Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review

Over the past century, there has been a large increase in the life expectancy of people around the globe, which means there has been a rise in diseases of the elderly. Age-related macular degeneration (AMD) is a sight-threatening condition of the eye characterized by a loss of central vision. Resear...

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Main Authors: Erin Kuo, David Julian McClements
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:Food Hydrocolloids for Health
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2667025922000401
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author Erin Kuo
David Julian McClements
author_facet Erin Kuo
David Julian McClements
author_sort Erin Kuo
collection DOAJ
description Over the past century, there has been a large increase in the life expectancy of people around the globe, which means there has been a rise in diseases of the elderly. Age-related macular degeneration (AMD) is a sight-threatening condition of the eye characterized by a loss of central vision. Research suggests that macular pigment carotenoids, such as lutein and zeaxanthin, may inhibit the onset of this disease by protecting the eye from damaging light and oxidation. These carotenoids are chemically reactive hydrophobic molecules with a low water-solubility, chemical stability, and bioavailability. Consequently, many carotenoid-rich foods and supplements are not absorbed by the human body and do not exhibit their beneficial effects on eye health. In this article, we review the prevalence and characteristics of AMD, the sources of macular pigment carotenoids in foods, the factors limiting their bioavailability, and analytical approaches available to study their bioavailability and bioactivity. We then discuss different strategies for increasing the concentration of bioavailable macular pigment carotenoids in the human diet, including dietary sources, supplements, functional foods, and excipient foods, with an emphasis on colloidal systems that can be used for this purpose.
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spelling doaj.art-646adad37187454f9da70e9e24631e072022-12-22T04:17:24ZengElsevierFood Hydrocolloids for Health2667-02592022-12-012100093Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A reviewErin Kuo0David Julian McClements1Vassar College, Poughkeepsie, New York, USADepartment of Food Science, University of Massachusetts, Amherst, MA 01003, USA; Department of Food Science & Bioengineering, Zhejiang Gongshang University, 18 Xuezheng Street, Hangzhou, Zhejiang 310018, China; Corresponding author at: Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA.Over the past century, there has been a large increase in the life expectancy of people around the globe, which means there has been a rise in diseases of the elderly. Age-related macular degeneration (AMD) is a sight-threatening condition of the eye characterized by a loss of central vision. Research suggests that macular pigment carotenoids, such as lutein and zeaxanthin, may inhibit the onset of this disease by protecting the eye from damaging light and oxidation. These carotenoids are chemically reactive hydrophobic molecules with a low water-solubility, chemical stability, and bioavailability. Consequently, many carotenoid-rich foods and supplements are not absorbed by the human body and do not exhibit their beneficial effects on eye health. In this article, we review the prevalence and characteristics of AMD, the sources of macular pigment carotenoids in foods, the factors limiting their bioavailability, and analytical approaches available to study their bioavailability and bioactivity. We then discuss different strategies for increasing the concentration of bioavailable macular pigment carotenoids in the human diet, including dietary sources, supplements, functional foods, and excipient foods, with an emphasis on colloidal systems that can be used for this purpose.http://www.sciencedirect.com/science/article/pii/S2667025922000401Macular degenerationNanotechnologyDelivery systemsFunctional foodsNutraceuticals
spellingShingle Erin Kuo
David Julian McClements
Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
Food Hydrocolloids for Health
Macular degeneration
Nanotechnology
Delivery systems
Functional foods
Nutraceuticals
title Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
title_full Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
title_fullStr Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
title_full_unstemmed Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
title_short Food colloid-based delivery systems for tackling age-related macular degeneration by enhancing carotenoid bioavailability: A review
title_sort food colloid based delivery systems for tackling age related macular degeneration by enhancing carotenoid bioavailability a review
topic Macular degeneration
Nanotechnology
Delivery systems
Functional foods
Nutraceuticals
url http://www.sciencedirect.com/science/article/pii/S2667025922000401
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