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Study of Variations in Concentration of Stearic Acid and Amonium Molybdate on Physical Characteristics of Bioplastic Smart Packaging

Authors

  • Ni Putu Ayu Prya Chandani Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian Universitas Udayana, Badung, Bali, Indonesia
  • Ni Luh Yulianti Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian Universitas Udayana, Badung, Bali, Indonesia
  • Yohanes Setiyo Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian Universitas Udayana, Badung, Bali, Indonesia

DOI:

https://doi.org/10.24843/JBETA.2023.v11.i02.p09

Keywords:

ammonium molybdate, bioplastic smart packaging, physical characteristics, stearic acid

Abstract

Smart packaging is packaging that has the ability to provide information about the quality of packaged
products directly by utilizing a number of compounds that act as indicators of the quality of the packaged
product, so that research on smart packaging is feasible. This study was conducted to obtain the influence
of stearic acid concentrations and ammonium molybdate on the physical characteristics of bioplastic smart
packaging; determine the treatment that produces the physical characteristics of the best bioplastic smart
packaging according to SNI and get the response of bioplastic smart packaging indicators to the maturity
level of avocado fruit. This study used a two-factor Randomized Group Design. The first factor is the stearic
acid concentration which consists of 3 levels, specifically 0.4%, 0.5% and 0.6%. The second factor is the
concentration of ammonium molybdate which consists of 3 levels, specifically 1g, 2g and 3g. The results
showed that the interaction between treatments had a significant influence on the parameters of elongation,
tensile strength, swelling, thickness and elasticity. The best treatment was obtained in the use of stearic acid
concentration of 0.4% and 1g of ammonium molybdate which resulted in a tensile strength value of 13.85
MPa, elongation value of 3.60%, an elasticity value of 384.93 MPa, a swelling value of 0.81% and a
bioplastic thickness value of 0.23 mm. The conclusion of this study is that the treatment of stearic acid
concentration of 0.4% and 1g of ammonium molybdate is the best treatment that is able to respond to the
maturity level of avocado fruits in the form of a change in the color of the resulting packaging.

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Published

2023-09-30 — Updated on 2026-02-09

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How to Cite

Chandani, N. P. A. P., Yulianti, N. L., & Setiyo, Y. (2026). Study of Variations in Concentration of Stearic Acid and Amonium Molybdate on Physical Characteristics of Bioplastic Smart Packaging . Jurnal BETA (Biosistem Dan Teknik Pertanian), 11(2), 316–324. https://doi.org/10.24843/JBETA.2023.v11.i02.p09 (Original work published September 30, 2023)

Issue

Vol. 11 No. 2 (2023): September

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