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The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk

Received: 16 December 2016    Accepted: 29 January 2017    Published: 12 April 2017
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Abstract

Soymilk is an aqueous, white, creamy extract produced from soybeans (Glycine max). It is a highly nutritious food drink which contains protein, fat, carbohydrates vitamins and minerals. Recently, there has been an increased demand for foods having long shelf-life but with presence of minimum or no chemical food additives; therefore, the use of natural preservatives especially culinary herbs and spices in food products has increased. This study set out to investigate the effect of aqueous and ethanol extracts of ginger and garlic on the nutritional properties of soymilk before and after two weeks of storage. The soymilk was prepared using hot extraction method and each sample labeled A, B, C, D and E according to the extract they contain; ginger-ethanolic, ginger-aqueous, garlic-ethanolic and garlic-aqueous respectively while sample E served as the control containing no extract. The samples were stored at ±4°C for sixteen (16) days. The result obtained showed no significant difference (P<0.05) in the % protein, % fat and % ash contents of all the fresh samples when compared with the control. However, after the storage period, there was significant (P<0.05) decrease in the content, % fiber content, % protein content, % carbohydrate, and % fat contents of almost all the treated samples when compared with the control. A significant increase was also observed for the pH value for all treated samples after the storage period when compared with the control, although samples A and D showed a significant increase after the storage period. Samples A, C, and D, showed a significant reduction in % TTA when compared with the control after the storage period.

Published in International Journal of Food Science and Biotechnology (Volume 2, Issue 2)
DOI 10.11648/j.ijfsb.20170202.12
Page(s) 43-50
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), 2024. Published by Science Publishing Group

Keywords

Soymilk, Preservation, Ginger, Garlic, Nutrients

References
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    Ooreofe F. Borode. (2017). The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk. International Journal of Food Science and Biotechnology, 2(2), 43-50. https://doi.org/10.11648/j.ijfsb.20170202.12

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    Ooreofe F. Borode. The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk. Int. J. Food Sci. Biotechnol. 2017, 2(2), 43-50. doi: 10.11648/j.ijfsb.20170202.12

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    AMA Style

    Ooreofe F. Borode. The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk. Int J Food Sci Biotechnol. 2017;2(2):43-50. doi: 10.11648/j.ijfsb.20170202.12

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  • @article{10.11648/j.ijfsb.20170202.12,
      author = {Ooreofe F. Borode},
      title = {The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk},
      journal = {International Journal of Food Science and Biotechnology},
      volume = {2},
      number = {2},
      pages = {43-50},
      doi = {10.11648/j.ijfsb.20170202.12},
      url = {https://doi.org/10.11648/j.ijfsb.20170202.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijfsb.20170202.12},
      abstract = {Soymilk is an aqueous, white, creamy extract produced from soybeans (Glycine max). It is a highly nutritious food drink which contains protein, fat, carbohydrates vitamins and minerals. Recently, there has been an increased demand for foods having long shelf-life but with presence of minimum or no chemical food additives; therefore, the use of natural preservatives especially culinary herbs and spices in food products has increased. This study set out to investigate the effect of aqueous and ethanol extracts of ginger and garlic on the nutritional properties of soymilk before and after two weeks of storage. The soymilk was prepared using hot extraction method and each sample labeled A, B, C, D and E according to the extract they contain; ginger-ethanolic, ginger-aqueous, garlic-ethanolic and garlic-aqueous respectively while sample E served as the control containing no extract. The samples were stored at ±4°C for sixteen (16) days. The result obtained showed no significant difference (P<0.05) in the % protein, % fat and % ash contents of all the fresh samples when compared with the control. However, after the storage period, there was significant (P<0.05) decrease in the content, % fiber content, % protein content, % carbohydrate, and % fat contents of almost all the treated samples when compared with the control. A significant increase was also observed for the pH value for all treated samples after the storage period when compared with the control, although samples A and D showed a significant increase after the storage period. Samples A, C, and D, showed a significant reduction in % TTA when compared with the control after the storage period.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - The Effect of Water and Ethanol Extracts of Ginger and Garlic on the Nutritional Quality and Physico-Chemical Properties of Stored Soymilk
    AU  - Ooreofe F. Borode
    Y1  - 2017/04/12
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ijfsb.20170202.12
    DO  - 10.11648/j.ijfsb.20170202.12
    T2  - International Journal of Food Science and Biotechnology
    JF  - International Journal of Food Science and Biotechnology
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    UR  - https://doi.org/10.11648/j.ijfsb.20170202.12
    AB  - Soymilk is an aqueous, white, creamy extract produced from soybeans (Glycine max). It is a highly nutritious food drink which contains protein, fat, carbohydrates vitamins and minerals. Recently, there has been an increased demand for foods having long shelf-life but with presence of minimum or no chemical food additives; therefore, the use of natural preservatives especially culinary herbs and spices in food products has increased. This study set out to investigate the effect of aqueous and ethanol extracts of ginger and garlic on the nutritional properties of soymilk before and after two weeks of storage. The soymilk was prepared using hot extraction method and each sample labeled A, B, C, D and E according to the extract they contain; ginger-ethanolic, ginger-aqueous, garlic-ethanolic and garlic-aqueous respectively while sample E served as the control containing no extract. The samples were stored at ±4°C for sixteen (16) days. The result obtained showed no significant difference (P<0.05) in the % protein, % fat and % ash contents of all the fresh samples when compared with the control. However, after the storage period, there was significant (P<0.05) decrease in the content, % fiber content, % protein content, % carbohydrate, and % fat contents of almost all the treated samples when compared with the control. A significant increase was also observed for the pH value for all treated samples after the storage period when compared with the control, although samples A and D showed a significant increase after the storage period. Samples A, C, and D, showed a significant reduction in % TTA when compared with the control after the storage period.
    VL  - 2
    IS  - 2
    ER  - 

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Author Information
  • Nutritional and Industrial Biochemistry Unit, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria

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