Irene M Villaseñor

Summary

Affiliation: University of the Philippines
Country: Philippines

Publications

  1. ncbi request reprint Menthalactone, a new analgesic from Mentha cordifolia Opiz. Leaves
    Irene M Villaseñor
    Institute of Chemistry, Uiversity of the Philippines, Diliman, Quezon City 11010 Philippines
    Z Naturforsch C 64:809-12. 2009
  2. ncbi request reprint Antimicrobial activity of new phorbins from Jatropha curcas Linn. (Euphorbiaceae) leaves
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines
    Z Naturforsch C 66:441-6. 2011
  3. ncbi request reprint Cassiaindoline, a new analgesic and anti-inflammatory alkaloid from Cassia alata
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    Z Naturforsch C 64:335-8. 2009
  4. ncbi request reprint Comparative anti-hyperglycemic potentials of medicinal plants
    Irene M Villaseñor
    Natural Products Research Laboratory, Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    J Ethnopharmacol 104:129-31. 2006
  5. ncbi request reprint Evaluation of the bioactivity of triterpene mixture isolated from Carmona retusa (Vahl.) Masam leaves
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, 1101 Quezon City, Philippines
    J Ethnopharmacol 92:53-6. 2004
  6. ncbi request reprint Bioactivity studies on beta-sitosterol and its glucoside
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    Phytother Res 16:417-21. 2002
  7. ncbi request reprint Bioactivity studies on Cassia alata Linn. leaf extracts
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101
    Phytother Res 16:S93-6. 2002
  8. ncbi request reprint Antihyperglycaemic flavonoids from Syzygium samarangense (Blume) Merr. and Perry
    Ma Hanshella C Resurreccion-Magno
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines
    Phytother Res 19:246-51. 2005
  9. ncbi request reprint Spasmolytic flavonoids from Syzygium samarangense (Blume) Merr. & L.M. Perry
    Evangeline C Amor
    Institute of Chemistry, College of Science, University of the Philippines, Diliman 1101, Quezon City, Philippines
    Z Naturforsch C 60:67-71. 2005
  10. ncbi request reprint Prolyl endopeptidase inhibitors from Syzygium samarangense (Blume) Merr. & L. M. Perry
    Evangeline C Amor
    Institute of Chemistry, College of Science, University of the Philippines, Diliman 1101 Quezon City, Philippines
    Z Naturforsch C 59:86-92. 2004

Collaborators

Detail Information

Publications12

  1. ncbi request reprint Menthalactone, a new analgesic from Mentha cordifolia Opiz. Leaves
    Irene M Villaseñor
    Institute of Chemistry, Uiversity of the Philippines, Diliman, Quezon City 11010 Philippines
    Z Naturforsch C 64:809-12. 2009
    ..01 and approximates the analgesic activity of mefenamic acid at 0.001 level of significance...
  2. ncbi request reprint Antimicrobial activity of new phorbins from Jatropha curcas Linn. (Euphorbiaceae) leaves
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines
    Z Naturforsch C 66:441-6. 2011
    ..Compound 2 was characterized as methyl pheophorbide a with 132-OH and 17- and 17(1)-CH3 moieties. It is active against Serratia marcescens...
  3. ncbi request reprint Cassiaindoline, a new analgesic and anti-inflammatory alkaloid from Cassia alata
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    Z Naturforsch C 64:335-8. 2009
    ..It exhibited analgesic activity at a dosage of 125.0 mg/kg mouse and decreased the number of writhings induced by acetic acid by 49.4%. It also showed a 57.1% anti-inflammatory activity at a dosage of 75 mg/kg mouse...
  4. ncbi request reprint Comparative anti-hyperglycemic potentials of medicinal plants
    Irene M Villaseñor
    Natural Products Research Laboratory, Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    J Ethnopharmacol 104:129-31. 2006
    ..07 for Eucalyptus tereticornis. There was no significant lowering in BGLs for Imperata cylindrica and Solanum nigrum while there was even an increase in BGLs for Nopalea cochinellifera and Artemisia vulgaris...
  5. ncbi request reprint Evaluation of the bioactivity of triterpene mixture isolated from Carmona retusa (Vahl.) Masam leaves
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, 1101 Quezon City, Philippines
    J Ethnopharmacol 92:53-6. 2004
    ..The triterpene mixture was inactive against Escherichia coli and possessed moderate activities against Staphylococcus aureus, Candida albicans, and Trichophyton mentagrophytes...
  6. ncbi request reprint Bioactivity studies on beta-sitosterol and its glucoside
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    Phytother Res 16:417-21. 2002
    ..An in vivo micronucleus test showed that beta-sitosterol inhibited the mutagenicity of tetracycline by 65.3% at a dose of 0.5 mg /kg mouse. At the same dose, it did not exhibit chromosome-breaking activity...
  7. ncbi request reprint Bioactivity studies on Cassia alata Linn. leaf extracts
    Irene M Villaseñor
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101
    Phytother Res 16:S93-6. 2002
    ..At a dosage of 150 mg/20 g mouse, the EtOAc extract caused paralysis, screen grip loss and enophthalmus accompanied by drooping and closure of the eyelids...
  8. ncbi request reprint Antihyperglycaemic flavonoids from Syzygium samarangense (Blume) Merr. and Perry
    Ma Hanshella C Resurreccion-Magno
    Institute of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines
    Phytother Res 19:246-51. 2005
    ..When administered 15 min before glucose, none of the flavonoids showed a positive effect. Only 1 decreased significantly, at alpha = 0.05, the BGLs of alloxan-diabetic mice at t = 90-150 min...
  9. ncbi request reprint Spasmolytic flavonoids from Syzygium samarangense (Blume) Merr. & L.M. Perry
    Evangeline C Amor
    Institute of Chemistry, College of Science, University of the Philippines, Diliman 1101, Quezon City, Philippines
    Z Naturforsch C 60:67-71. 2005
    ..Verapamil, a standard spasmolytic, has an IC50 value of 0.16 +/- 0.04 microg/ml. This is the first report of the relaxant activity of chalcones, specifically of compounds 1-3...
  10. ncbi request reprint Prolyl endopeptidase inhibitors from Syzygium samarangense (Blume) Merr. & L. M. Perry
    Evangeline C Amor
    Institute of Chemistry, College of Science, University of the Philippines, Diliman 1101 Quezon City, Philippines
    Z Naturforsch C 59:86-92. 2004
    ..Compounds 3-8 and 10 exhibited significant and selective inhibition against prolyl endopeptidase among three serine proteases. This is the first report of this kind of activity for all these compounds...
  11. ncbi request reprint A new antimutagen from Mentha cordifolia Opiz
    Irene M Villaseñor
    Institute of Chemistry and Natural Sciences Research Institute, University of the Philippines, Diliman, 1101, Quezon City, Philippines
    Mutat Res 515:141-6. 2002
    ..001. Moreover, the isolated antimutagen did not exhibit mutagenic activity at the same dosage. Statistical analysis showed that it is not mutagenic at 0.001 level of significance because its variance differs from that of tetracycline...
  12. ncbi request reprint Comparative potencies of nutraceuticals in chemically induced skin tumor prevention
    Irene M Villaseñor
    Natural Products Research Laboratory, Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
    Nutr Cancer 44:66-70. 2002
    ..20 for Protocols 1 and 3. Turmeric is the most potent nutraceutical, because the average number of tumors formed after application of tumeric is statistically different from the positive control at alpha = 0.01...