Malaysian
Journal of Analytical Sciences Vol 22 No 1 (2018): 123 - 127
DOI:
10.17576/mjas-2018-2201-15
PHYTOCHEMICAL AND ANTIMICROBIAL EVALUATION OF Pithecellobium jiringa STEM BARKS EXTRACTS
(Penyaringan Fitokimia dan Antimikrob ke atas Ekstrak Kulit Kayu Batang Pithecellobium jiringa)
Zurhana Mat Hussin*, Nurul Anasuhah Osman, Aiza Harun, Shaari Daud
Faculty of Applied Sciences,
Universiti Teknologi MARA Pahang, 26400 Bandar Tun
Abdul Razak, Jengka, Pahang, Malaysia
*Corresponding
author: zurhana_mhussin@pahang.uitm.edu.my
Received: 4
December 2016; Accepted: 1 December 2017
Abstract
Pithecellobium jiringa (P. jiringa)
is economically important due to its various traditional uses in treating
hypertension and diabetes (seeds), medicine (leaves) and source of dye for silk
(pods). This is a pioneer study that reports its effectiveness as antimicrobial agent from stem bark of P. jiringa. The present study was carried out to detect
preliminary phytochemicals and antimicrobial of solvent extracts from P. jiringa stem bark. Qualitative phytochemical analysis was
performed on ethanol and ethyl acetate
extracts. These extracts were investigated for their antimicrobial activity of different microorganism tests
including bacteria and fungi by using agar disc diffusion technique. Tannins,
flavonoids, terpenoids and saponins were the main metabolites found in
phytochemical screenings. Both ethanol and ethyl acetate extracts exhibited
marked antimicrobial activity against skin disease caused-microbes Staphylococcus aureus, Staphylococcus epidermidis and Trychophyton mentagrophytes with highest inhibition zone
(IZ) of 23 mm at 200 mg/mL ethyl acetate extracts. The current study confirmed
that the stem bark of P. jiringa has
a potential source of active antimicrobial agent. Further analysis on the
isolation and characterization of compound form
P. jiringa
stem bark, responsible for antimicrobial properties is in progress.
Keywords: antifungal activity, antimicrobial activity,
inhibition zone, Pithecellobium jiringa
Abstrak
Pithecellobium jiringa (P. jiringa) adalah penting dari segi ekonomi dengan kegunaan
tradisional pelbagai dalam merawat tekanan darah tinggi dan kencing manis
(biji), perubatan (daun) dan sumber pewarna untuk sutera (buah). Melalui kajian
ini, melaporkan kali pertama, keberkesanannya sebagai agen antimikrob daripada
kulit kayu batang P. jiringa. Kajian
ini telah dijalankan untuk mengesan fitokimia awal dan antimikrob ekstrak
pelarut dari kulit kayu batang P. jiringa.
Analisis fitokimia kualitatif telah dilakukan ke atas ekstrak etanol dan etil
asetat. Ekstrak ini telah dikaji untuk aktiviti antimikrob dengan ujian
mikroorganisma yang berbeza termasuk bakteria dan kulat menggunakan teknik
resapan cakera agar. Tanin, flavonoid, terpenoid dan saponin adalah metabolit
utama yang diperolehi dari saringan fitokimia. Kedua-dua etanol dan etil asetat
ekstrak mempamerkan tanda aktiviti antimikrob terhadap penyakit kulit yang
disebabkan oleh mikrob Staphylococcus
aureus, Staphylococcus epidermidis
dan Trychophyton mentagrophytes dengan
zon perencatan tertinggi (IZ) 23 mm pada 200 mg/mL ekstrak etil asetat. Kajian
ini mengesahkan bahawa kulit kayu batang P.
jiringa mempunyai sumber potensi antimikrob aktif. Analisis lanjut mengenai
pengasingan dan pencirian komponen kulit kayu batang P. jiringa, bertanggungjawab untuk ciri-ciri antimikrob sedang
dijalankan.
Kata kunci: aktiviti antikulat, aktiviti antimikrob, zon
perencatan, Pithecellobium jiringa
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