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Diversity of Hoya Species across Three Plantation Landscapes in Jember Regency and the Phytochemical and Antioxidant Potential of Hoya lacunosa Blume

Biosaintifika: Journal of Biology & Biology Education · Vol. 17 No. 3 (2025) · hlm. 537–549

DOI
10.15294/biosaintifika.v17i3.22001
ISSN
2338-7610, 2085-191X
Terbit
2025-11-18
Penerbit
Universitas Negeri Semarang
Bahasa
eng

Abstrak

Jember Regency encompasses several plantation areas characterized by diverse ecological conditions, notably the Gumitir, Garahan, and Tancak plantations. Among the flora in these regions, the genus Hoya is notable for its medicinal potential. This study aimed to characterize the diversity of Hoya species, provide detailed morphological documentation, and evaluate the phytochemical and antioxidant properties of a medicinally used species. Field exploration employed a systematic plot-based design consisting of 150 plots (5 × 5 m²) with 3 m spacing. The most vegetatively dominant species, Hoya lacunosa, was subjected to GC–MS phytochemical analysis and DPPH-based antioxidant evaluation. A total of eleven Hoya species were recorded across the three plantation sites. The Gumitir plantation exhibited the highest diversity, containing ten species., i.e. Hoya burtoniae, H. camphorifolia, H. carnosa, H. cinnamomifolia, H. dennisii, H. fuscomarginata, H. lacunosa, H. micrantha, H. purpureofusca, and two unidentified Hoya spp. In contrast, the Garahan plantation supported only H. dennisii and H. fuscomarginata, while H. lacunosa was exclusively found in Tancak indicating a highly localized distribution. GC-MS profiling on H. lacunosa leaves revealed 26 compounds, comprising 16 secondary metabolites (12 phenolics, 2 alkaloids, and 2 terpenes) and 5 primary metabolites. The methanol extract exhibited strong antioxidant activity (IC₅₀ = 50.89 ppm), reflecting its potential as a natural source of bioactive compounds. These findings demonstrate substantial Hoya diversity in Jember Regency and underscore the potential of H. lacunosa as a valuable source of bioactive metabolites for pharmaceutical development.

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  • Institut Agama Islam Negeri Kendari
  • University of Brawijaya
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Rekan penulisOrganisasiArtikel bersama
Arif Mohammad SiddiqAfiliasi tidak diketahui4
Tri HandoyoAfiliasi tidak diketahui3
Dyah Retno WulandariAfiliasi tidak diketahui3
Abdillah Maulana FarhanAfiliasi tidak diketahui3
Noor Azizah GilaniAfiliasi tidak diketahui3
Firda FadriAfiliasi tidak diketahui2
Munaa Aqidatul UlaaAfiliasi tidak diketahui2
Agung Sih KurniantoAfiliasi tidak diketahui2
Puji FirmansyahAfiliasi tidak diketahui1
Arif Mohammad SiddiqAfiliasi tidak diketahui1
Annisaa Aprilia PalupiAfiliasi tidak diketahui1
Nilasari DewiAfiliasi tidak diketahui1
Hari SulistyowatiAfiliasi tidak diketahui1
Husnul KhowatiniAfiliasi tidak diketahui1
Roni YuliantoAfiliasi tidak diketahui1
Anggun Sausan FirdausAfiliasi tidak diketahui1
Afina AninnasAfiliasi tidak diketahui1
Samsuri SamsuriInstitut Agama Islam Negeri Kendari1
Estri Laras ArumingtyasAfiliasi tidak diketahui1
Retno MastutiUniversity of Brawijaya1
Wachju SubchanAfiliasi tidak diketahui1
Sukron RomadhonaAfiliasi tidak diketahui1
Sugeng WinarsoAfiliasi tidak diketahui1
Bambang HermiyantoAfiliasi tidak diketahui1
Marga MandalaAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/biosaintifika/oai, pertama di-harvest 5 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Diversity of Hoya Species across Three Plantation Landscapes in Jember Regency and the Phytochemical and Antioxidant Potential of Hoya lacunosa Blume</dc:title>
	<dc:creator xml:lang="en">Ulum, Fuad bahrul</dc:creator>
	<dc:creator xml:lang="en">Hayyinah, Asa Hanifatul </dc:creator>
	<dc:creator xml:lang="en">Sulistiyowati, Hari </dc:creator>
	<dc:creator xml:lang="en">Ratnasari, Tri </dc:creator>
	<dc:creator xml:lang="en">Su'udi, Mukhamad</dc:creator>
	<dc:creator xml:lang="en">Dwinianti, Edia Fitri </dc:creator>
	<dc:creator xml:lang="en">Setyati, Dwi </dc:creator>
	<dc:subject xml:lang="en">antioxidant</dc:subject>
	<dc:subject xml:lang="en">bioactive</dc:subject>
	<dc:subject xml:lang="en">GC-MS</dc:subject>
	<dc:subject xml:lang="en">Hoya</dc:subject>
	<dc:subject xml:lang="en">plantation</dc:subject>
	<dc:description xml:lang="en">Jember Regency encompasses several plantation areas characterized by diverse ecological conditions, notably the Gumitir, Garahan, and Tancak plantations. Among the flora in these regions, the genus Hoya is notable for its medicinal potential. This study aimed to characterize the diversity of Hoya species, provide detailed morphological documentation, and evaluate the phytochemical and antioxidant properties of a medicinally used species. Field exploration employed a systematic plot-based design consisting of 150 plots (5 × 5 m²) with 3 m spacing. The most vegetatively dominant species, Hoya lacunosa, was subjected to GC–MS phytochemical analysis and DPPH-based antioxidant evaluation. A total of eleven Hoya species were recorded across the three plantation sites. The Gumitir plantation exhibited the highest diversity, containing ten species., i.e. Hoya burtoniae, H. camphorifolia, H. carnosa, H. cinnamomifolia, H. dennisii, H. fuscomarginata, H. lacunosa, H. micrantha, H. purpureofusca, and two unidentified Hoya spp. In contrast, the Garahan plantation supported only H. dennisii and H. fuscomarginata, while H. lacunosa was exclusively found in Tancak indicating a highly localized distribution. GC-MS profiling on H. lacunosa leaves revealed 26 compounds, comprising 16 secondary metabolites (12 phenolics, 2 alkaloids, and 2 terpenes) and 5 primary metabolites. The methanol extract exhibited strong antioxidant activity (IC₅₀ = 50.89 ppm), reflecting its potential as a natural source of bioactive compounds. These findings demonstrate substantial Hoya diversity in Jember Regency and underscore the potential of H. lacunosa as a valuable source of bioactive metabolites for pharmaceutical development.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Semarang</dc:publisher>
	<dc:date>2025-11-18</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/biosaintifika/article/view/22001</dc:identifier>
	<dc:identifier>10.15294/biosaintifika.v17i3.22001</dc:identifier>
	<dc:source xml:lang="en">Biosaintifika: Journal of Biology &amp; Biology Education; Vol. 17 No. 3 (2025): November 2025; 537-549</dc:source>
	<dc:source>2338-7610</dc:source>
	<dc:source>2085-191X</dc:source>
	<dc:source>10.15294/biosaintifika.v17i3</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/biosaintifika/article/view/22001/7310</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Biosaintifika: Journal of Biology &amp; Biology Education</dc:rights>
</oai_dc:dc>