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Stabilisation of lutein and lutein esters with polyoxyethylene sorbitan monooleate, medium-chain triglyceride oil and lecithin
ID
Gombač, Zala
(
Author
),
ID
Osojnik Črnivec, Ilja Gasan
(
Author
),
ID
Skrt, Mihaela
(
Author
),
ID
Istenič, Katja
(
Author
),
ID
Knez Knafelj, Andreja
(
Author
),
ID
Pravst, Igor
(
Author
),
ID
Poklar Ulrih, Nataša
(
Author
)
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https://www.mdpi.com/2304-8158/10/3/500
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Abstract
Lutein is a challenging compound to incorporate into food, as it is poorly soluble and unstable in aqueous solutions. In this study, the aim was to prepare stable encapsulates of lutein and lutein esters using feasible and straightforward techniques. Fine suspensions based on polyoxyethylene sorbitan monooleate and medium-chain triglyceride oil micelle-like units with 3.45% lutein esters or 1.9% lutein equivalents provided high encapsulation efficiencies of 79% and 83%, respectively. Lutein encapsulated in fine suspensions showed superior stability, as 86% was retained within the formulation over 250 days at 25 °C in the dark. Under the same storage conditions, only 38% of lutein remained in corresponding formulations. Higher encapsulation efficiencies were achieved with lecithin emulsions, at up to 99.3% for formulations with lutein, and up to 91.4% with lutein esters. In lecithin emulsions that were stored for 250 days, 17% and 80% of lutein and lutein esters, respectively, were retained within the formulations.
Language:
English
Keywords:
lutein
,
lutein esters
,
encapsulation
,
emulsions
,
polyoxyethylene sorbitan monooleate
,
lecithin
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
BF - Biotechnical Faculty
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
15 str.
Numbering:
Vol. 10, iss. 3, art. 500
PID:
20.500.12556/RUL-135242
UDC:
547.979.8:664.022.33
ISSN on article:
2304-8158
DOI:
10.3390/foods10030500
COBISS.SI-ID:
53319427
Publication date in RUL:
02.03.2022
Views:
593
Downloads:
126
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Record is a part of a journal
Title:
Foods
Shortened title:
Foods
Publisher:
MDPI
ISSN:
2304-8158
COBISS.SI-ID:
512252472
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
01.03.2021
Secondary language
Language:
Slovenian
Keywords:
aditivi
,
barvila
,
lutein
,
luteinski estri
,
emulzije
,
kapsulacija
Projects
Funder:
Other - Other funder or multiple funders
Funding programme:
Republic of Slovenia, Food4Future
Funder:
EC - European Commission
Funding programme:
European Regional Development Fund, Food4Future
Funder:
ARRS - Slovenian Research Agency
Project number:
P4-0121
Name:
Biokemijska in biofizikalno-kemijska karakterizacija naravnih snovi
Funder:
ARRS - Slovenian Research Agency
Project number:
P3-0395
Name:
Prehrana in javno zdravje
Funder:
ARRS - Slovenian Research Agency
Project number:
J4-2545
Name:
Samosestavljivi in napredni biopolimerni ovoji za mikrokapsulacijo probiotikov in starterskih kultur
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