Designing emulsion droplets of foods and beverages to enhance delivery of lipophilic bioactive components

a review of recent advances

Research output: Contribution to journalLiterature review

24 Citations (Scopus)
5 Downloads (Pure)

Abstract

Lipophilic bioactive compounds such as lipids, vitamins and phytochemicals serve important antioxidant, functional, nutritional and structural roles in the human body. Colloidal systems such as emulsions are particularly suitable matrices for the protection and delivery of these compounds. This article summarises the principal lipophilic bioactives important for human health and challenges associated with their delivery. It discusses the compositional and physical characteristics of emulsions in relation to bioactive delivery, and chemical stability aspects to consider when engineering efficient emulsion delivery systems. The literature shows that aspects such as oil type, droplet size, interfacial composition and solubilisation capacity impact bioactive availability, and that their effects are bioactive specific. Therefore emulsions must be tailored to the bioactives delivered. Much of the present knowledge is based on in vitro studies and more data from animal and human models are required to better understand the relationship between emulsion characteristics and bioavailability of lipophilic bioactives.
Original languageEnglish
Pages (from-to)68-80
Number of pages13
JournalInternational Journal of Food Science and Technology
Volume52
Issue number1
Early online date3 Oct 2016
DOIs
Publication statusPublished - Jan 2017

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Food and Beverages
Beverages
Emulsions
beverages
droplets
emulsions
droplet size
Vitamins
Chemical stability
Phytochemicals
Antioxidants
Human Body
solubilization
in vitro studies
Lipids
phytopharmaceuticals
Biological Availability
human health
bioavailability
vitamins

Keywords

  • emulsion
  • lipophilic bioactive
  • interface
  • oil type
  • emulsifier

Cite this

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title = "Designing emulsion droplets of foods and beverages to enhance delivery of lipophilic bioactive components: a review of recent advances",
abstract = "Lipophilic bioactive compounds such as lipids, vitamins and phytochemicals serve important antioxidant, functional, nutritional and structural roles in the human body. Colloidal systems such as emulsions are particularly suitable matrices for the protection and delivery of these compounds. This article summarises the principal lipophilic bioactives important for human health and challenges associated with their delivery. It discusses the compositional and physical characteristics of emulsions in relation to bioactive delivery, and chemical stability aspects to consider when engineering efficient emulsion delivery systems. The literature shows that aspects such as oil type, droplet size, interfacial composition and solubilisation capacity impact bioactive availability, and that their effects are bioactive specific. Therefore emulsions must be tailored to the bioactives delivered. Much of the present knowledge is based on in vitro studies and more data from animal and human models are required to better understand the relationship between emulsion characteristics and bioavailability of lipophilic bioactives.",
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author = "Vassilios Raikos and Viren Ranawana",
note = "Funds for the study were provided by the Scottish Government's Rural and Environment Science and Analytical Services Division and conducted as part of the Scottish Government Strategic Research programme (Food Land & People).",
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T2 - a review of recent advances

AU - Raikos, Vassilios

AU - Ranawana, Viren

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AB - Lipophilic bioactive compounds such as lipids, vitamins and phytochemicals serve important antioxidant, functional, nutritional and structural roles in the human body. Colloidal systems such as emulsions are particularly suitable matrices for the protection and delivery of these compounds. This article summarises the principal lipophilic bioactives important for human health and challenges associated with their delivery. It discusses the compositional and physical characteristics of emulsions in relation to bioactive delivery, and chemical stability aspects to consider when engineering efficient emulsion delivery systems. The literature shows that aspects such as oil type, droplet size, interfacial composition and solubilisation capacity impact bioactive availability, and that their effects are bioactive specific. Therefore emulsions must be tailored to the bioactives delivered. Much of the present knowledge is based on in vitro studies and more data from animal and human models are required to better understand the relationship between emulsion characteristics and bioavailability of lipophilic bioactives.

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KW - lipophilic bioactive

KW - interface

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KW - emulsifier

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