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NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Traditional Knowledge (IJTK) >
IJTK Vol.11 [2012] >
IJTK Vol.11(4) [October 2012] >
| Title: | Phytochemical screening and Antibacterial activity of selected medicinal plants of Bayabas, Sablan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines |
| Authors: | Balangcod, Teodora D
Vallejo, Vilma L.
Patacsil, Melba
Apostol, Orlando
Laruan, Lianne Marie Victoria A.
Manuel, Jayjay
Cortez, Sonny
Gutierrez, Rosemary M. |
| Keywords: | Bayabas
Sablan
Ethnobotany
Ibaloi tribe
Plant-based medicine
Secondary metabolites
Traditional knowledge |
| Issue Date: | Oct-2012 |
| Publisher: | NISCAIR-CSIR, India |
| IPC Code: | Int. Cl.8: C01, C07, C08, A61K 36/00 |
| Abstract: | The traditional
knowledge on medicinal plants, when confirmed by antimicrobial and
phytochemical studies, can lead to the development of drugs and plant-based
medicine. Twenty selected plants that are used for the treatment of various
ailments by the Ibaloi tribe in
Bayabas, Sablan were tested for antibacterial activity and analysed for
phytochemical constituents. A modified Kirby-Bauer method
was used to test the antibacterial potential of the plants against
gram-positive and gram-negative bacteria such as Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, and
Pseudomonas aeruginosa. Results
showed that out of the twenty plant samples, seven showed positive results in
varying degrees. Methanol extracts from the same twenty plants were analysed
for their secondary metabolites using standard methods. The extracts were
macerated with 95% methanol and were tested for the presence or absence of
saponins, alkaloids, glycosides, anthraquinones, steroids, flavonoids and
tannins. Bidens pilosa gave positive
results for all secondary metabolites while
the other plants contained one or two metabolites. The presence of the
secondary metabolites can contribute to the antibacterial potential of the
plants. The information derived herein provides scientific basis for the
ethno-botanical knowledge of the local community. The phytochemicals of the
plants when developed further, can offer a less-expensive treatment for various
ailments. |
| Page(s): | 580-585 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1068 (Online); 0972-5938 (Print) |
| Source: | IJTK Vol.11(4) [October 2012]
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