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Comparative performance of tapioca-starch bioplastics reinforced with pandan and grass jelly extracts

Mechanical Engineering for Society and Industry · Vol. 6 No. 1 (2026) · hlm. 271–284

DOI
10.31603/mesi.16050
ISSN
2798-5245
Terbit
2026-06-10
Penerbit
Universitas Muhammadiyah Magelang
Bahasa
en
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The development of biodegradable plastics with tunable performance is critical for replacing petroleum-based polymers in engineering applications. This study systematically compares tapioca-starch-based bioplastics reinforced with Pandanus amaryllifolius (PA) and Cyclea barbata Miers (CBM) extracts to elucidate their structure–property–degradation relationships. Bioplastic films were fabricated via solution casting and characterized through mechanical testing, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), soil-burial biodegradation tests, and scanning electron microscopy (SEM). The results show that pandan–tapioca films (PTF) exhibit higher tensile strength and Young’s modulus, which are likely associated with the presence of lignocellulosic constituents in the pandan-derived extract and a more compact microstructural organization. In contrast, grass-jelly–tapioca films (GTF) demonstrate higher elongation at break, which may be related to the presence of water-soluble polysaccharide constituents in the CBM-derived extract that promote greater polymer-chain mobility. Differences in intermolecular interactions and morphology directly govern thermal resistance and degradation behavior, with PTF showing controlled degradation and GTF exhibiting rapid environmental breakdown. These findings establish a comparative materials-design framework for tailoring starch-based bioplastics toward specific mechanical durability and service-life requirements.

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  • University of Brawijaya
  • Nanyang Technological University
  • Universiti Teknikal Malaysia Melaka
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Rekan penulisOrganisasiArtikel bersama
Nur AzizahUniversity of Brawijaya1
Sri Lestari PurnamaningsihUniversity of Brawijaya1
Djarot Bangun DarmadiUniversity of Brawijaya1
Teguh Dwi WidodoUniversity of Brawijaya1
Rudianto RaharjoUniversity of Brawijaya1
Redi BintartoUniversity of Brawijaya1
Sugiarto SugiartoUniversity of Brawijaya1
Sagita SagitaUniversity of Brawijaya1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unimma.ac.id/index.php/mesi/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">Comparative performance of tapioca-starch bioplastics reinforced with pandan and grass jelly extracts</dc:title>
	<dc:creator xml:lang="en">Setyarini, Putu Hadi</dc:creator>
	<dc:creator xml:lang="en">Wahid, Abdul Mujib Sulaiman</dc:creator>
	<dc:creator xml:lang="en">‘Atieq, Madza Awwalul</dc:creator>
	<dc:creator xml:lang="en">Zulkarnain, Muhammad Rif’at</dc:creator>
	<dc:creator xml:lang="en">Fajriani, Sisca</dc:creator>
	<dc:creator xml:lang="en">Dewi, Francisca Gayuh Utami</dc:creator>
	<dc:creator xml:lang="en">Sulistyarini, Dwi Hadi</dc:creator>
	<dc:creator xml:lang="en">Setiawan, Ferry Bayu</dc:creator>
	<dc:subject xml:lang="en">Tapioca starch</dc:subject>
	<dc:subject xml:lang="en">Pandanus amaryllifolius</dc:subject>
	<dc:subject xml:lang="en">Cyclea barbata Miers</dc:subject>
	<dc:subject xml:lang="en">Bioplastics</dc:subject>
	<dc:subject xml:lang="en">Lignocellulosic reinforcement</dc:subject>
	<dc:subject xml:lang="en">Hydrocolloids</dc:subject>
	<dc:subject xml:lang="en">Biodegradation</dc:subject>
	<dc:description xml:lang="en">The development of biodegradable plastics with tunable performance is critical for replacing petroleum-based polymers in engineering applications. This study systematically compares tapioca-starch-based bioplastics reinforced with Pandanus amaryllifolius (PA) and Cyclea barbata Miers (CBM) extracts to elucidate their structure–property–degradation relationships. Bioplastic films were fabricated via solution casting and characterized through mechanical testing, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), soil-burial biodegradation tests, and scanning electron microscopy (SEM). The results show that pandan–tapioca films (PTF) exhibit higher tensile strength and Young’s modulus, which are likely associated with the presence of lignocellulosic constituents in the pandan-derived extract and a more compact microstructural organization. In contrast, grass-jelly–tapioca films (GTF) demonstrate higher elongation at break, which may be related to the presence of water-soluble polysaccharide constituents in the CBM-derived extract that promote greater polymer-chain mobility. Differences in intermolecular interactions and morphology directly govern thermal resistance and degradation behavior, with PTF showing controlled degradation and GTF exhibiting rapid environmental breakdown. These findings establish a comparative materials-design framework for tailoring starch-based bioplastics toward specific mechanical durability and service-life requirements.</dc:description>
	<dc:publisher xml:lang="en">Universitas Muhammadiyah Magelang</dc:publisher>
	<dc:date>2026-06-10</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://journal.unimma.ac.id/mesi/article/view/16050</dc:identifier>
	<dc:identifier>10.31603/mesi.16050</dc:identifier>
	<dc:source xml:lang="en">Mechanical Engineering for Society and Industry; Vol. 6 No. 1 (2026); 271-284</dc:source>
	<dc:source>2798-5245</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unimma.ac.id/mesi/article/view/16050/6787</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2026 Putu Hadi Setyarini, Abdul Mujib Sulaiman Wahid, Madza Awwalul ‘Atieq, Muhammad Rif’at Zulkarnain, Sisca Fajriani, Francisca Gayuh Utami Dewi, Dwi Hadi Sulistyarini, Ferry Bayu Setiawan</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>