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Sun YL, Ge BQ, Li MZ, Wang L, Chen ZX. The effect of macromolecular crowding degree on the self-assembly of fatty acid and lipid hydrolysis. NPJ Sci Food 2023; 7:39. [PMID: 37495579 PMCID: PMC10372097 DOI: 10.1038/s41538-023-00213-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 07/12/2023] [Indexed: 07/28/2023] Open
Abstract
Investigation on the physiochemical nature involved in the production of fatty acid catalyzed by the vesicles is of importance to understand the digestion of lipid. In this paper, the effects of crowding degree, which was constructed by polyethylene glycol (PEG), on the autocatalytic production of fatty acid with different chain lengths was studied. The results showed that the higher crowding degree led to the slower production rate of decanoic acid but the faster rate of oleic acid. The reason lies in that the presence of macromolecules resulted in the increased sizes of decanoic acid vesicles, but decreased sizes of oleic acid vesicles. Meanwhile, decanoic acid vesicles in more crowded medium exhibited viscous behavior, whereas oleic acid displayed elastic behavior. This research provides useful information for understanding the unusual autocatalyzed production of fatty acid in macromolecular crowding and may also draw an attention to the physiologically relevant lipid digestion.
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Affiliation(s)
- Yu-Long Sun
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
- ACON Biotech (Hangzhou) Co., Ltd., Hangzhou, 310018, China
| | | | - Mi-Zhuan Li
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | | | - Zhong-Xiu Chen
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China.
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2
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Synergistic interaction between exogenous and endogenous emulsifiers and its impact on in vitro digestion of lipid in crowded medium. Food Chem 2019; 299:125164. [PMID: 31319345 DOI: 10.1016/j.foodchem.2019.125164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 06/19/2019] [Accepted: 07/09/2019] [Indexed: 11/23/2022]
Abstract
Control of lipid digestibility by various food components has received great attention in recent decades. However, there is limited literature on investigating the synergistic effect of exogenous emulsifiers and endogenous sodium cholate (SC) on lipid digestion in a simulated physiological crowded medium. In this work, the synergistic interaction of Tween80 and SC according to the regular solution theory, and the hydrolysis of lipid emulsions containing tricaprylin, glyceryltrioleate or soybean oil in crowding medium was studied. The results show that emulsions stabilized by a combination of Tween80 and SC showed higher digestion rate and transformation than those with Tween80 or SC. The digestion rate could be increased by polyethylene glycols (PEGn) with varying crowding degree. The denaturation temperature of the lipase was increased in macromolecular crowded medium. This work allows for better understanding of the interaction between the amphiphiles and the macromolecular crowding effect on lipase digestion in the physiological environment.
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Luo XA, Zhao P, Zhang H, Feng SY, Chen KX, Chen ZX. Improved hydrolysis of α-tocopherol acetate emulsion and its bioaccessibility in the presence of polysaccharides and PEG2000. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Chen LC, Chen KX, Huang XY, Lou J, Li JY, Deng SP. Vesicles from the self-assembly of the ultra-small fatty acids with amino acids under aqueous conditions. Colloids Surf B Biointerfaces 2019; 173:69-76. [PMID: 30267956 DOI: 10.1016/j.colsurfb.2018.07.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 06/15/2018] [Accepted: 07/03/2018] [Indexed: 11/19/2022]
Abstract
The properties of vesicles formed from the self-assembly of amphiphilic molecules can mimic the functionality of the natural lipid membranes. In this study, the self-assembly process of the amphiphilic structures formed by the interaction between ultra-small fatty acids [FAs, Cn (n = 4-8)] and amino acids (AAs) to generate vesicles under aqueous conditions were investigated in detail, along with the corresponding dynamic vesiculation mechanisms. Our results showed that the molar ratio of FAs/AAs and the chain length of FAs largely affected the structural characteristics and dispersion of vesicles. The detailed information about the entire size distributions and morphology of obtained vesicles were explored by the cryogenic transmission electron microscopy (Cryo-EM). Fourier transform infrared (FT-IR) spectra and quantum calculations suggested that the intermolecular hydrogen bond and electrostatic interactions between ultra-small molecules (FAs and AAs) during the aggregation processes were responsible for the formation of vesicles, where the hydrogen-bonding effect was dominant. Our findings shed new light on the effective and simple preparation of biological vesicles via ultra-small molecules self-assembly in aqueous solutions, which may have potential applications in vesicle physiology and drug delivery systems, and also get a mature understanding of the fundamental intermolecular interactions in life process.
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Affiliation(s)
- Li-Chun Chen
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China; Zhejiang Provincial Key Lab for Chem &Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Ke-Xian Chen
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Xi-Ying Huang
- Zhejiang Provincial Key Lab for Chem &Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Jian Lou
- Zhejiang Provincial Key Lab for Chem &Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Jing-Yuan Li
- Department of Physics, Zhejiang University, Hangzhou, 310027, China.
| | - Shao-Ping Deng
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China.
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Jia MQ, Liu QZ, Zhu LJ, Zhang Y, Chen ZX. Influence of polysaccharides on the dynamic self-assembly of medium-chain fatty acid vesicles and hydrolysis of decanoic acid anhydrides. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.07.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Zhu TT, Zhang Y, Luo XA, Wang SZ, Jia MQ, Chen ZX. Difference in Binding of Long- and Medium-Chain Fatty Acids with Serum Albumin: The Role of Macromolecular Crowding Effect. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:1242-1250. [PMID: 29303261 DOI: 10.1021/acs.jafc.7b03548] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Fatty acids (FAs) are transported by serum albumin in plasma. Studies have been undertaken to address the binding of MCFAs or LCFAs to human plasma albumin (HPA) and bovine serum albumin (BSA) by characterizing the binding affinities. Previous research on FA binding to serum albumin was usually performed in dilute solutions that are not sufficiently concentrated for the interpretation of the significance of the results under normal physiological conditions. How macromolecular crowded media affect fatty acids and bovine serum albumin (BSA) binding remains unknown. In this article, we investigated the mechanism of FA-BSA binding in a polyethylene glycol crowding environment by using thermodynamic and spectroscopic methods. Molecular crowding increased the binding constant for saturated medium-chain fatty acids (MCFAs) but significantly decreased the binding constant for unsaturated long-chain FAs. The binding sites tended to increase in all the cases. Further investigation revealed that crowding media might loosen the structure of BSA, facilitating MCFA-BSA binding. This research is useful for understanding the transportation of FAs by BSA under physiological conditions and may also help to control digestion by the eventual incorporation of macromolecular crowding agents into food formulations.
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Affiliation(s)
- Tian-Tian Zhu
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
| | - Yan Zhang
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
| | - Xing-An Luo
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
| | - Shen-Zhi Wang
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
| | - Ming-Qiang Jia
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
| | - Zhong-Xiu Chen
- Molecular Food Science Laboratory, College of Food & Biology Engineering, Zhejiang Gongshang University , Hangzhou 310018, China
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Sankaralingam M, Lee YM, Nam W, Fukuzumi S. Selective Oxygenation of Cyclohexene by Dioxygen via an Iron(V)-Oxo Complex-Autocatalyzed Reaction. Inorg Chem 2017; 56:5096-5104. [DOI: 10.1021/acs.inorgchem.7b00220] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Yong-Min Lee
- Department of Chemistry
and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wonwoo Nam
- Department of Chemistry
and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Shunichi Fukuzumi
- Department of Chemistry
and Nano Science, Ewha Womans University, Seoul 03760, Korea
- Faculty of Science and Engineering, Meijo University, SENTAN, Japan Science and Technology Agency (JST), Nagoya, Aichi 468-8502, Japan
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Chen LC, Wang HP, Deng YH, Deng SP. Vesicle formation by proton transfer driven short-tailed fatty acids of C4-C8 chain length in water. SOFT MATTER 2017; 13:1291-1298. [PMID: 28106900 DOI: 10.1039/c6sm02307j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Ultrashort single-chain fatty acids self-assemble to form vesicles under certain proton-driven conditions. The protonation provides a larger charge area around the hydrophilic carbonyl headgroups, and proton shift as the key driving parameter was studied. The ultrashort fatty acids (C4-C8) formed stable unilamellar vesicles predominantly through out the whole range of tested pH levels (6.5-9.5). A proton-driven self-assembly process and effects on the phase transition were characterized by dynamic light scattering, transmission electron microscopy and cryo-transmission electron microscopy. In particular, we studied in greater detail the molecular packing characteristics of FA vesicles for geometric reasons and the protonation effect changes the molecular surface charge and further carboxylic acid headgroup motion. This study enhances the understanding of the physicochemical specificity of these membrane vesicles, and may facilitate the alteration of membrane function caused by FAs.
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Affiliation(s)
- Li-Chun Chen
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China. and Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Hong-Peng Wang
- Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Yu-Hao Deng
- Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Shao-Ping Deng
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China.
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Tian JN, Ge BQ, Shen YF, He YX, Chen ZX. Thermodynamics and Structural Evolution during a Reversible Vesicle-Micelle Transition of a Vitamin-Derived Bolaamphiphile Induced by Sodium Cholate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:1977-1988. [PMID: 26860930 DOI: 10.1021/acs.jafc.5b05547] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Interaction of endogenous sodium cholate (SC) with dietary amphiphiles would induce structural evolution of the self-assembled aggregates, which inevitably affects the hydrolysis of fat in the gut. Current work mainly focused on the interaction of bile salts with classical double-layered phospholipid vesicles. In this paper, the thermodynamics and structural evolution during the interaction of SC with novel unilamellar vesicles formed from vitamin-derived zwitterionic bolaamphiphile (DDO) were characterized. It was revealed that an increased temperature and the presence of NaCl resulted in narrowed micelle-vesicle coexistence and enlarged the vesicle region. The coexistence of micelles and vesicles mainly came from the interaction of monomeric SC with DDO vesicles, whereas micellar SC contributed to the total solubilization of DDO vesicles. This research may enrich the thermodynamic mechanism behind the structure transition of the microaggregates formed by amphiphiles in the gut. It will also contribute to the design of food formulation and drug delivery system.
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Affiliation(s)
- Jun-Nan Tian
- College of Food and Biology Engineering, Zhejiang Gongshang University , Hangzhou, Zhejiang 310018, People's Republic of China
| | - Bing-Qiang Ge
- College of Food and Biology Engineering, Zhejiang Gongshang University , Hangzhou, Zhejiang 310018, People's Republic of China
| | - Yun-Feng Shen
- College of Food and Biology Engineering, Zhejiang Gongshang University , Hangzhou, Zhejiang 310018, People's Republic of China
| | - Yu-Xuan He
- College of Food and Biology Engineering, Zhejiang Gongshang University , Hangzhou, Zhejiang 310018, People's Republic of China
| | - Zhong-Xiu Chen
- College of Food and Biology Engineering, Zhejiang Gongshang University , Hangzhou, Zhejiang 310018, People's Republic of China
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