431
Views
20
CrossRef citations to date
0
Altmetric
Original Articles

Influence of phenolic acids on the storage and digestion stability of curcumin emulsions based on soy protein-pectin-phenolic acids ternary nano-complexes

ORCID Icon, , , , , & show all
Pages 622-634 | Received 14 Mar 2019, Accepted 27 Aug 2019, Published online: 09 Sep 2019
 

Abstract

Aim: To design novel emulsifiers with the ability to improve the storage and digestion stability of curcumin emulsions, besides to investigate the influence of phenolic acids types on the emulsify ability of soy protein-pectin-phenolic acids complexes obtained by ultrasonication.

Methods: The ternary complexes were characterised by particle size, morphology, zeta potential, X-ray diffraction, Fourier transform infra-red and fluorescence spectroscopy. Additionally, changes in droplet size, charge, and microstructure were monitored as quantitative stability index of curcumin emulsions.

Results: Phenolic acid types significantly affected the formation of ternary complexes. Soy protein-pectin-ferulic acid complex (S-P-F) stabilised curcumin emulsion had the best emulsifying property, followed by soy protein-pectin- ellagic acid (S-P-E), and soy protein-pectin-tannic acid complexes (S-P-T). Moreover, S-P-F emulsion was found to retain efficiently cucumin within 30 days storage (77.35%) and simulated gastrointestinal tract (64.09%).

Conclusion: Protein-polysaccharide-phenolic acids emulsions are effective oral delivery systems for hydrophobic bioactives.

Disclosure statement

The authors report no conflict of interest for this work.

Additional information

Funding

This work was financially supported by National Natural Science Foundation of China (No. 31601415), National Natural Science Foundation of Guangdong, China (No. 2016A030307022), Characteristic innovation project of Higher Education of Guangdong, China (No. 2016KTSCX082), and the Major Programme of Lingnan Normal University (No. LZL1501), and Climbing Peak Programme of Guangdong, China (No. pdjh2019b0300).

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.