ADININGSIH, RIA (2020) OPTIMASI EKSTRAKSI MINYAK DEDAK PADI DENGAN PELARUT ETIL ASETAT MENGGUNAKAN RESPONSE SURFACE METHODOLOGY (RSM). Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

Indonesia is an agrarian country where one of its main commodities is rice, based on BPS data in 2015 rice has been produced with a total amount of around 75.4 million tons. The rice milling process will produce 10% bran consisting of 17-22% rice bran oil. This oil is the result of rice bran extraction which contains high antioxidant (γ-oryzanol, tocopherol and tocotrienol) that are useful for pharmacy, cosmetics, and health. This research aimed to find out the solvent ratio and optimum extraction time toward the yield obtained using the ethyl acetate solvent, 60 mesh and 100 mesh of rice bran, 15 minutes stabilization on 110°C, and independent variable suitable with the run on the response surface method (RSM). This research used soxhlet extraction. The results showed the optimum solvent ratio was 1 : 447,1405 with 3,8857 hours of optimum extraction time, the optimum yield was 10.8764%, in the range of solvent ratios of 300ml, 400ml, 500ml, extraction time was 2.5 hours, 3.5 hours, 4.5 hours. Density 0.918, and free fatty acid contents 5.2%.

Item Type: Thesis (Bachelor)
Uncontrolled Keywords: Rice bran, rice bran oil, yield, optimization, soxhlet extraction, surface response method (RSM)
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Tekniik Dan Sains > Teknik Kimia S1
Depositing User: Agus Imam
Date Deposited: 10 Aug 2022 02:21
Last Modified: 14 May 2024 01:24
URI: http://repository.ump.ac.id/id/eprint/13475
Nama Dospem
Name
NIDN UMP
Dosen Pembimbing
Mulyadi, Abdul Haris
unspecified

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