I Wayan, Sweca Yasa and Eko, Basuki and Saloko, Satrijo and Dody, Handito B17 - SIFAT FISIK DAN MEKANIS LEMBARAN KERING SELULOSA BAKTERI BERBAHAN DASAR LIMBAH HASIL PERTANIAN. Jurnal Ilmiah Rekayasa Pertanian dan Biosistem. ISSN ISSN 2301-8119 (printed version) and e-ISSN number 2443-1354.
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Abstract
The purity of microbial cellulose, particularly bacterial cellulose, depends on the carbon source, purification methods and the acetilation process. This research aim was to identify the appropriate of carbon source from different agricultural waste and the method of purification to produce a dried bacterial cellulose with physical and mechanical characteristics that met the standard of bioplastics for food packaging. The experiments were conducted in laboratory and arranged with completely randomized designs of two factors and three replications. The factors were type of agricultural waste dan methods of purification. The agricultural waste consisted of coconut water, tofu whey, and the waste of pineapples peeling. The purification methods were hidrolyses bacterial cellulose with caustic soda of 0.1% at 100°C for 30 minutes and at 30°C for 24 hours. Data was analyzed with analyses variance at 5 percent level of signficancy and post hoc test with Honestly Significant Difference (HSD) at the same level of significancy. The result showed that interaction between the type of agricultural waste and methods of purification did not affect the physical and mechanical characteristics of the dried bacterial cellulose product. The coconut water from copra production produced the bacterial cellulose with the best physical and mechanical characteristics. The dried bacterial cellulose of coconut water had brownish in colour, smooth, and slighy shrinkage on the surface, the thickness and rendemen was 0.11 cm and 5.35% respectively and the tensile strength, elongation as well as the modulus Young was 74.40 MPa, 7.36%, 2664.16, respectively. The methods of purification with caustic soda of 0.1% at 100°C for 30 minutes had better effect on physical and mechanical characteristic of dried bacterial cellulosa than the caustic soda of 0.1% at 30°C for 24 hours
| Item Type: | Article |
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| Keywords (Kata Kunci): | waste, purification, cellulose |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Fakultas Teknologi Pangan dan Agroindustri |
| Depositing User: | Dr. Ir. Satrijo Saloko , MP. |
| Date Deposited: | 05 Jul 2023 00:29 |
| Last Modified: | 05 Jul 2023 00:29 |
| URI: | http://eprints.unram.ac.id/id/eprint/40844 |
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