The aim of this study was to investigate the influence of food polysaccharides from different sources on microstructural and rheological properties, and in vitro lipolysis of oil-in-water emulsions of canola oil stabilised by whey protein isolate. The polysaccharides used were β-glucan (BG) from oat, arabinoxylan (AX) from wheat, and pectin (PTN) from apple. All polysaccharides added at 1 % w/v increased the viscosity of emulsions and promoted flocculation but with different mechanisms, BG and AX by depletion flocculation and PTN by bridging flocculation. Depletion flocculation was associated with an increase in viscosity of BG or AX-stabilised emulsions compared with BG/AX alone, whereas bridging flocculation with PTN caused a decrease in viscosity. All three polysaccharides reduced lipid digestion rate and extent, but the bridging flocculation induced by PTN had the greatest effect. This study has implications for better understanding the influence of carbohydrate polymers from cereals and fruits on lipid digestibility.
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http://dx.doi.org/10.1016/j.carbpol.2020.117491 | DOI Listing |
Int J Biol Macromol
January 2025
SCUT-Zhuhai Institute of Modern Industrial Innovation, South China University of Technology, Zhuhai 519715, China; Guangzhou Institute of Modern Industrial Technology, South China University of Technology, Nansha, 511458, China; School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China.
Lactoferrin protein (LF) is a natural protein with certain emulsifying ability, but is sensitive to be affected by environmental factors and has poor oxidative stability to be used as emulsifier. In this study, the emulsifying ability of LF was significantly improved after conjugation with Rosa roxburghii Tratt fruit polysaccharides (RTFP), and the emulsion stability mechanism of LF-RTFP conjugates (L-R) were elucidated through the utilization of CLSM (confocal laser scanning microscopy), interfacial tension, apparent viscosity, and protein adsorption rate. The emulsion stabilized by L-R showed the smaller particle size (17.
View Article and Find Full Text PDFWater Res
January 2025
School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China; Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei 430072, China. Electronic address:
The influence of algal organic matter (AOM) on the settling performance of algal flocs remains poorly understood. To address this, we employed fractionation techniques based on molecular weight to isolate different AOM fractions and analyzed their effects on floc structure and settling performance. This involved comparing the concentrations, compositions, potentials, and functional groups of organic matter before and after coagulation-sedimentation.
View Article and Find Full Text PDFFood Environ Virol
January 2025
School of Environmental and Natural Sciences, Bangor University, Bangor, Gwynedd, LL57 2UW, UK.
RSC Adv
January 2025
Faculty of Chemical Engineering, Kunming University of Science and Technology Kunming 650500 P. R. China
Polysilicate-ferric-calcium-lanthanum (PSFCL) was synthesized through a co-polymerization method in order to treat the yellow phosphorus wastewater. Its morphology, composition and functional group were analyzed by X-ray Diffraction (XRD), Fourier Transform-Infrared Spectroscopy (FTIR), Scanning Electron Microscopic (SEM) and X-ray Photoelectron Spectroscopy (XPS), respectively. The optimization of the flocculant was also investigated, including La/Si molar ratio, pH, agitation time, dosage and sedimentation time.
View Article and Find Full Text PDFLangmuir
January 2025
College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot 010051, China.
In order to solve the shortcomings of a single flocculant, the inorganic-organic hybrid flocculant SiO-CTS-DMDACC was successfully prepared by grafting copolymerization of chitosan (CTS), dimethyl diallyl ammonium chloride (DMDACC), and silicon dioxide (SiO). The performance of SiO-CTS-DMDACC in treating papermaking wastewater was investigated, and the mechanism of the flocculation process was analyzed. The results showed that the crystallinity of chitosan was reduced due to the introduction of DMDACC and SiO.
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