Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition
Corn starch is considered a good vehicle for delivering bioactive compounds such as supplements or health promoting additives. The ability of starch treated by high hydrostatic pressure (HHP) to bind and carry zinc and magnesium salts and natural antioxidants of yerba mate (Ilex paraguariensis) extracts was tested. A uniform distribution of the minerals on the surface of starch granules was observed by SEM–EDX and significantly higher amounts of minerals were loaded by HHP treated starches. Calorimetric analysis showed the effect of both HHP treatment and the active compounds addition, while crystal fraction was determined by X-ray diffraction, denoting the presence of minerals in the starch granule. It was found that the type of starch carrier did not affect total polyphenol loading. Besides, HPLC analysis showed that the relative composition of polyphenols from yerba mate extract was maintained. These results support the use of HHP treated corn starch as an alternative carrier for molecules of nutritional interest into food systems.
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Elsevier
2015
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Online Access: | http://hdl.handle.net/10261/122495 http://dx.doi.org/10.13039/501100004837 |
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dig-ictan-es-10261-1224952018-11-28T11:55:08Z Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition Schneider Teixeira, Aline Navarro, Alba S. Molina García, Antonio D. Martino, Mirian N. Deladino, Lorena Ministerio de Ciencia e Innovación (España) Instituto Nacional de la Yerba Mate (Argentina) Corn starch is considered a good vehicle for delivering bioactive compounds such as supplements or health promoting additives. The ability of starch treated by high hydrostatic pressure (HHP) to bind and carry zinc and magnesium salts and natural antioxidants of yerba mate (Ilex paraguariensis) extracts was tested. A uniform distribution of the minerals on the surface of starch granules was observed by SEM–EDX and significantly higher amounts of minerals were loaded by HHP treated starches. Calorimetric analysis showed the effect of both HHP treatment and the active compounds addition, while crystal fraction was determined by X-ray diffraction, denoting the presence of minerals in the starch granule. It was found that the type of starch carrier did not affect total polyphenol loading. Besides, HPLC analysis showed that the relative composition of polyphenols from yerba mate extract was maintained. These results support the use of HHP treated corn starch as an alternative carrier for molecules of nutritional interest into food systems. Work was carried out thanks to the project “CRYODYMINT” (AGL2010-21989-C02-02) Spanish Science and Innovation Ministry, and the financial support of PRASY, Instituto Nacional de la Yerba Mate (INYM), Argentina. A.S. Peer Reviewed 2015-09-23T06:50:30Z 2015-09-23T06:50:30Z 2015 2015-09-23T06:50:30Z artículo http://purl.org/coar/resource_type/c_6501 issn: 0960-3085 Food and Bioproducts Processing Part C 94: 39- 49 (2015) http://hdl.handle.net/10261/122495 http://dx.doi.org/10.13039/501100004837 none Elsevier |
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Corn starch is considered a good vehicle for delivering bioactive compounds such as supplements or health promoting additives. The ability of starch treated by high hydrostatic pressure (HHP) to bind and carry zinc and magnesium salts and natural antioxidants of yerba mate (Ilex paraguariensis) extracts was tested. A uniform distribution of the minerals on the surface of starch granules was observed by SEM–EDX and significantly higher amounts of minerals were loaded by HHP treated starches. Calorimetric analysis showed the effect of both HHP treatment and the active compounds addition, while crystal fraction was determined by X-ray diffraction, denoting the presence of minerals in the starch granule. It was found that the type of starch carrier did not affect total polyphenol loading. Besides, HPLC analysis showed that the relative composition of polyphenols from yerba mate extract was maintained. These results support the use of HHP treated corn starch as an alternative carrier for molecules of nutritional interest into food systems. |
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Ministerio de Ciencia e Innovación (España) |
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Ministerio de Ciencia e Innovación (España) Schneider Teixeira, Aline Navarro, Alba S. Molina García, Antonio D. Martino, Mirian N. Deladino, Lorena |
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Schneider Teixeira, Aline Navarro, Alba S. Molina García, Antonio D. Martino, Mirian N. Deladino, Lorena |
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Schneider Teixeira, Aline Navarro, Alba S. Molina García, Antonio D. Martino, Mirian N. Deladino, Lorena Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
author_sort |
Schneider Teixeira, Aline |
title |
Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
title_short |
Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
title_full |
Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
title_fullStr |
Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
title_full_unstemmed |
Corn starch systems as carriers for yerba mate (Ilex paraguariensis) antioxidants: Effect of mineral addition |
title_sort |
corn starch systems as carriers for yerba mate (ilex paraguariensis) antioxidants: effect of mineral addition |
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Elsevier |
publishDate |
2015 |
url |
http://hdl.handle.net/10261/122495 http://dx.doi.org/10.13039/501100004837 |
work_keys_str_mv |
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