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Mechanical Properties of Whey–Pectin Edible Films: The Role of Plasticizer Type Fahrullah Fahrullah; Rabyatul Auliah; Wahid Yulianto; Baiq Rani Dewi Wulandani; Bulkaini Bulkaini; Djoko Kisworo; Sukirno Sukirno
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11900

Abstract

Whey protein has been identified as a potential film-forming material; however, its mechanical properties are limited. The objective of this study is to ascertain the impact of plasticizer type on the mechanical properties of edible films composed of whey-pectin. This study employed a completely randomized design (CRD) with three replications. The treatments consisted of three types of plasticizers, namely sorbitol, glycerol, and polyethylene glycol. The obtained data were analyzed using Analysis of Variance (ANOVA), and when significant differences were observed, Duncan’s Multiple Range Test (DMRT) was subsequently applied. The findings demonstrated that the type of plasticizer exerted a negligible influence (P > 0.05) on film thickness, which ranged from 0.15 to 0.16 mm. However, the type of plasticizer had a significant effect (P < 0.05) on tensile strength and elongation. The highest tensile strength was obtained with sorbitol, whereas the highest elongation was obtained with polyethylene glycol. The findings of this study suggest the existence of a trade-off relationship between tensile strength and elongation. Sorbitol has been demonstrated to produce a strong film, while polyethylene glycol has been shown to enhance flexibility.
Co-Authors A. Ashari, A. A. Rai S. Asih Abrori, Muh. Muazdzamzam Lil Agil, Alwi Akhyar Sutaryono Akhyar Sutaryono Aldian Maulana Alfian G. M, Aji Alya Maolani Ami Rahmawati Aminuyati Amir Rohman Andayani, I Gusti Ayu Sri Ardana P Ariana, Tirta Ashari Ashari, M Astawa, Astawa Audina Putri Azhary Noersidiq B. R. D Wulandani B.R.D Wulandari B.R.D. Wulandari Baiq Rani Dewi Wulandani Baiq Rani Dewi Wulandani Baiq Rani Dewi Wulandari Blegoh Julianto, Totok Bq Rani Bq. Rani, DW BRD BRD. Wulandani Buana, I Gusti Ngurah Agung Budi Indarsih Budi Indarsih Budi Rahayu Tanama Putri Caska - Chairussyuhur Arman D. A. WARMADEWI D. Kisworo D.W. Sari Dahlanuddin Dahlanuddin Dahlanuddin, Dahlanuddin Depamede, Sulaiman N Dewi Wulandani, Baiq Rani DIAN MAULANA Djoko Kiswolro Djoko Kisworo Djoko Kisworo Djoko Kisworo Djoko Kisworo Djoko Kisworo Djoko Kisworo Djoko Kisworo Djoko Kisworo Dwi Anggara Ristami Dwyardi E. Suryanto Edi Suryanto Eliza Apriana Elsya Mayori Enny Yuliani Enny Yuliani Eny Yuliani Fahrullah Fahrullah Fahrullah, Fahrullah Fajariswana Fatahullah Fiarani, Mesil Fitri Handayani Fitriani, Baik Mesy Darita Gde Bidura Gifari, Zaid Al Ginting, Trydha Yanti Gunawan HARYANTO Haryanto Haryanto Haryanto Haryanto Haryanto Haryanto Hasma Hasma Hermasyah I . W. Karda, I . W. I Gusti Nyoman Gde Bidura I K Sumadi I Ketut Sumadi I Ketut Wiryawan I N. T. ARIANA I Nym. Sadia I Nyoman Sumerta Miwada I Wayan Karda I Wayan Karda Ichsan Ichsan Ikhwan Firhamsah Imron Hadi Iswaini, Dedy Jurnal Pepadu K. Sumadi Kartika Kartika Kertanegara Ketut Gde, Wiryawan Ketut, Sumadi Lalu Ahmad Zainuri Lalu Naif Zaharani Liana Dewi Lina Permatasari M Ashari M. Alfatih Made Sriasih, Made Malta, Lilik Marpuah Maskur Maskur Maskur Maskur Maskur Maskur Maskur Maskur Mastur Mastur - Mastur Mastur Mastur Mastur Maulana Mohammad Hasil Tamzil Muhamad Aprizal Akbar Muhamad Ashari Muhammad Ashari Muhammad Dohi Muhammad Haikal Fikri Muhammad Yasin Muhzi Muhzi Multazam, Syamsul Mulyani, Anisa Mutia S N. Haiza N. W. Siti Ni Wayan Siti Noviani Adhiningsih Novizar Nazir O. B. I. P. A, Yanesti Parwati Patullah, Holi Permatasari, Lina Pertiwi, Indah Cahya Prastiwi, Rizky Wahyu Pujiarti, Ayu Purnamasari, Iga Larashati Putra, Made Krisna Suryana Putri, Baiq Alisa Nakita Putri, Enisa Padila Rabiatul Adawiyah Rabyatul Auliah Rahmawati, Lilik Rani Wulandani Rini Mastuti Rini Mastuti Rosyidi, A. Samiadi (Samiadi) Satifayanti, Nusiferra Septian, I Gede Nano Silvia Slamet Pratama Soeparno Soeparno Soeparno Soeparno Sri . Handayani Sukarne Sukarne Sukarne, Sukarne Sukirno SUKIRNO Sukirno Sukirno Sulaiman Ngongu Depamede Sumadi Sumadi, I. K Sumirtha, Miwada supristiwendi supristiwendi Sutama Sutaryono, Yusuf Sutaryono, Yusuf Akhyar Syafatullah, Aqsal Ilham Syamsuhaidi Syamsuhaidi, Syamsuhaidi Syuqroni, Muhammad Tarmizi Tarmizi Tokan, Stefania Lorensa Ina Twen O. Dami Dato Ulkiyah, Kalisom Utami, Rosdiana Vebera Maslami W. Yulianto Wahid Yiulianto Wahid Yuliant Wahid Yulianto Wahid Yulianto Wahid Yulianto Wahyu Akbar Wilya Wirayuda, Hasan Wrasiati, Wrasiati Wulandani, Baiq Rani Dewi Yulianto, W Yulianto, Wahid Yusuf Sutaryono Zahra, Siti Astiti Zuana