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Abstract
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Article Information:
Purification of Sardinella sp., Oil: Centrifugation and Bentonite Adsorbent
S.H. Suseno, Nurjanah, A.M. Jacoeb and Saraswati
Corresponding Author: S.H. Suseno
Submitted: August 24, 2013
Accepted: September 03, 2013
Published: January 10, 2014 |
Abstract:
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Centrifugation and purification using adsorbents is one example of a fish oil refining techniques applied to reduce impurities of fish oil. The study aimed to determine the sardine oil quality before treatment, to determine yield of fish oil after centrifugation treatment and to determine the influence of centrifugation speed and bentonite concentration on sardine oil quality. Factorial design with two factors was used in this study. Level of free fatty acid and peroxide value before purification was 35.53% and 170 mEq/kg. Yield of fish oil after centrifugation treatment has been ranged from 17.42±3.56 to 76.33±0.21%. The best treatment which could reduce the peroxide value and total oxidation was a treatment with centrifugation speed at 6500 rpm and bentonite concentration at 3%. Peroxide value and total oxidation of its treatment was 25.00±0.00 and 51.43±0.01 mEq/kg. The lowest value of p-anisidine was 1.29±0.05 mEq/kg and its value could be found in a treatment with centrifugation speed at 4500 rpm and bentonite concentration at 5%. The level of free fatty acid after purification process was ranged from 27.35 to 34.69%. Oil clarity tended to increase with the increase of centrifugation speed and adsorbent concentration.
Key words: Bentonite, centrifugation, fish oil, purification, Sardinella sp, yield,
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Cite this Reference:
S.H. Suseno, Nurjanah, A.M. Jacoeb and Saraswati, . Purification of Sardinella sp., Oil: Centrifugation and Bentonite Adsorbent. Advance Journal of Food Science and Technology, (1): 60-67.
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ISSN (Online): 2042-4876
ISSN (Print): 2042-4868 |
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