Consolacion Y Ragasa

Summary

Affiliation: De La Salle University
Country: Philippines

Publications

  1. ncbi request reprint Monoterpene lactones from the seeds of Nephelium lappaceum
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila, 1004, Philippines
    J Nat Prod 68:1394-6. 2005
  2. doi request reprint Chromomoric acid derivatives from Tectona philippinensis
    Consolacion Y Ragasa
    Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
    J Nat Prod 71:701-5. 2008
  3. doi request reprint A new sesquiterpene from Artemisia vulgaris
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, 1004, Manila, Philippines
    J Nat Med 62:461-3. 2008
  4. doi request reprint New carvotanacetone derivatives from Sphaeranthus africanus
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University and Center for Natural Sciences and Ecological Research, De La Salle University, Manila, Phillipines
    Planta Med 76:146-51. 2010
  5. doi request reprint Bioactive triterpenes from Diospyros blancoi
    Consolacion Y Ragasa
    Chemistry Department, Center for Natural Sciences and Ecological Research, De La Salle University, 1004 Manila, Philippines
    Nat Prod Res 23:1252-8. 2009
  6. ncbi request reprint Antifungal metabolites from Blumea balsamifera
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 19:231-7. 2005
  7. ncbi request reprint New cycloartenol esters from Ixora coccinea
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 18:319-23. 2004
  8. ncbi request reprint A new furanoid diterpene from Caesalpinia pulcherrima
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, Manila, Philippines
    Chem Pharm Bull (Tokyo) 51:1208-10. 2003
  9. doi request reprint Secondary metabolites from Tectona philippinensis
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 1004 Manila
    Nat Prod Res 22:820-4. 2008
  10. ncbi request reprint New furanoid diterpenes from Caesalpinia pulcherrima
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila, 1004 Philippines
    J Nat Prod 65:1107-10. 2002

Collaborators

Detail Information

Publications22

  1. ncbi request reprint Monoterpene lactones from the seeds of Nephelium lappaceum
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila, 1004, Philippines
    J Nat Prod 68:1394-6. 2005
    ..Compounds 1 and 2 represent a new monoterpene skeleton, and their structures were elucidated by extensive 1D and 2D NMR spectral data interpretation. Antimicrobial testing was carried out on 1 and 2 against a panel of bacteria and fungi...
  2. doi request reprint Chromomoric acid derivatives from Tectona philippinensis
    Consolacion Y Ragasa
    Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
    J Nat Prod 71:701-5. 2008
    ..Their structures were elucidated by extensive 1D and 2D NMR spectroscopy. Antimicrobial testing was carried out on 1- 3 against a panel of bacteria and fungi...
  3. doi request reprint A new sesquiterpene from Artemisia vulgaris
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, 1004, Manila, Philippines
    J Nat Med 62:461-3. 2008
    ..The structure of 1 was elucidated by extensive one- and two-dimensional nuclear magnetic resonance spectroscopy...
  4. doi request reprint New carvotanacetone derivatives from Sphaeranthus africanus
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University and Center for Natural Sciences and Ecological Research, De La Salle University, Manila, Phillipines
    Planta Med 76:146-51. 2010
    ..Compounds 1- 3 exhibited antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa and antifungal activity against Candida albicans, Trichophyton mentagrophytes and Aspergillus niger...
  5. doi request reprint Bioactive triterpenes from Diospyros blancoi
    Consolacion Y Ragasa
    Chemistry Department, Center for Natural Sciences and Ecological Research, De La Salle University, 1004 Manila, Philippines
    Nat Prod Res 23:1252-8. 2009
    ..Sample 2 exhibited significant analgaesic and anti-inflammatory activities...
  6. ncbi request reprint Antifungal metabolites from Blumea balsamifera
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 19:231-7. 2005
    ..niger, T. mentagrophytes, and C. albicans. Both compounds have no antimicrobial activity against Psuedomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis, and Escherichia coli...
  7. ncbi request reprint New cycloartenol esters from Ixora coccinea
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 18:319-23. 2004
    ..afforded two new cycloartenol esters (1a and 1b), lupeol fatty ester, lupeol, ursolic acid, oleanolic acid, and sitosterol. The structures of 1a and 1b were elucidated by extensive 1D and 2D NMR spectroscopy and MS...
  8. ncbi request reprint A new furanoid diterpene from Caesalpinia pulcherrima
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, Manila, Philippines
    Chem Pharm Bull (Tokyo) 51:1208-10. 2003
    ..The structure of 1 was elucidated by spectral data interpretation...
  9. doi request reprint Secondary metabolites from Tectona philippinensis
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 1004 Manila
    Nat Prod Res 22:820-4. 2008
    ..Compound 1 was also found to have low antibacterial activity against Escherichia coli and Pseudomonas aeruginosa...
  10. ncbi request reprint New furanoid diterpenes from Caesalpinia pulcherrima
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila, 1004 Philippines
    J Nat Prod 65:1107-10. 2002
    ..Antimicrobial tests on 1-5 indicated that they were active against several bacteria (S. aureus, E. coli, P. aeruginosa, and B. subtilis) and fungi (C. albicans and T. mentagrophytes)...
  11. ncbi request reprint Antimicrobial terpenoids from Pterocarpus indicus
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 19:305-9. 2005
    ..It was found inactive against Staphylococcus aureus, Bacillus subtilis, and Trichophyton mentagrophytes...
  12. ncbi request reprint A new triterpene from Barringtonia asiatica
    Consolacion Y Ragasa
    Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University 2401 Taft Avenue, Manila 1004, Philippines
    Nat Prod Res 26:1869-75. 2012
    ..Except for the mixture of 4a and 4b that proved to be inactive, all the compounds were slightly active against the bacterium Staphylococcus aureus, while 3a-c were slightly active against Pseudomonas aeruginosa...
  13. doi request reprint Hypoglycaemic effects of tea extracts and ent-kaurenoic acid from Smallanthus sonchifolius
    Dennis D Raga
    Biology Department and Center for Natural Sciences and Ecological Research, De La Salle University, Philippines
    Nat Prod Res 24:1771-82. 2010
    ....
  14. ncbi request reprint Iridoids from Gardenia jasminoides
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, Manila, Philippines
    Nat Prod Res 21:1078-84. 2007
    ..coli, Pseudomonas aeruginosa, Staphylococcus. aureus, and Trichophyton mentagrophytes; and inactive against Bacillus subtilis and Aspergillus niger...
  15. doi request reprint Chemical constituents of Cinnamomum cebuense
    Consolacion Y Ragasa
    Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University, Manila, Philippines
    Chin J Nat Med 11:264-8. 2013
    ..To investigate the chemical constituents of Cinnamomum cebuense, an endemic and critically endangered tree found only in Cebu, Philippines...
  16. ncbi request reprint A marine verticillane diterpenoid from Cespitularia erecta
    Jaime Raul O Janairo
    Chemistry Department and Center for Natural Science and Ecological Research, De La Salle University, Manila, Philippines
    Nat Prod Res 22:48-52. 2008
    ..The dichloromethane extract of Cespitularia erecta afforded a new verticillane diterpenoid (1) and sarcophytol A (2) by silica gel chromatography. The structure of 1 was elucidated by extensive 1D and 2D NMR spectroscopy...
  17. doi request reprint A bioactive sesquiterpene from Bixa orellana
    Dennis D Raga
    Biology Department and Center for Natural Sciences and Ecological Research, De La Salle University, Manila, Philippines
    J Nat Med 65:206-11. 2011
    ..albicans, low activity against T. mentagrophytes, and low antibacterial activity against E. coli, S. aureus, and P. aeruginosa. It was inactive against B. subtilis and A. niger...
  18. doi request reprint A new rearranged dolabellane diterpene from the soft coral Clavularia inflata
    Glenn V Alea
    Chemistry Department, De La Salle University Manila, Manila, 1004, Philippines
    Nat Prod Res 22:814-9. 2008
    ..The absolute stereochemistry of C-7 was determined by analyses of 1 separately esterified with R and S O-mandelic acids...
  19. ncbi request reprint Bioactivities of triterpenes and a sterol from Syzygium samarangense
    Dennis D Raga
    Biology Department and Center for Natural Sciences and Ecological Research, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
    Z Naturforsch C 66:235-44. 2011
    ..There were incidences of mortality upon direct exposure of sample 1 to dechorionated embryos, but higher mortality and aberration were observed during intact chorion treatment...
  20. ncbi request reprint Terpenoids and sterols from Lagerstroemia speciosa
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, Manila, Philipines
    J Asian Nat Prod Res 7:7-12. 2005
    ..The structure of 4 was elucidated by 1D and 2D NMR and mass spectroscopy...
  21. ncbi request reprint Ionone derivatives from Alternanthera sessilis
    Consolacion Y Ragasa
    Chemistry Department, De La Salle University, Manila, Philippines
    J Asian Nat Prod Res 4:109-15. 2002
    ..Antimicrobial tests on the mixture of diastereomers and the derivative indicated that they have low activities against Pseudomonas aeruginosa and Trichophyton mentagrophytes...
  22. ncbi request reprint New xenicanes from Xenia viridis
    Jaime Raul O Janairo
    Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University 2401, Taft Avenue, Manila, Philippines
    Nat Prod Res 21:1067-72. 2007
    ..The oxirane ring of 3 was found to be susceptible to a slow ring opening under acidic conditions to afford 5. Their structures were elucidated by extensive 1D and 2D NMR spectroscopy...