Publications by authors named "Yongxin Teng"

High-performance saccharide-based cryoprotectants are gaining increasing attention for their application in frozen meat products. While various physiochemical and/or enzymatic approaches have been employed to enhance the cryoprotective efficacy of saccharides, potential synergistic effects between different saccharide candidates remain largely unexplored. This study, for the first time, demonstrates that the combinational use of β-cyclodextrin (CD) and carrageenan oligosaccharide (CGO) exhibit significant synergistic cryoprotective effects on surimi myofibrillar proteins (MP) during freeze-thaw cycles.

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The use of oil-in-water (O/W) emulsion has drawn increasing attention in the baking industry. Compared with some of the well-recognized functionalities, such as textural improvers and flavor carriers, its cryoprotective behavior in frozen dough has not been extensively investigated. Herein, this study reported a pea-protein (PP)-stabilized O/W emulsion with good freeze-thaw stability and evaluated its effectiveness as a high-performance dough cryoprotectant.

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Article Synopsis
  • The study focuses on developing egg substitutes using sodium caseinate (Na-Cas), tannic acid (TA), and octenyl succinate starch (OSA-Starch) composites, evaluating their effectiveness in cakes and ice creams.
  • Experiments replaced 25%, 50%, and 75% of egg whites in recipes with these composites, analyzing changes in physical, rheological, and textural properties.
  • Results show that a 25% replacement improves cake volume and modifies texture characteristics, while higher replacements lead to varying effects on ice cream hardness, melt resistance, and viscosity, indicating the composites' viability as functional dairy ingredients.
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Article Synopsis
  • - High-temperature sterilization (120 °C) for ready-to-eat surimi products can damage myofibrillar proteins, leading to weaker gelling properties.
  • - A new strategy combining carrageenan (CG) with wheat gluten significantly improved the mechanical strength of protein gels, boosting their performance to four times stronger than untreated gels.
  • - Different types of carrageenan resulted in varying gel strengths and moisture stabilization, offering insights into enhancing the quality of ready-to-eat meat products.
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In this study, pectin extracted from pomelo peel was investigated using three different combination methods of pulsed electric field (PEF) and cellulase. Three action sequences were performed, including PEF treatment followed by enzymatic hydrolysis, enzymatic hydrolysis followed by PEF treatment, and enzymatic hydrolysis simultaneously treated by PEF. The three corresponding pectins were namely PEP, EPP and SP.

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This study aims to investigate the effect of pulsed electric field (PEF) assisted OSA esterification treatment on the multi-scale structure and digestive properties of cassava starch and structure-digestion relationships. The degree of substitution (DS) of starch dually modified at 1.5-4.

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Ultrasound-assisted freezing (UAF) is a clean technique for meat cryoprotections; however, its effectiveness is still limited compared to conventional cryoprotectants, e.g., sugars, polyols, especially at high dosages.

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Article Synopsis
  • The rising global population and environmental concerns are driving demand for nutritious, sustainably labeled food, making plant proteins more popular than animal proteins.
  • Pulses like peas, beans, and lentils are becoming key sources of plant protein due to their nutritional benefits, despite challenges in understanding their protein characteristics and diversity.
  • This review highlights the importance of understanding the composition and properties of pulse proteins, alongside advanced modification techniques, to enhance their functionality in clean-label food products.
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  • This study examined how applying a pulsed electric field (PEF) affects the modification of pea protein isolate (PPI) using (-)-Epigallocatechin-Gallate (EGCG).
  • The PEF treatment led to a significant increase in the flexibility of PPI, resulting in a decrease in α-helix structure and an increase in random coil formation.
  • Additionally, the binding capacity of PEF-treated PPI with EGCG improved drastically, revealing more binding sites and enhancing the protein’s antioxidant activity, which is important for its use in the food industry.
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In this study, soy protein isolate (SPI) was modified by a pulsed electric field (PEF) combined with pH shifting treatment (10 kV/cm, pH 11) to prepare SPI nanoparticles (PSPI11) for efficient loading of lutein. The results showed that when the mass ratio of SPI to lutein was 25:1, the encapsulation efficiency of lutein in PSPI11 increased from 54% to 77%, and the loading capacity increased by 41% compared to the original SPI. The formed SPI-lutein composite nanoparticles (PSPI11-LUTNPs) had smaller, more homogeneous sizes and larger negative charges than SPI7-LUTNPs.

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The influence of pulsed electric field (PEF) combined with octenyl succinic anhydride (OSA) on the freeze-thaw stability of corn starch gel was investigated. After five freeze-thaw cycles, the syneresis value of OSA starch treated with PEF-assisted esterification for 15 min was lower by 29.5 %, while that of OSA starch without PEF treatment was lower by 10.

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Chickpea protein (CP) is an exceptional nutrient-dense pulse protein prevailing in the development of plant-based foods. However, its relatively low solubility, compared to other legume proteins, hinders the practical uses of CP in food matrix. To resolve this problem, pea protein (PP), another popular pulse protein, was co-assembled with CP to form a binary complex during the alkaline pH-shifting process.

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This study developed a gastric-floating delivery system of calcium based on konjac glucomannan (KGM). The developed calcium tablets, consisting of one core layer coated with two barrier layers, were fabricated with a facile method. The role of KGM within the tablets was evaluated from characteristics including swelling behavior, hydrated gel properties, floating ability and release profiles of calcium (Ca).

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