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KMID : 0613820090190091284
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Journal of Life Science
2009 Volume.19 No. 9 p.1284 ~ p.1288
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Deodorization of Purified Fish Oil from Squids by Organic Acids
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Jang Min-Kyung
Lee Ok-Hee
Kim Nam-Young
Yoo Ki-Hwan
Jang Hye-Ji
Lee Seung-Woo
Lee Sang-Hyeon
Park Mi-Ra
Park Joung-Hyun
Kim Mi-Hyang
Ha Jong-Myung
Bae Song-Ja
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Abstract
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To produce high quality fish oil products, additional deodorization experiments on purified fish oil from squid using columns filled with citric acid or gluconic acid were performed. A deodorization effect on the fish oil was observed on both the citric acid and gluconic acid columns. These effects were more efficient on the columns packed with 3 g of organic acid than those with 1 g or 2 g of organic acid. In addition, a better effect was observed in the column packed with gluconic acid than that with citric acid. Peroxide value (POV) and acid value (AV) of the sample treated with citric acid was the as same as the non-treated sample. However, POV and AV of the sample treated with gluconic acid were about 10% higher than the non-treated sample. Contents of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) of the samples treated with citric acid or gluconic acid columns were about 0.5% higher than the non-treated sample. In conclusion, deodorization of squid fish oil by organic acid could be an efficient method to produce high quality fish oil products.
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KEYWORD
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Citric acid, deodorization, fish oil, gluconic acid, organic acid, squid
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