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Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril

Received: 31 December 2015     Accepted: 12 January 2016     Published: 25 January 2016
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Abstract

The purpose of this study was to improve the oil yield extracted from Gac fruit aril (Momordica cochinchinensis Spreng) by applying hydrolytic enzyme and to evaluate functional properties of the extracted Gac oil as influenced by different enzyme concentrations, incubation times and drying temperatures. Fresh Gac aril was treated with commercial enzyme (Viscozyme L) (0-0.2%) for a period of time (40 - 120 min), dried at a certain temperature (40 -70°C) and then extracted with hexane for oil recovery. The best conditions for Gac aril extraction were 0.15% enzyme concentration, 100 min incubation time and drying temperature 60°C. Under these conditions, the oil recovery rate was of 96.39% with the total carotenoid content of 196.47 mg/100g. The resulted oil recovery rate (89.74%) and total carotenoid content (132.16 mg/100g) were significantly higher than those from the oil without enzymatic treatment. The peroxide value (8.73 meqO2/kg) and free fatty acid value (3.58 mg KOH/g oil) of the extracted Gac oil was comparable with oil by other methods. The Gac oil was rich in un-saturated fatty acids (oleic acid 48.99%, linoleic acid 21.09% and linolenic acid 0.86%), high in palmitic acid (24.18%) but low in stearic acid (3.52%). Application of Viscozyme L helped to increase significantly the oil recovery yield and total carotenoid content in oil, meanwhile, the oil was of good quality in terms of oxidative stability.

Published in Journal of Food and Nutrition Sciences (Volume 4, Issue 1)
DOI 10.11648/j.jfns.20160401.11
Page(s) 1-6
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

Enzyme-Assisted Extraction, Free Fatty Acid, Gac Oil, Peroxide Value, Total Carotenoid

References
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    Tran Thi Yen Nhi, Dang Quoc Tuan. (2016). Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril. Journal of Food and Nutrition Sciences, 4(1), 1-6. https://doi.org/10.11648/j.jfns.20160401.11

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    ACS Style

    Tran Thi Yen Nhi; Dang Quoc Tuan. Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril. J. Food Nutr. Sci. 2016, 4(1), 1-6. doi: 10.11648/j.jfns.20160401.11

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    AMA Style

    Tran Thi Yen Nhi, Dang Quoc Tuan. Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril. J Food Nutr Sci. 2016;4(1):1-6. doi: 10.11648/j.jfns.20160401.11

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  • @article{10.11648/j.jfns.20160401.11,
      author = {Tran Thi Yen Nhi and Dang Quoc Tuan},
      title = {Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril},
      journal = {Journal of Food and Nutrition Sciences},
      volume = {4},
      number = {1},
      pages = {1-6},
      doi = {10.11648/j.jfns.20160401.11},
      url = {https://doi.org/10.11648/j.jfns.20160401.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jfns.20160401.11},
      abstract = {The purpose of this study was to improve the oil yield extracted from Gac fruit aril (Momordica cochinchinensis Spreng) by applying hydrolytic enzyme and to evaluate functional properties of the extracted Gac oil as influenced by different enzyme concentrations, incubation times and drying temperatures. Fresh Gac aril was treated with commercial enzyme (Viscozyme L) (0-0.2%) for a period of time (40 - 120 min), dried at a certain temperature (40 -70°C) and then extracted with hexane for oil recovery. The best conditions for Gac aril extraction were 0.15% enzyme concentration, 100 min incubation time and drying temperature 60°C. Under these conditions, the oil recovery rate was of 96.39% with the total carotenoid content of 196.47 mg/100g. The resulted oil recovery rate (89.74%) and total carotenoid content (132.16 mg/100g) were significantly higher than those from the oil without enzymatic treatment. The peroxide value (8.73 meqO2/kg) and free fatty acid value (3.58 mg KOH/g oil) of the extracted Gac oil was comparable with oil by other methods. The Gac oil was rich in un-saturated fatty acids (oleic acid 48.99%, linoleic acid 21.09% and linolenic acid 0.86%), high in palmitic acid (24.18%) but low in stearic acid (3.52%). Application of Viscozyme L helped to increase significantly the oil recovery yield and total carotenoid content in oil, meanwhile, the oil was of good quality in terms of oxidative stability.},
     year = {2016}
    }
    

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  • TY  - JOUR
    T1  - Enzyme Assisted Extraction of GAC Oil (Momordica cochinchinensis Spreng) from Dried Aril
    AU  - Tran Thi Yen Nhi
    AU  - Dang Quoc Tuan
    Y1  - 2016/01/25
    PY  - 2016
    N1  - https://doi.org/10.11648/j.jfns.20160401.11
    DO  - 10.11648/j.jfns.20160401.11
    T2  - Journal of Food and Nutrition Sciences
    JF  - Journal of Food and Nutrition Sciences
    JO  - Journal of Food and Nutrition Sciences
    SP  - 1
    EP  - 6
    PB  - Science Publishing Group
    SN  - 2330-7293
    UR  - https://doi.org/10.11648/j.jfns.20160401.11
    AB  - The purpose of this study was to improve the oil yield extracted from Gac fruit aril (Momordica cochinchinensis Spreng) by applying hydrolytic enzyme and to evaluate functional properties of the extracted Gac oil as influenced by different enzyme concentrations, incubation times and drying temperatures. Fresh Gac aril was treated with commercial enzyme (Viscozyme L) (0-0.2%) for a period of time (40 - 120 min), dried at a certain temperature (40 -70°C) and then extracted with hexane for oil recovery. The best conditions for Gac aril extraction were 0.15% enzyme concentration, 100 min incubation time and drying temperature 60°C. Under these conditions, the oil recovery rate was of 96.39% with the total carotenoid content of 196.47 mg/100g. The resulted oil recovery rate (89.74%) and total carotenoid content (132.16 mg/100g) were significantly higher than those from the oil without enzymatic treatment. The peroxide value (8.73 meqO2/kg) and free fatty acid value (3.58 mg KOH/g oil) of the extracted Gac oil was comparable with oil by other methods. The Gac oil was rich in un-saturated fatty acids (oleic acid 48.99%, linoleic acid 21.09% and linolenic acid 0.86%), high in palmitic acid (24.18%) but low in stearic acid (3.52%). Application of Viscozyme L helped to increase significantly the oil recovery yield and total carotenoid content in oil, meanwhile, the oil was of good quality in terms of oxidative stability.
    VL  - 4
    IS  - 1
    ER  - 

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Author Information
  • Department of Food Technology, International University, Vietnam National University -Ho Chi Minh City, Vietnam

  • Department of Food Technology, International University, Vietnam National University -Ho Chi Minh City, Vietnam

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