Laila, Mardhiyah Dalimunthe (2021) THE POTENTIAL OF FUNGI ISOLATED FROM Pleurotus ostreatus (Oyster Mushroom) BAGLOG TO DEGRADE PLASTICS. Diploma thesis, Universitas Andalas.
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Abstract
The use of plastic Low Density Polyethylene (LDPE) has been increasing every year. Plastic is naturally realcitrant causing environmental pollution and endangers the ecosystem. Alternative strategies to reduce accumulation of plastic waste have been initiated and implemented from a different aspect including microbial point of view. These study aimed to obtain the potential fungi to degrading plastic. These studies has been conducted from October 2020 to January 2021. Experimentally using purposive sampling technique and the data obtained were analyzed descriptively. Fungi were isolated from Pleurotus ostreatus baglog. It was obtained two fungal isolates SP2 and SP4 based on their ability to grow on PDA and CMC media containing of LDPE sheet. Based on macroscopic and microscopic characteristics, two fungal isolate were identified as Aspergillus niger and Aspergillus ochraceus. The biodegradation test of LDPE sheets for 30 days showed the Aspergillus niger were able to reduce the weight of LDPE by (53%) on transparant plastic, (43%) on black plastic, and (16%) on baglog plastic. The Aspergillus ochraceus were able to reduce the weight of LDPE by (48%) on transparant plastic, (38%) on black plastic, and (13,5%) on baglog plastic. SEM photomicrograph of LDPE showed surface changes into rough, groove, and fungal spores sticks to LDPE surface. Keywords: A. niger, A.ochrceus, Biodegradation, Fungi, Low density polyethylene, Pleurotus ostreatus
| Item Type: | Thesis (Diploma) |
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| Subjects: | Q Science > QR Microbiology |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi |
| Depositing User: | S1 Biologi Biologi |
| Date Deposited: | 03 Sep 2021 04:36 |
| Last Modified: | 03 Sep 2021 04:36 |
| URI: | http://scholar.unand.ac.id/id/eprint/81452 |
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