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- Title
THE EFFECT OF GLYCEROL AND SAGO STARCH ADDITION ON THE CHARACTERISTICS OF BIOPLASTICS BASED ON ORANGE PEEL PECTIN.
- Authors
AL FATH, MUHAMMAD THORIQ; AYU, GHENDIS EKAWATI; HASIBUAN, GINA CYNTHIA RAPHITA; DALIMUNTHE, NISAUL FADILAH; ALEXANDER, VIKRAM
- Abstract
Sustainable food packaging materials have significant interest in addressing environmental issues by making renewable substitutes such as bioplastics based on pectin. Orange peel has a relatively high pectin content of 42.5%, which can be synthesized into bioplastics. Pectin-based bioplastics tend to have limitations in terms of mechanical and physical strength due to the hygroscopic nature of pectin. This study aims to determine the effect of adding glycerol and sago starch on the characteristics of orange peel pectinbased bioplastics. The casting method was used in the bioplastic formulation using the variation of the pectin:starch ratio (75:25, 65:35, 55:45; and 50:50%) and glycerol composition (10, 20, 30, and 40%). Based on the results, the pectin obtained was categorized as low methoxyl pectin and ester pectin. The characterizations of bioplastics achieved the maximum value of the tensile strength of bioplastics was 4.22 MPa, obtained by adding pectin:starch (50:50%) and 10% glycerol. The maximum value of the elongation properties at the break of bioplastics is 24%, obtained by adding the composition of pectin:starch (75:25%) and 40% glycerol. The more additions of the pectin:starch and glycerol composition result in a higher water vapor evaporation rate. Hence, utilizing orange peel pectin-based bioplastics offers a sustainable solution by exploring repurposing waste to create bioplastics for food packaging, thereby contributing to environmental preservation.
- Subjects
ORANGE peel; PECTINS; BIODEGRADABLE plastics; PACKAGING materials; STARCH; FOOD packaging
- Publication
Chemical Industry & Chemical Engineering Quarterly, 2024, Vol 30, Issue 4, p359
- ISSN
1451-9372
- Publication type
Article
- DOI
10.2298/CICEQ231214007A