RenatoA Dela Peña

ORCID: 0000-0003-3782-7274
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Research Areas
  • Plant tissue culture and regeneration
  • Natural product bioactivities and synthesis
  • Phytochemistry and biological activities of Ficus species
  • Plant Physiology and Cultivation Studies
  • Plant-Microbe Interactions and Immunity
  • Essential Oils and Antimicrobial Activity
  • Ziziphus Jujuba Studies and Applications
  • Phytochemistry and Biological Activities

Manila Central University
2018

Context: The study investigated the medicinal properties of Spathiphyllum cannifolium (Dryand. ex Sims) Schott as a possible source antimicrobial compounds. Materials and Methods: phytochemical constituents were screened using qualitative methods antibacterial antifungal activities determined agar well diffusion method. Statistical Analysis: One-way analysis variance Fisher's least significant difference test used. Results: screening showed presence sterols, flavonoids, alkaloids, saponins,...

10.4103/jpbs.jpbs_95_17 article EN cc-by-nc-sa Journal of Pharmacy And Bioallied Sciences 2018-01-01

Objective: The objective of the study is to investigate phytochemicals and potential antibacterial activity aqueous ethanolic leaf extracts Ziziphus talanai. Materials Methods: Aqueous crude were subjected phytochemical screening assayed for their antimicrobial activities via paper disc diffusion method against Escherichia coli Staphylococcus aureus. Results: Glycosides, condensed tannins, saponins found present in two extracts; however, leucoanthocyanins additionally detected extract. Both...

10.4103/jpnr.jpnr_7_18 article EN Journal of Pharmaceutical Negative Results 2018-01-01

Introduction: The study was carried out to isolate and identify potential antibiotic-producing bacteria associated with water cabbage (Pistia stratiotes) roots collected from Pampanga River, Pampanga, Philippines. Seven (7) bacterial colonies were randomly chosen at the 10-6 dilution factor. Antibiotic sensitivity test using agar well method revealed that only one of 7 selected can inhibit growth organisms. Specifically, (namely T4) supernatant inhibited E. coli B. subtilis but not S....

10.5530/pj.2018.1.34 article EN cc-by Pharmacognosy Journal 2017-11-26
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