Cited by 144Proteins in Food SystemsPolysaccharides Composition and ApplicationsPickering emulsions and particle stabilization

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Pectins of different origin and their performance in forming and stabilizing oil- in-water-emulsions

Schmidt, U.S., Schmidt, K., Kurz, T., Endreß, H.-U., Schuchmann, H.P.·2015·Food Hydrocolloids

Abstract

The effectiveness of different commercially available pectin types in forming and stabilizing oil-in-water-emulsions was investigated. Sugar beet pectin as well as apple and citrus pectins with different degree of methoxylation were tested. In emulsions containing small molecule emulsifiers, all investigated pectins behave similarly. They show stabilizing properties by increasing the viscosity of the aqueous phase. This also influences the effective viscosity ratio of emulsions and it results in the formation and stabilization of submicron droplets. In emulsions without small molecule emulsifiers, the investigated pectins differ in their emulsifying behavior depending on their molecular structure. The higher the amount of covalently bound protein a pectin has, the smaller the characteristic droplet size of the resulting emulsions. Pectins with intermediate degrees of esterification produce the emulsions with the largest characteristic droplet size. Furthermore, differences in the surface activity of pectins were found. Sugar beet and citrus pectins lower the surface tension more than apple pectin. Upon the addition of sucrose, an increase in surface tension is detected but only for sugar beet and citrus pectin solutions.

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Crossref · 10.1016/j.foodhyd.2014.12.012

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Metadata

Authors
Schmidt, U. S., Schmidt, K., Kurz, T., Endreß, H.-U., & Schuchmann, H. P.
Affiliations
Karlsruhe Institute of Technology (DE)
Corresponding author
Schmidt, U.S.
Venue
Food Hydrocolloids
Publisher
Elsevier BV
Published
2015-04
Volume
46
Pages
59-66
ISSN
0268-005X (ISSN-L)
OpenAlex
W2053007105
Cited by
144
References
0
Citations by year
2026: 8 · 2025: 6 · 2024: 10 · 2023: 16 · 2022: 20 · 2021: 28 · 2020: 10 · 2019: 12 · 2018: 9 · 2017: 10 · 2016: 14 · 2015: 1
FWCI
11.94
Type
journal article
Language
en
Open access
closed
Locations
Food Hydrocolloids (publishedVersion)
Funders
  • German Federal Ministry of Research and Education (BMBF) (FKZ 0315682)
  • Projektträger Jülich
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Physical Sciences › Materials Science › Materials Chemistry › Pickering emulsions and particle stabilization
Keywords
pectin, oil-in-water emulsions, emulsion stabilization, sugar beet pectin, apple pectin, citrus pectin, degree of esterification, droplet size, viscosity ratio, surface tension, surface activity, sucrose, natural emulsifiers

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