Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts
Due to their inability to biodegrade, petroleum-based plastics pose significant environmental challenges by disrupting aquatic, marine, and terrestrial ecosystems. Additionally, the widespread presence of microplastics and nanoplastics induces serious health risks for humans and animals. These press...
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MDPI AG
2024-12-01
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| Series: | Foods |
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| Online Access: | https://www.mdpi.com/2304-8158/13/24/4000 |
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| author | Sumi Regmi Sandeep Paudel Srinivas Janaswamy |
| author_facet | Sumi Regmi Sandeep Paudel Srinivas Janaswamy |
| author_sort | Sumi Regmi |
| collection | DOAJ |
| description | Due to their inability to biodegrade, petroleum-based plastics pose significant environmental challenges by disrupting aquatic, marine, and terrestrial ecosystems. Additionally, the widespread presence of microplastics and nanoplastics induces serious health risks for humans and animals. These pressing issues create an urgent need for designing and developing eco-friendly, biodegradable, renewable, and non-toxic plastic alternatives. To this end, agro-industrial byproducts such as soyhulls, which contain 29–50% lignocellulosic residue, are handy. This study extracted lignocellulosic residue from soyhulls using alkali treatment, dissolved it in ZnCl<sub>2</sub> solution, and crosslinked it with calcium ions and glycerol to create biodegradable films. The film formulation was optimized using the Box–Behnken design, with response to tensile strength (TS), elongation at break (EB), and water vapor permeability (WVP). The optimized films were further characterized for color, light transmittance, UV-blocking capacity, water absorption, contact angle, and biodegradability. The resulting optimized film demonstrated a tensile strength of 10.4 ± 1.0 MPa, an elongation at break of 9.4 ± 1.8%, and a WVP of 3.5 ± 0.4 × 10<sup>−11</sup> g·m<sup>−1</sup>·s<sup>−1</sup>·Pa<sup>−1</sup>. Importantly, 90% of the film degrades within 37 days at 24% soil moisture. This outcome underscores the potential of soyhull-derived films as a sustainable, innovative alternative to plastic packaging, contributing to the circular economy and generating additional income for farmers and allied industries. |
| format | Article |
| id | doaj-art-042eba95d38645b9aa00e5d6fd4cd3ff |
| institution | Kabale University |
| issn | 2304-8158 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
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| series | Foods |
| spelling | doaj-art-042eba95d38645b9aa00e5d6fd4cd3ff2024-12-27T14:26:12ZengMDPI AGFoods2304-81582024-12-011324400010.3390/foods13244000Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial ByproductsSumi Regmi0Sandeep Paudel1Srinivas Janaswamy2Department of Dairy and Food Science, South Dakota State University, Brookings, SD 57007, USADepartment of Dairy and Food Science, South Dakota State University, Brookings, SD 57007, USADepartment of Dairy and Food Science, South Dakota State University, Brookings, SD 57007, USADue to their inability to biodegrade, petroleum-based plastics pose significant environmental challenges by disrupting aquatic, marine, and terrestrial ecosystems. Additionally, the widespread presence of microplastics and nanoplastics induces serious health risks for humans and animals. These pressing issues create an urgent need for designing and developing eco-friendly, biodegradable, renewable, and non-toxic plastic alternatives. To this end, agro-industrial byproducts such as soyhulls, which contain 29–50% lignocellulosic residue, are handy. This study extracted lignocellulosic residue from soyhulls using alkali treatment, dissolved it in ZnCl<sub>2</sub> solution, and crosslinked it with calcium ions and glycerol to create biodegradable films. The film formulation was optimized using the Box–Behnken design, with response to tensile strength (TS), elongation at break (EB), and water vapor permeability (WVP). The optimized films were further characterized for color, light transmittance, UV-blocking capacity, water absorption, contact angle, and biodegradability. The resulting optimized film demonstrated a tensile strength of 10.4 ± 1.0 MPa, an elongation at break of 9.4 ± 1.8%, and a WVP of 3.5 ± 0.4 × 10<sup>−11</sup> g·m<sup>−1</sup>·s<sup>−1</sup>·Pa<sup>−1</sup>. Importantly, 90% of the film degrades within 37 days at 24% soil moisture. This outcome underscores the potential of soyhull-derived films as a sustainable, innovative alternative to plastic packaging, contributing to the circular economy and generating additional income for farmers and allied industries.https://www.mdpi.com/2304-8158/13/24/4000agri-industrial byproductvalorizing soyhullslignocellulose extractsustainable and biodegradable packagingcircular economy |
| spellingShingle | Sumi Regmi Sandeep Paudel Srinivas Janaswamy Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts Foods agri-industrial byproduct valorizing soyhulls lignocellulose extract sustainable and biodegradable packaging circular economy |
| title | Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts |
| title_full | Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts |
| title_fullStr | Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts |
| title_full_unstemmed | Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts |
| title_short | Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts |
| title_sort | development of eco friendly packaging films from soyhull lignocellulose towards valorizing agro industrial byproducts |
| topic | agri-industrial byproduct valorizing soyhulls lignocellulose extract sustainable and biodegradable packaging circular economy |
| url | https://www.mdpi.com/2304-8158/13/24/4000 |
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