Analytical and Environmental Chemistry Division (AECD)
Biochemistry and Agricultural Chemistry Division (BACD)
Faculty Room: PS B-302
Email: [email protected]
Educational Background
Doctor of Engineering (PhD) in Chemistry and Chemical Engineering
Hiroshima University
Master of Science in Agricultural Chemistry
University of the Philippines Los Baños
Bachelor of Science in Chemistry
University of the Philippines Los Baños
Research Interests
- Microplastics in the environment
- Environmental water and sediment analysis
- Ecological restoration research
- Green chemistry and toxicity testing
- Analysis of bee products
- Environmental Toxicology
Selected Publications
Grabato, J. R. H.; Manalo, C. V.; Migo, V. P.; Hizon-Fradejas, A. B. Independent Evaluation of a Mercury-Free Commercial Chemical Oxygen Demand Test Kit for the Analysis of Ethanol Distillery Wastewater. KIMIKA 2024, 35 (1), 24–35.
Flandez, L. E. L.; Castillo-Israel, K. A. T.; Rivadeneira, J. P.; Tuaño, A. P. P.; Hizon-Fradejas, A. B. Development and Validation of an HPLC-DAD Method for the Simultaneous Analysis of Phenolic Compounds. Malays. J. Fundam. Appl. Sci. 2023, 19, 855–864.
Manalo, C. V.; Bolante, C. M.; Hizon-Fradejas, A. B. Microplastics in Northern Laguna Lake’s Shoreline Sediments. Philipp. J. Sci. 2023, 153 (1), 515–527.
Gaurana, R. S.; Sunga, S. A. L.; Lim, B. L. J.; Hizon-Fradejas, A.; Arreola, S. L. Microwave-Assisted Extraction of Pectin from Dalanghita (Citrus reticulata Blanco) Peels. KIMIKA 2022, 33 (1), 91–104.
Ferreras, J. M.; Clemencia, M. C. M.; Hizon-Fradejas, A.; Uy, L. Y.; Torio, M. A. Isolation, Purification and Characterization of Proteins in “Señorita” Banana (Musa acuminata (AAA) ‘Señorita’) Pulp with Bioactive Peptides Exhibiting Antihypertensive and Antioxidant Activities. Appl. Sci. 2021, 11, 2190.
Hizon-Fradejas, A. B.; Dela Torre, L. D. G.; Alvarez, P. L. J.; Belina-Aldemita, M. D.; Micor, J. R. L.; Angelia, M. R. N.; Barrion-Dupo, A. L. A.; Cervancia, C. R. Antioxidant and Physico-Chemical Properties and Botanical Origin of Pollen Collected by Apis cerana Fabricius from Selected Apiaries in Laguna and Batangas Provinces (Philippines). Philipp. Entomol. 2019, 33 (1), 30–46.
Nishijima, W.; Nakano, Y.; Hizon-Fradejas, A. B.; Nakai, S. Evaluation of Substrates for Constructing Beds for the Marine Macrophyte Zostera marina L. Ecol. Eng. 2015, 83, 43–48.
Alvarez, P. L. J.; Cruz, M. B.; Micor, J. R. L.; Fajardo, A. C.; Cervancia, C. R.; Hizon-Fradejas, A. B. Identification of Flavonoids and Phenolic Compounds in Propolis from Stingless Bee (Tetragonula biroi Friese) Nests and Extracts from Five Tree Sources Using Tandem Liquid Chromatography–Mass Spectrometry. Philipp. Entomol. 2013, 27 (1), 91–99.
Hizon, A. B.; Librojo-Basilio, N. T.; Bombase, N. S. Comparative Acute Toxicities of Coconut Fatty Alcohol Sulfate and Linear Alkylbenzene Sulfonate to the Nile Tilapia (Oreochromis niloticus L.) by Static Renewal Test. Philipp. Agric. Sci. 2002, 85 (3), 248–255.