Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)

To form a stable emulsion system, the water-soluble proteins (WSPs) of Sipunculus nudus were prepared as the sole effective stabilizer for the high internal phase emulsion (HIPEs), of which the influence of the WSPs concentration and environmental stability was investigated. The HIPEs were fabricate...

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Autores principales: Yupo Cao, Yaping Dai, Xuli Lu, Ruyi Li, Wei Zhou, Jihua Li, Baodong Zheng
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/4c4538f543414aa4be0336744fb520cf
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spelling oai:doaj.org-article:4c4538f543414aa4be0336744fb520cf2021-11-30T14:06:12ZFormation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)2296-861X10.3389/fnut.2021.770218https://doaj.org/article/4c4538f543414aa4be0336744fb520cf2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fnut.2021.770218/fullhttps://doaj.org/toc/2296-861XTo form a stable emulsion system, the water-soluble proteins (WSPs) of Sipunculus nudus were prepared as the sole effective stabilizer for the high internal phase emulsion (HIPEs), of which the influence of the WSPs concentration and environmental stability was investigated. The HIPEs were fabricated using a simple one-pot homogenization process (10,000 rpm/min, 3 min) that involved blending the WSPs (0.1, 1, 2, 3, 4, and 5 wt%) with soybean oil (60, 65, 70, 75, 80, 85, and 90%). The microstructure and properties of stable HIPEs were characterized by particle size, ζ-potential, visual observations, optical microscopy, and dynamic rheology property measurements. As the concentration of WSPs increases, the mean particle diameter of HIPEs decreases, on the contrary, the apparent viscosity and storage modulus gradually increase. At a given emulsifier concentration (3 wt%), the stable and gel-like HIPEs were formed at the oil internal phase (ϕ) values of 70–75%, all the pH range in values from 3 to 9, and the ionic strength from 100 to 500 mM. Furthermore, the HIPEs that were stabilized formed a gel-like state that was relatively stable to heat and storage (30 days). And there was a new phenomenon that the destabilized HIPE of the freeze-thaw treatments could still return to a gel-like state again after homogenizing. The study results suggest that the WSPs of S. nudus as a natural emulsifier could be widely used in the food industry.Yupo CaoYupo CaoYaping DaiYaping DaiXuli LuXuli LuRuyi LiRuyi LiWei ZhouWei ZhouJihua LiJihua LiBaodong ZhengFrontiers Media S.A.articleSipunculus nudusthe water-soluble proteins (WSPs)the high internal phase emulsions (HIPEs)stable emulsionsenvironmental stabilityNutrition. Foods and food supplyTX341-641ENFrontiers in Nutrition, Vol 8 (2021)
institution DOAJ
collection DOAJ
language EN
topic Sipunculus nudus
the water-soluble proteins (WSPs)
the high internal phase emulsions (HIPEs)
stable emulsions
environmental stability
Nutrition. Foods and food supply
TX341-641
spellingShingle Sipunculus nudus
the water-soluble proteins (WSPs)
the high internal phase emulsions (HIPEs)
stable emulsions
environmental stability
Nutrition. Foods and food supply
TX341-641
Yupo Cao
Yupo Cao
Yaping Dai
Yaping Dai
Xuli Lu
Xuli Lu
Ruyi Li
Ruyi Li
Wei Zhou
Wei Zhou
Jihua Li
Jihua Li
Baodong Zheng
Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
description To form a stable emulsion system, the water-soluble proteins (WSPs) of Sipunculus nudus were prepared as the sole effective stabilizer for the high internal phase emulsion (HIPEs), of which the influence of the WSPs concentration and environmental stability was investigated. The HIPEs were fabricated using a simple one-pot homogenization process (10,000 rpm/min, 3 min) that involved blending the WSPs (0.1, 1, 2, 3, 4, and 5 wt%) with soybean oil (60, 65, 70, 75, 80, 85, and 90%). The microstructure and properties of stable HIPEs were characterized by particle size, ζ-potential, visual observations, optical microscopy, and dynamic rheology property measurements. As the concentration of WSPs increases, the mean particle diameter of HIPEs decreases, on the contrary, the apparent viscosity and storage modulus gradually increase. At a given emulsifier concentration (3 wt%), the stable and gel-like HIPEs were formed at the oil internal phase (ϕ) values of 70–75%, all the pH range in values from 3 to 9, and the ionic strength from 100 to 500 mM. Furthermore, the HIPEs that were stabilized formed a gel-like state that was relatively stable to heat and storage (30 days). And there was a new phenomenon that the destabilized HIPE of the freeze-thaw treatments could still return to a gel-like state again after homogenizing. The study results suggest that the WSPs of S. nudus as a natural emulsifier could be widely used in the food industry.
format article
author Yupo Cao
Yupo Cao
Yaping Dai
Yaping Dai
Xuli Lu
Xuli Lu
Ruyi Li
Ruyi Li
Wei Zhou
Wei Zhou
Jihua Li
Jihua Li
Baodong Zheng
author_facet Yupo Cao
Yupo Cao
Yaping Dai
Yaping Dai
Xuli Lu
Xuli Lu
Ruyi Li
Ruyi Li
Wei Zhou
Wei Zhou
Jihua Li
Jihua Li
Baodong Zheng
author_sort Yupo Cao
title Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
title_short Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
title_full Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
title_fullStr Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
title_full_unstemmed Formation of Shelf-Stable Pickering High Internal Phase Emulsion Stabilized by Sipunculus nudus Water-Soluble Proteins (WSPs)
title_sort formation of shelf-stable pickering high internal phase emulsion stabilized by sipunculus nudus water-soluble proteins (wsps)
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/4c4538f543414aa4be0336744fb520cf
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