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Phytochemical Analysis, Antioxidant, and Antibacterial Activity of Bidara laut (Strychnos lucida R.Br) Grown in West Bali National Park, Indonesia: Phytochemical Analysis, Antioxidant, and Antibacterial Activity of Bidara laut

Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences · Vol. 15 No. 1 (2025) · hlm. 177–184

DOI
10.11594/jtls.15.01.17
ISSN
2527-4376, 2087-5517
Terbit
2025-06-26
Penerbit
Journal of Tropical Life Science
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Strychnos lucida R.Br. is a medicinal plant believed to treat various diseases. The study aimed to identify the phytochemical compounds, total phenolic content (TPC), antioxidant, and antibacterial activity of the root, seed, stem, and leaf of S. lucida. Antioxidant activity was examined using the DPPH method in the methanol extract. The extract of four parts of S. lucida was tested against three bacteria (Bacillus subtilis Inacc-B334, Staphylococcus aureus Inacc-B4, and Escherichia coli Inacc-B5) using the disk diffusion method. The results showed that alkaloids and tannins were detected in all parts of the plant. The highest TPC was shown in root (6%) and the lowest TPC was found in seed extract (4.67%). The antioxidant activity test presented the value of IC50 of the methanol extract of root, seed, stem, and leaf as 129.65 µg/ml, 255.04 µg/ml, 145.28 µg/ml, and 112.96 µg/ml, respectively. Furthermore, the stem showed antibacterial activity by inhibiting the growth of B. subtilis and S. aureus in a concentration of 10% of the sample extract (v/v). Leaf extract has activity against only S. aureus growth in different concentrations (2.5, 5, 10%), while all bacteria were resistant to root and seed extracts. The stem extract showed the highest antioxidant and antibacterial activity compared to other parts.

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  • Universitas Gadjah Mada
  • Ministry of Environment and Forestry, Republic of Indonesia
  • National Research and Innovation Agency
  • Universitas Islam Negeri Ar-Raniry
  • Mulawarman University
  • Afiliasi tidak diketahui
  • Organisasi berbeda
  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Budi MulyanaUniversitas Gadjah Mada2
Rini PujiartiUniversitas Gadjah Mada2
Dewi SusantiAfiliasi tidak diketahui1
Ragil WidyoriniUniversitas Gadjah Mada1
Muhammad AdnanUniversitas Islam Negeri Ar-Raniry1
Nastiti WijayantiUniversitas Gadjah Mada1
Matin NuhamunadaUniversitas Gadjah Mada1
Tri Rini NuringtyasUniversitas Gadjah Mada1
Rizki MaharaniMinistry of Environment and Forestry, Republic of Indonesia1
Andrian FernandesMinistry of Environment and Forestry, Republic of Indonesia1
Maman TurjamanMinistry of Environment and Forestry, Republic of Indonesia1
Harlinda KuspradiniMulawarman University1
Sunarti SunartiUniversitas Gadjah Mada1
Slamet WidiyantoUniversitas Gadjah Mada1
Alim El-HakimUniversitas Gadjah Mada1
Rarastoeti PratiwiUniversitas Gadjah Mada1
Ardaning NurilianiUniversitas Gadjah Mada1
Yekti Asih PurwestriUniversitas Gadjah Mada1
Fajar SofyantoroUniversitas Gadjah Mada1
Adi Mazdi SyamUniversitas Gadjah Mada1
Baik Aisyah AdaniaUniversitas Gadjah Mada1
Muhammad Fikri AlmunawarUniversitas Gadjah Mada1
Nurlita Putri Bela NasutionUniversitas Gadjah Mada1
Rheina Faticha Asyamsa HidayatUniversitas Gadjah Mada1
Made Bagus Auriva MataramUniversitas Gadjah Mada1
Chesa Ekani MaharesiUniversitas Gadjah Mada1
Septika NurhidayahUniversitas Gadjah Mada1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jtrolis.ub.ac.id/index.php/jtrolis/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Phytochemical Analysis, Antioxidant, and Antibacterial Activity of Bidara laut (Strychnos lucida R.Br) Grown in West Bali National Park, Indonesia: Phytochemical Analysis, Antioxidant, and Antibacterial Activity of Bidara laut</dc:title>
	<dc:creator xml:lang="en">Krisnawati</dc:creator>
	<dc:creator xml:lang="en">Anita Apriliani Dwi Rahayu</dc:creator>
	<dc:creator xml:lang="en">Lisna Hidayati</dc:creator>
	<dc:creator xml:lang="en">Rizki Arisandi</dc:creator>
	<dc:creator xml:lang="en">Ganis Lukmandaru</dc:creator>
	<dc:subject xml:lang="en">Antibacterial</dc:subject>
	<dc:subject xml:lang="en">Antioxidant</dc:subject>
	<dc:subject xml:lang="en">Bidara laut</dc:subject>
	<dc:subject xml:lang="en">Phytochemical</dc:subject>
	<dc:subject xml:lang="en"> S. lucida</dc:subject>
	<dc:description xml:lang="en">Strychnos lucida R.Br. is a medicinal plant believed to treat various diseases. The study aimed to identify the phytochemical compounds, total phenolic content (TPC), antioxidant, and antibacterial activity of the root, seed, stem, and leaf of S. lucida. Antioxidant activity was examined using the DPPH method in the methanol extract. The extract of four parts of S. lucida was tested against three bacteria (Bacillus subtilis Inacc-B334, Staphylococcus aureus Inacc-B4, and Escherichia coli Inacc-B5) using the disk diffusion method. The results showed that alkaloids and tannins were detected in all parts of the plant. The highest TPC was shown in root (6%) and the lowest TPC was found in seed extract (4.67%). The antioxidant activity test presented the value of IC50 of the methanol extract of root, seed, stem, and leaf as 129.65 µg/ml, 255.04 µg/ml, 145.28 µg/ml, and 112.96 µg/ml, respectively. Furthermore, the stem showed antibacterial activity by inhibiting the growth of B. subtilis and S. aureus in a concentration of 10% of the sample extract (v/v). Leaf extract has activity against only S. aureus growth in different concentrations (2.5, 5, 10%), while all bacteria were resistant to root and seed extracts. The stem extract showed the highest antioxidant and antibacterial activity compared to other parts.</dc:description>
	<dc:publisher xml:lang="en">Journal of Tropical Life Science</dc:publisher>
	<dc:date>2025-06-26</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jtrolis.ub.ac.id/index.php/jtrolis/article/view/3388</dc:identifier>
	<dc:identifier>10.11594/jtls.15.01.17</dc:identifier>
	<dc:source xml:lang="en">Journal of Tropical Life Science; Vol. 15 No. 1 (2025); 177 – 184</dc:source>
	<dc:source>2527-4376</dc:source>
	<dc:source>2087-5517</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jtrolis.ub.ac.id/index.php/jtrolis/article/view/3388/790</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Journal of Tropical Life Science</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>