1. Department of Biochemistry, Faculty of PharmacyUniversity of Santo TomasEspaña Blvd, Sampaloc Manila Philippines
2. Department of Biochemistry and Molecular Biology, College of MedicineUniversity of the Philippines Manila1/F Salcedo Hall Pedro Gil St., Ermita Manila Philippines
3. Research Center for Natural and Applied SciencesUniversity of Santo TomasEspaña Blvd, Sampaloc Manila Philippines