Dr. Consolacion Y. Ragasa is the first Pioneering Research Professor of De La Salle University - Science and Technology Complex. Her research focuses on the isolation and structure elucidation of the chemical constituents of Philippine plants. She has published extensively in natural products, phytochemistry and pharmacognosy journals. To date, she has published more than 120 papers in SCOPUS indexed journals. Dr. Ragasa was awarded the Pillar of Lasallian Excellence Award in Research (2013), National Research Council of the Philippines Achievement Award in Chemical Research (2003), Philippine Federation of Chemistry Societies Achievement Award in Chemical Research (2002), and St. Miguel Febres Cordero Research Award (SY 2000-2001). She is a member of the editorial board of The Scientific World Journal, Pharmacologia, Advances in Biomedicine and Pharmacy, Journal of Pharmaceutics, American Journal of Life Sciences, Journal of Botanics, Targets and Therapy, Philippine Science Letters, Philippine Journal of Science, and Manila Journal of Science.
Sex: Female
Education:
- University of the Philippines (UP), Diliman, Quezon City, Ph. D. in Chemistry, 1990
- UP, Diliman, Quezon City, M. S. Chemistry, 1983
- UP, Diliman, Quezon City, B. S. Chemistry, 1977
Field of Specialization:
Chemistry , Natural Products Chemistry
Researches:
Ragasa, C.Y., (1997) A Bioactive Carotenoid from Mimosa invisa
Philippine Journal of Science Volume 126, No. 1
Ragasa, C.Y., Tepora, M., Espinelli, D., Mandia, E., (2008) Chromomoric acid derivatives from Tectona philippinensis
Journal of Natural Products Volume 71, No. 4
Alea, G.V., Bowden, B.F., Ragasa, C.Y., (2008) A new rearranged Dolabellane diterpene from the soft coral Clavularia inflata
Natural Product Research Volume 22, No. 9
Ragasa, C.Y., Lee, J.J., Lapina, M., Mandia, E., Rideout, J.A., (2008) Secondary metabolites from Tectona philippinensis
Natural Product Research Volume 22, No. 9
Janairo, J.R.O., Janairo, G.C., Ragasa, C.Y., (2008) A marine Verticillane diterpenoid from Cespitularia erecta
Natural Product Research Volume 22, No. 1
Janairo, J.R.O., Janairo, G.C., Ragasa, C.Y., (2007) New xenicanes from Xenia viridis
Natural Product Research Volume 21, No. 12
Ragasa, C.Y., Pimenta, L.E.N., Rideout, J.A., (2007) Iridoids from Gardenia jasminoides
Natural Product Research Volume 21, No. 12
Ragasa, C.Y., Wong, J., Rideout, J.A. , (2007) Monoterpene glycoside and flavonoids from Blumea lacera
Journal of Natural Medicines Volume 61, No. 4
Ragasa, C.Y., Martinez, A.T., Chua, J.E., Rideout, J.A. , (2007) A triterpene from Musa errans
Philippine Journal of Science Volume 136, No. 2
Ragasa, C.Y., Alimboyougen, A., Rideout, J.A., (2007) A triterpene from Rosa sp.
Journal of Research in Science, Computing, and Engineering Volume 4, No. 2
Janairo, J.R.O., Janairo, G.C., Ragasa, C.Y. , (2007) A new fatty acid ester of a Dolabellane diterpene from Clavularia sp
Journal of Research in Science, Computing, and Engineering Volume 4, No. 3
Ragasa, C.Y., Tepora, M.M., Rideout, J.A. , (2007) Terpenoids from Tithonia diversifolia
Journal of Research in Science, Computing, and Engineering Volume 4, No. 1
Ragasa, C.Y., Labrador, P., Rideout, J.A. , (2006) Antimicrobial terpenoids from Lansium domesticum
Philippine Agricultural Scientist Volume 89, No. 1
Ragasa, C.Y., de Luna, R.D., Cruz, W.C., Rideout, J.A. , (2005) Monoterpenelactones from the seeds of Nephelium lappaceum
Journal of Natural Products Volume 68, No. 9
Ragasa, C.Y., Ngo, H.T., Rideout, J.A. , (2005) Terpenoids and sterols from Lagerstroemia speciosa
Journal of Asian Natural Products Research Volume 7, No. 1
Ragasa, C.Y., Hofileña, J.G., De Luna, E. , (2005) Antimicrobial terpenoids from Pterocarpus indicus
Natural Product Research Volume 19, No. 4
Ragasa, C.Y., Co,A., Rideout,J.A. , (2005) Antifungal metabolites from Blumea balsamifera
Natural Product Research Volume 19, No. 3
Ragasa, C.Y., Lim, K., (2005) Secondary metabolites from Schefflera odorata Blanco
Philippine Journal of Science Volume 134, No. 1
Ragasa, C.Y., Lim, K., (2005) Sterols from Cucurbita maxima
Philippine Journal of Science Volume 134, No. 2
Ragasa, C.Y., Laguardia, M., Rideout, J.A. , (2005) Antimicrobial sesquiterpenoids and diarylheptanoid from Curcuma domestica
ACGC Chemical Research Communications Volume 18
Ragasa, C.Y., Tiu, F., Rideout, J.A., (2005) Triterpenoids from Chrysanthemum morifolium
ACGC Chemical Research Communications Volume 18
Ragasa, C.Y., Hofileña, J.G., Co, A., Rideout, J.A., (2005) Antifungal diacetylglycerols from Malachra fasciata and Pithecolobium dulce
Asian Coordinating Group for Chemistry Chemical Research Communications Volume 19
Ragasa, C.Y., Cruz, M.C. , (2005) Antimicrobial diterpenes from Tinospora rumphii
Journal of Research in Science and Engineering Volume 2
Ragasa, C.Y., Tiu, F., Rideout, J.A. , (2004) New cycloartenol esters from ixora coccinea
Natural Product Research Volume 18, No. 4
Ragasa, C.Y., Jorvina, K., Rideout, J.A. , (2004) Antimicrobial compounds from Artocarpus heterophyllus
Philippine Journal of Science Volume 133, No. 2
Ragasa, C.Y., Hofileña, J.G., Rideout, J.A. , (2004) Secondary metabolites from Bauhinia purpurea
Philippine Journal of Science Volume 133, No. 1
Ragasa, C.Y., Jorvina, K., Rideout, J.A., (2004) Triterpenes and sterols from Achras zapota
Kimika Volume 20, No. 1-2
Cayme, J.M.C., Ragasa, C.Y., (2004) Structure elucidation of b-Stigmasterol and b-Sitosterol from Sesbania grandiflora Linn Pers and b-Carotene from Heliotropium indicum Linn
Kimika Volume 20, No. 1-2
Ragasa, C.Y., Ganzon, J.G., Hofileña, J.G., Tamboong, B., Rideout, J.A. , (2003) A new furanoid diterpene from Caesalpinia pulcherrima
Chemical & Pharmaceutical Bulletin Volume 51, No. 10
Rideout, J.A., Ragasa, C.Y., Ngo, H.T, (2003) Polyprenols from Jatropha curcas L. with unusual ions In electrospray ionisation mass spectroscopy
ACGC Chemical Research Communications Volume 16
Ragasa, C.Y., Tamboong, B., Rideout, J.A. , (2003) Secondary metabolites from Jasminum sambac and Cananga odorata
ACGC Chemical Research Communications Volume 16
Ragasa, C.Y., Javier, E.C.S., Tan, I.G. , (2003) Antimutagenic Triterpenes and Sterols from Vitex parviflora
Philippine Journal of Science Volume 132, No. 1
Ragasa, C.Y., Tremor, N., Rideout, J.A., (2002) Ionone derivatives from Alternanthera sessilis
Journal of Asian Natural Products Research Volume 4, No. 2
Ragasa, C.Y., Hofileña, J., Rideout, J.A. , (2002) New furanoid diterpenes from Caesalpinia pulcherrima
Journal of Natural Products Volume 65, No. 8
Ragasa, C.Y., Borja, D., Bassig, R., Rideout, J.A., (2002) Antifungal compounds from Anacardium occidentale
Philippine Journal of Science Volume 131, No. 1
Hofileña, J.G., Ragasa, C.Y. , (2002) A Monoterpene from Pterocarpus indicus (Leguminosae)
Kimika Volume 18, No. 1
Ragasa, C.Y., Templora, V.F., Rideout, J.A. , (2001) Diastereomeric Diterpenes from Coleus blumei
Chemical & Pharmaceutical Bulletin Volume 49, No. 7
Ragasa, C.Y., Rideout, J.A., (2001) An Antifungal Cadinanolide from Pseudoelephantopus spicatus
Chemical & Parmaceutical Bulletin Volume 49, No. 10
Ragasa, C.Y., Dumag, R., Rideout, J.A. , (2001) Antimicrobial Compounds from Mentha cordifolia
Philippine Journal of Science Volume 130, No. 1
Ragasa, C.Y., Yumul, J., Ganzon, G., Rideout, J.A., (2001) Antimicrobial Triterpenes and Sterols from Pseuderanthemum bicolor
Kimika Volume 17, No. 2
Ragasa, C.Y., Poblete, A., Navida, E. , (2001) Antimicrobial compounds from Spondias purpurea
Manila Journal of Science Volume 4, No. 1
Ragasa, C.Y., Cruz, C., Gula, R., Rideout, J.A., (2000) Clerodane Diterpenes from Tinospora rumphii
Journal of Natural Products Volume 63, No. 4
Ragasa, C.Y., Morales, E., Rideout, J.A., (2000) A Flavone from Vitex parviflora
Manila Journal of Science Volume 3, No. 2
Alea, G.V., Ragasa, C.Y., (2000) Diterpenes from the soft coral Clavularia inflata
Manila Journal of Science Volume 3, No. 2
Ragasa, C.Y., Laygo, J., Rideout, J.A. , (2000) Antimicrobial Biflavone from Araucaria bidwillii
Kimika Volume 16, No. 2
Hofilena, J., Ragasa, C.Y., Rideout, J.A., (2000) An antimicrobial and antimutagenic anthraquinone from Cassia alata
ACGC Chemical Research Communications Volume 10
Ragasa, C.Y., Hofilena, J., Rideout, J.A. , (2000) Lignans from Gliricidia sepium
ACGC Chemical Research Communications Volume 10
Ragasa, C.Y., Juan, E.A., Rideout, J.A., (1999) A Triterpene from Ficus pumila
Journal of Asian Natural Products Research Volume 1
Ragasa, C.Y., Alea, G.V., Rideout, J.A., (1999) An antimicrobial sesquiterpene lactone from Pseudoelephantopus spicatus
Manila Journal of Science Volume 2, No. 2
Ragasa, C.Y., Morales, E., Rideout, J.A., (1999) Antimicrobial Compounds from Vitex negundo
Philippine Journal of Science Volume 128, No. 1
Ragasa, C.Y., Pendon, Z., Sangalang, V., J. A. Rideout, J.A., (1999) Flavones from Coleus amboinicus
Philippine Journal of Science Volume 128, No. 4
Ragasa, C.Y., Penalosa, B.A., Rideout, J.A., (1998) A Bioactive Dipeptide Derivative from Malachra fasciata
Philippine Journal of Science Volume 127, No. 4
Ragasa, C. Y., Dumato, M., Rideout, J.A., (1998) Antifungal Compounds from Peperomia pellucida
ACGC Chemical Research Communications Volume 7:
Ragasa, C.Y., Tepora, M., Rideout, J.A., (1999) Antimicrobial Chromenes from Eupatorium toppingianum
ACGC Chemical Research Communications Volume 7
Ragasa, C.Y., Inte, V.M., Rideout, J.A. , (1998) An Antimicrobial Alkaloid from Catharanthus roseus
Manila Journal of Science Volume 1, No. 2
Ragasa, C.Y., Natividad, G.M., Rideout, J.A. , (1998) An Antifungal Diterpene from Chrysanthemum coronarium
Kimika Volume 14, No. 1
Ragasa, C. Y., Daniel, R., Rideout, J.A. , (1998) An Antifungal Tetranortriterpenoid from Swietenia macrophylla
Kimika Volume 14(1):
Ragasa, C.Y., Sy, J., Coll, J.C., Rideout, J.A., (1998) A Bioactive monoterpene Ester from Erigeron linifolius
Asia Life Sciences Volume 7, No. 1
Inte, V.M., Ragasa, C.Y., Rideout, J.A. , (1998) Triterpenes, Hydrocarbons and An Antimutagenic Alkaloid from Catharanthus roseus
Asia Life Sciences Volume 7(1):
Barre, J.T., Bowden, B.F., Coll, J.C., De Jesus, J., De La Fuente, V., Janairo, G.C., Ragasa, C.Y., (1997) A bioactive triterpene from Lantana camara
Phytochemistry Volume 45, No. 2
Ragasa, C.Y., Rideout, J.A., Coll, J.C., Tierra, D.S., (1997) Sesquiterpene Glycosides from Pittosporum pentandrum
Phytochemistry Volume 45, No. 3
Ragasa, C.Y., Sy, J., Coll, J.C., Inte, V.M., Rideout, J.A., (1997) Monoterpene Glycosides from Erigeron linifolius
Phytochemistry Volume 46, No. 1
Ragasa, C.Y., Nacpil, Z.D., Natividad, G.M., Coll, J.C., Tada, M., Rideout, J.A. , (1997) Tetranortriterpenoids from Azadirachta indica
Phytochemistry Volume 46, No. 3
Largo, G., Rideout, J.A., Ragasa, C.Y., (1997) A bioactive carotenoid from Mimosa invisa
Philippine Journal of Science Volume 126, No. 1
Juan, E.A., Rideout, J.A., Ragasa, C.Y., (1997) Bioactive furanocoumarin derivatives from Ficus pumila
Philippine Journal of Science Volume 126, No. 2
Ragasa, C.Y., Agbayani, V., Hernandez, R.B., Rideout, J.A. , (1997) An antimutagenic monoterpene from Malachra fasciata
Philippine Journal of Science Volume 126, No. 2
Ragasa, C.Y., Nacpil, Z.D., Penalosa, B.A., Coll, J.C., Rideout, J.A. , (1997) Antimutagen and antifungal compounds from Cosmos caudatus
Philippine Journal of Science Volume 126(3)
Ragasa, C.Y., (1997) Antifungal flavonoids from Waltheria americana
Philippine Journal of Science Volume 126, No. 3
Ragasa, C.Y., Sy, V., Agbayani, R., Infante, M., Col. J.C. , (1997) A bioactive thiophene derivative from Chrysanthemum coronarium
Philippine Journal of Science Volume 126, No. 4
Maliwat, L., Ragasa, C.Y., Tada, M., (1997) Alkaloid and saponin from Argemone mexicana
Kimika Volume 13(1)
Nacpil, Z.D., Ragasa, C.Y., Rideout, J.A., Coll, J., (1997) Antimutagenic diterpenes from Andrographis paniculata
Kimika Volume 13, No. 1
Ragasa, C.Y. et al, (1995) A diterpene from Bidens pilosa
Phytochemistry Volume 8, No. 6
Ragasa, C.Y., J. Sy, V., Agbayani, R., Infante, M., Col. J.C. , (1995) Antimutagens from Elephantopus scaber
Kimika Volume 11
Ragasa, C.Y., (1995) Flavanones and triterpenes from Ageratum conyzoides
Agham Volume 19, No. 2
Ragasa, C.Y., (1993) New eudesmanolide sesquiterpenes from a Philippine collection of Wedelia prostata
Journal of Natural Products Volume 56, No. 3
Largo, G. Jr., Rideout, J.A., Ragasa, C.Y., (1997) A bioactive carotenoid from Mimosa invisa
Philippine Journal of Science Volume 126, No. 1
Ragasa, C.Y., (2011 Jl 13-14) Cytotoxic Cardenolide and Sterols from Calotropis gigantea
Transactions of the National Academy of Science and Technology.Abstracts of Papers Volume 33, No. 1
Awards:
- Achievement Award in Chemical Research , National Research Council of the Philippines, 2003
- Achievement Award in Chemical Research , Philippine Federation of Chemistry Societies, 2002
- St. Miguel Febres Cordero , Research Award , 2000-2001
- Memorial Award for Outstanding Teacher, Kyu Yek Chiong & Tan Chun Tee , 1997
- FSC Distinguished Professorial Chair in Chemistry , Bro. Lewis Parrot, 1999-2007
- Distinguished Professorial Chair in Chemistry , Angel Arguelles, 1998-1999
- Academic Chair, Angel Arguelles, 1997-1998
- Academic Chair , Don Jose Cojuangco, 1991-1997
- Promotion of Science Fellow , Japan Society , 1992 Ap-Mr
- Consortium Ph.D. Fellow, UP-ADMU-DLSU , 1984-1988
- Research Grant , Australian Universities International Development Program (AUIDP) , 1987 Je-D