Fae R. Oguis, Kim Dianne B. Ligue, Ritchie Mae T. Gamot, Karen Rozyll G. Abaro, Yllyssa C. Fordan, and Larry N. Digal
Preparation and Characterization of an Amino-functionalized α-cellulose from Pineapple [Ananas comosus (L.) Merr.] Crown Leaves
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Effect of Particle Size of Tobacco Stalk Additive on the Bond Strength and Formaldehyde Emission of Urea Formaldehyde Bonded Plywood
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Accurate Diagnosis of Multicomponent Babuviruses Infecting Abaca by Simultaneous Amplification of Their Genome Segments
Cris Francis C. Barbosa, Rhosener Bhea L. Koh, Vermando M. Aquino, and Leny C. Galvez
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[BOOK REVIEW]
Water Resources Systems of the Philippines: Modeling Studies
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