Nadira, Nadira (2015) PEMANFAATAN TONGKOL JAGUNG (Zea mays L.) UNTUK MEMPERBAIKI KUALITAS MINYAK JELANTAH. Diploma thesis, Universitas Andalas.
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Abstract
The study of requality used cooking oil was done with corn cobs (Zea mays L.) as sorbent. In this research parameters studied were weight variation corncobs are 5, 10, 15, and 20 g and contact time is 7, 14, 21, and 28 days was studied for analysis of colour, free fatty acid (FFA), peroxide value (PV), and concentration of cholesterol. The results showed that the optimum condition of the variation of the weight is 15 g and contact time is 28 days. The percentage of decrease colour could reduced 29,1349%, FFA 87,1815% and PV 75,5602%. Analysis concentration of cholesterol for total cholesterol reduced 108,9 mg/dL, triglycerides 128,78 mg/dL, low density lipoprotein 58,2 mg/dL, and malondialdehyde 5.88 nmol/mL. The data of SEM seem had porous morphology at surface corn cobs.
| Item Type: | Thesis (Diploma) |
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| Subjects: | Q Science > QD Chemistry |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia |
| Depositing User: | s1 kimia kimia |
| Date Deposited: | 14 Mar 2016 07:18 |
| Last Modified: | 14 Mar 2016 07:18 |
| URI: | http://scholar.unand.ac.id/id/eprint/3514 |
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