1. Modeling of Rice Bran Oil Yield and Bioactive Compounds ObtainedUsing Subcritical Carbon Dioxide Soxhlet Extraction (SCDS).
- Author
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Siew Lian Chia, Rabiha Sulaiman, Huey Chern Boo, Kharidah Muhammad, Fizreena Umanan, and Gun Hean Chong
- Subjects
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RICE oil , *CHEMICAL yield , *BIOACTIVE compounds , *EXTRACTION (Chemistry) , *CHEMICAL processes - Abstract
Subcritical carbon dioxide Soxhletextraction (SCDS) is an innovative green technology that has beenproven capable of extracting 10 times more bioactive compounds thanhexane in rice bran oil extraction. As this technology has commercializationpotential, understanding the extraction behavior and modeling theextraction curves are essential. In this study, the extraction kineticsof rice bran oil and its bioactive compounds, namely, α-, β-,γ-, and δ-tocopherol; α-, γ-, and δ-tocotrienol;and γ-oryzanol, are discussed and modeled using the diffusionmodel (DM), logistic model (LM), and simple single plate model (SSPM).Overall, the extraction rate of the oil yield and bioactive compoundswas halved after 7 h of extraction. After 15 h of extraction, up to94.24% of the extractable total tocopherol and 91.79% of the extractabletotal tocotrienol were extracted. The SSPM is recommended for modelingoil yield and oryzanol, while LM is suitable to model tocopherolsand tocotrienols. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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