Optimization of Rice Bran Oil Bleaching via Carotenoid Adsorption onto Activated Carbon using Response Surface Methodology (RSM)

Astrilia - Damayanti; Harianingsih Harianingsih; zuhriyan Ash Shiddieqy Bahlawan; Shohib Qomad Dillah; Yasinda Verrel Dinara Shinka Dewi; Silvia Yolanda Kristi; Ridwan Anung Prasetyo

doi:10.14710/reaktor.23.2.53-61

DOI: https://doi.org/10.14710/reaktor.23.2.53-61

Optimization of Rice Bran Oil Bleaching via Carotenoid Adsorption onto Activated Carbon using Response Surface Methodology (RSM)

*Astrilia - Damayanti

- Universitas Negeri Semarang, Indonesia

Harianingsih Harianingsih - Universitas Negeri Semarang, Indonesia

zuhriyan Ash Shiddieqy Bahlawan - Universitas Negeri Semarang, Indonesia

Shohib Qomad Dillah - PT. Sirtanio Organik Indonesia, Indonesia

Yasinda Verrel Dinara Shinka Dewi - Universitas Negeri Semarang, Indonesia

Silvia Yolanda Kristi - Universitas Negeri Semarang, Indonesia

Ridwan Anung Prasetyo - Universitas Negeri Semarang, Indonesia

Received: 16 Jul 2023; Published: 31 Aug 2023.

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Abstract

Rice bran oil (RBO) is a by-product of rice processing with a good fatty acid profile and high oxidative stability. This study aims to optimize the bleaching stage of the rice bran oil refining process to determine the minimum levels of carotenoids in RBO by using the Response Surface Methodology (RSM). This research used the Central Composite Design (CCD) experimental design with three variables: bleaching temperature (50, 80, 110⁰C), bleaching time (20, 40, 60 minutes), and activated carbon concentration (0.4, 0.8, 1.2%). As a result, the model was enhanced to explain the correlation of each variable and the different data variations. This study employed the Derringer method to determine the most optimal variable variation that produces the lowest carotene levels. This study found that the optimal carotene level was 4.87 mg/kg with an activated carbon concentration of 1.18%, temperature of 50⁰C, and time of 53.155 minutes.

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Section: Research Article

Language : EN

In Volume 23 No.2 August 2023

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