Emulsifying properties of pea protein/guar gum conjugates and mayonnaise application

Summary Modified plant protein may be used as a healthy and more functional emulsifier in food products. The objective of this study was to evaluate the emulsifying properties of functionally enhanced pea protein (i.e. pea protein conjugated with guar gum, G‐PPI) and its potential application to may...

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Veröffentlicht in:International journal of food science & technology 2022-07, Vol.57 (7), p.3955-3966
Hauptverfasser: Shen, Yanting, Babu, Karthik Sajith, Amamcharla, Jayendra, Li, Yonghui
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container_issue 7
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container_title International journal of food science & technology
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creator Shen, Yanting
Babu, Karthik Sajith
Amamcharla, Jayendra
Li, Yonghui
description Summary Modified plant protein may be used as a healthy and more functional emulsifier in food products. The objective of this study was to evaluate the emulsifying properties of functionally enhanced pea protein (i.e. pea protein conjugated with guar gum, G‐PPI) and its potential application to mayonnaise, compared with unmodified pea protein. Emulsions containing G‐PPI were prepared at different pH, salt concentrations, protein concentrations and oil/water ratios. Mayonnaise samples were prepared using the pea proteins or egg yolk powder. Various characteristics of the emulsions, including droplet size, apparent viscosity, viscoelasticity and microstructure, were analysed. The emulsions with G‐PPI had significantly increased stability of up to 89.4% and apparent viscosity of up to 48.62 mPa.s. The G‐PPI emulsion had a smaller average droplet size of 934.4 nm at pH 7 compared with the PPI emulsion (stability 62.7%, apparent viscosity 22.8 mPa.s and droplet size 1664.8 nm). The pH, NaCl concentration, protein concentration and oil/water ratio greatly affected the emulsifying properties. The G‐PPI mayonnaise at higher protein concentrations (6 or 8%) exhibited excellent emulsifying and rheological properties. The modified pea protein through the green modification process with natural polysaccharides could be used as a safe and functional emulsifier in different emulsified foods. Preparation of egg‐free mayonnaise from modified pea protein.
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The objective of this study was to evaluate the emulsifying properties of functionally enhanced pea protein (i.e. pea protein conjugated with guar gum, G‐PPI) and its potential application to mayonnaise, compared with unmodified pea protein. Emulsions containing G‐PPI were prepared at different pH, salt concentrations, protein concentrations and oil/water ratios. Mayonnaise samples were prepared using the pea proteins or egg yolk powder. Various characteristics of the emulsions, including droplet size, apparent viscosity, viscoelasticity and microstructure, were analysed. The emulsions with G‐PPI had significantly increased stability of up to 89.4% and apparent viscosity of up to 48.62 mPa.s. The G‐PPI emulsion had a smaller average droplet size of 934.4 nm at pH 7 compared with the PPI emulsion (stability 62.7%, apparent viscosity 22.8 mPa.s and droplet size 1664.8 nm). The pH, NaCl concentration, protein concentration and oil/water ratio greatly affected the emulsifying properties. The G‐PPI mayonnaise at higher protein concentrations (6 or 8%) exhibited excellent emulsifying and rheological properties. The modified pea protein through the green modification process with natural polysaccharides could be used as a safe and functional emulsifier in different emulsified foods. 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The objective of this study was to evaluate the emulsifying properties of functionally enhanced pea protein (i.e. pea protein conjugated with guar gum, G‐PPI) and its potential application to mayonnaise, compared with unmodified pea protein. Emulsions containing G‐PPI were prepared at different pH, salt concentrations, protein concentrations and oil/water ratios. Mayonnaise samples were prepared using the pea proteins or egg yolk powder. Various characteristics of the emulsions, including droplet size, apparent viscosity, viscoelasticity and microstructure, were analysed. The emulsions with G‐PPI had significantly increased stability of up to 89.4% and apparent viscosity of up to 48.62 mPa.s. The G‐PPI emulsion had a smaller average droplet size of 934.4 nm at pH 7 compared with the PPI emulsion (stability 62.7%, apparent viscosity 22.8 mPa.s and droplet size 1664.8 nm). The pH, NaCl concentration, protein concentration and oil/water ratio greatly affected the emulsifying properties. The G‐PPI mayonnaise at higher protein concentrations (6 or 8%) exhibited excellent emulsifying and rheological properties. The modified pea protein through the green modification process with natural polysaccharides could be used as a safe and functional emulsifier in different emulsified foods. 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The objective of this study was to evaluate the emulsifying properties of functionally enhanced pea protein (i.e. pea protein conjugated with guar gum, G‐PPI) and its potential application to mayonnaise, compared with unmodified pea protein. Emulsions containing G‐PPI were prepared at different pH, salt concentrations, protein concentrations and oil/water ratios. Mayonnaise samples were prepared using the pea proteins or egg yolk powder. Various characteristics of the emulsions, including droplet size, apparent viscosity, viscoelasticity and microstructure, were analysed. The emulsions with G‐PPI had significantly increased stability of up to 89.4% and apparent viscosity of up to 48.62 mPa.s. The G‐PPI emulsion had a smaller average droplet size of 934.4 nm at pH 7 compared with the PPI emulsion (stability 62.7%, apparent viscosity 22.8 mPa.s and droplet size 1664.8 nm). The pH, NaCl concentration, protein concentration and oil/water ratio greatly affected the emulsifying properties. The G‐PPI mayonnaise at higher protein concentrations (6 or 8%) exhibited excellent emulsifying and rheological properties. The modified pea protein through the green modification process with natural polysaccharides could be used as a safe and functional emulsifier in different emulsified foods. Preparation of egg‐free mayonnaise from modified pea protein.</abstract><cop>Oxford</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/ijfs.15564</doi><tpages>3966</tpages><orcidid>https://orcid.org/0000-0003-4320-0806</orcidid></addata></record>
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subjects Droplets
Emulsified foods
Emulsifiers
Emulsions
Guar gum
Mayonnaise
Peas
pH effects
plant protein ingredient
Polysaccharides
protein emulsifier
protein functionality
protein modification
Proteins
Rheological properties
rheology
Saccharides
Sodium chloride
Stability analysis
Viscoelasticity
Viscosity
Yolk
title Emulsifying properties of pea protein/guar gum conjugates and mayonnaise application
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