Dr. Ernesto Del Rosario is recognized for his contributions in physical chemistry, computational chemistry, and industrial biotechnology. He pioneered the work on bioethanol production and is an expert in biofuels. He invented a low-cost fermentation process and the purification and stabilization of the protein enzyme α-amylase.
Sex: Male
Education:
- Cornell University, USA, PhD in Physical Chemistry, 1970
- Cornell University, USA, MS in Physical Chemistry, 1966
- University of the Philippines, Diliman, Quezon City, BS Chemistry, 1963
Researches:
Del Rosario, E.J. Lind, J.E. Jr., (1966) Temperature dependence of electrolytic conductance: Terabutylammonium fluoroborate in phenylacetonitrile.
Journal o Physical Chemistry Volume 70
Alcantara, J.A. Pontiveros, C.R. Mendoza, M.A. Del Rosario, E.J., (1978) Enzymatic hydrolysis of coconut meat products.
Philippine Journal of Coconut Studies Volume 3(2)
O. P. Baclay Jr., M.M. Peralta and E. J. Del Rosario, (2003) Molecular Orbital Calculations on the Maillard Reaction: Probable Mechanism and Structures of Intermediates and Products
Transactions of the National Academy of Science and Technology Philippines Volume 25(1)
Sensano, J.G. Ragragio, A.C.O. Del Rosario, E.J., (1997) Preparation of polysufone membranes and their use in micellar-enhanced ultrafiltration of coconut water
Kimika Volume 13, No. (2):
Del Rosario, E.J. Hammes, G.G., (1969) Kinetic and equilibrium studies of the ribonuclease-catalyzed hydrolysis of uridine 2, 3- cyclic phosphate
Biochemistry Volume 8
Del Rosario, E.J. Hammes, G.G., (1970) Relaxation spectra of ribonuclease VII. Interaction of ribonuclease with uridine,2,3- cyclic phosphate.
Americal Chemical Society Journal Volume 92(6)
Del Rosario, E.J. Hammes, G.G., (1971) Temperature jump study of the interaction of malate dehygrogenase with NADH and D-malate.ribonuc
Biochemistry Volume 10
Antonio, A.A. Del Rosario, E.J. Juliano, B.O., (1973) Molecular weight of starch synthetase from Oryza sativa leaves.
Phytochemistry Volume 12
Del Rosario, E.J., (1973) Use of cellulase in the extraction of coconut oil and proteins and in the conversion of cellulosic by-products into dextrose.
NRCP Bulletin (Annual progress report) Volume 28(1)
Del Rosario, E.J., (1974) Alkaline and enzymatic treatments of rice hulls
Philippine Agriculturist Volume 58(1-2)
Del Rosario, E.J., (1974) Cellulase treatment of fresh and desiccated coconut.
NRCP Bulletin (Progress Report)
Del Rosario, E.J., (1975) Solubilization of starch synthetase bound to Oryza sativa starch granules.
Phytochemistry Volume 14(4)
Alcantara, J.A. Del Rosario, E.J., (1976) Enzymatic treatment of coconut meat products.
NRCP Bulletin Volume (60)
Pesigan, R.A. Jr. dEL rOSARIO, e.j., (1976) Isoenzymes of soluble starch synthetase from Oryza sative grains.
Phytochemistry Volume 15(1)
Pamplona, B.S. Del Rosario, E.J., (1976) Solubility of calcium hydroxide- a general chemistry experiments
Kimika, Bulletin of the Chemical Society of the Philippines Volume 1
Cayabyab, V.A. Uyenco, F.R. Del Rosario, E.J., (1977) Batch-culture production of candida tropicalis in acid hydrolyzate of rice straw.
Philippine Journal of Crop Science Volume 2(4)
Vilela, L.C. Torillo, A..P. Del Rosario, E.J., (1977) Cellulase production in semisolid cultures of trichoderma viride.
Agricultural and Biological Chemistry Volume 41(2)
Del Rosario, E.J. Santisopasri, V., (1977) Characterization and inhibition of invertase in sugarcane juice.
Phytochemistry Volume 16(4)
Santisopasri, V. Del Rosario, E.J., (1977) Inhibition of invertase in sugarcane juice.
Philippine Journal of Crop Science Volume 2(4):
Del Rosario, E.J. et al., (1977) Production of sugar and alcohol from agricultural by-products.
Philippine Journal of Crop Science Volume 2(1)
Del Rosario, E.J., (1977) Separation base on molecular sieving.
Symposium on recent Developments in Separartion Techniques, Manila
Pontiveros, C.R. Alcantara, J.A. Del rosario, E.J., (1978) Acid saccharification and alcohol fermentation of unripe banana fruits (Musa sapientum L.)
The Philippine Journal of Crop Science Volume 3(3)
Del Rosario, E.J., (1978) Biotechnology and its role in agricultural waste recycling.
Inaugural PCRDF Professorial Chair Lecture, UPLB
Momongan, M.R. Castillo, R.M. Del Rosario, E.J., (1978) Characterization of cellulase immobilized in dextran and diethyl-aminoethyl -dextran.
Philippine Biochemical Society Bulletin Volume 1(2)
Del Rosario, E.J., (1978) Current trends in enzyme technology
Philippine Biochemical Society Bulletin Volume 1(1)
Del Rosario, E.J., (1979) Agrowastes as potential energy source.
Philippine Journal of Food Science and Technology Volume 3
Bondad, M.O Del Rosario, E.J., (1979) Extraction of copra meal protein
Philippine Journal of Coconut Studies Volume 4(4)
Papa, V.J. Del Rosario, E.J., (1979) Hydrolysis of coconut endosperm carbohydrate by a microbial mannanase
Philippine Biochemical Society Bulletin Volume 2(1)
Del Rosario, E.J. Lee, K.J. Rogers, P.L., (1979) Kinetics of alcohol fermentation at high yeast levels
Biotechnology and Bioengineering Volume 21(8)
Del Rosario, E.J. Pontiveros, C.R. Ortiz, P.F,, (1980) Acid saccharification and alcohol fermentation of coconut endosperm (Aqueous process) residue and sugarcane baggase.
Philippine Agriculturist Volume 63(4)
Del Rosario, E.J., (1980) Biotechnological approaches to food production
NSDB Technology Journal Volume 5(3)
Del Rosario, E.J., (1980) Biotechnology of coconut water utilization
NSDB Technology Journal Volume 5(2)
Gerona, R.R.L. Del Rosario, E.J., (1991) Facilitated leaching of pyrite from refractory gold ore by Thiobacillus ferrooxidans.
Philippine Journal of Biotechnology Volume 2(1)
Del Rosario, E.J. Drioli, E., (1997) Membrane filtration applied to dehydration and separation of flavor compounds in mango puree
Proceedings of the 13th Philippine Chemistry Congress
Bugante E.C. Lantican, A.U. Landas,J.DG. del Rosario, E.J. et al., (1996) Gas chromatographic analysis of flavor substances in alcohol distillate using different yeast strains.
In: Philippine Journal of Biotechnology, Abstracts of Competiting Scientific Papers Volume 7(1)
Victorio, J.D.. Buquiran, D.P.. Del Rosario, E.J.., (2007) Decolorization of glucose-glycine melanoidin as model color pollutant using ozonation and bacterial treament
Philippine Journal of Science Volume 136(1)
Papers Presented
- Membrane filtration applied to dehydration and separation of flavor compounds in mango puree., 13th Philippine Chemistry Congress
- In vivo inhibition of sugarcane invertase., PHISUTECH Silver Jubilee Convention, Manila
- Material and energy flows., Symposium on Human Ecology, UPLB
- Separation base on molecular sieving. , Symposium on recent Developments in Separartion Techniques, Manila
Award:
- Outstanding Young Scientist (Chemistry), NAST-DOST, 1980