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Chen J, Zhou M, Xin G, Bi J. The impact of ultrasonic-assisted extraction on the in vitro hypoglycemic activity of peach gum polysaccharide in relation to its conformational conversion. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:6947-6956. [PMID: 38597282 DOI: 10.1002/jsfa.13527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 03/19/2024] [Accepted: 04/08/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Peach gum (PG) is an exudate of the peach tree (Prunus persica of the Rosaceae family), which consists primarily of polysaccharides with a large molecular weight and branching structure. Consequently, PG can only swell in water and does not dissolve easily, which severely limits its application. Current conventional extraction methods for PG polysaccharide (PGPS) are time consuming and inefficient. This study investigated the impact of ultrasonic-assisted extraction (UAE) on PGPS structure and conformation, and their relationship to hypoglycemic activity in vitro. RESULTS In comparison with conventional aqueous extraction, UAE enhanced PGPS yielded from 28.07-32.83% to 80.37-84.90% (w/w) in 2 h. It drastically decreased the molecular size and conformational parameters of PGPS, including weight-average molecular weight (Mw), number-average molecular weight (Mn), z-average radius of gyration (Rg), hydrodynamic radius (Rh) and instrinsic viscosity ([η]) values. Peach gum polysaccharide conformation converted extended molecules to flexible random coil chains or compact spheres with no obvious primary structure alteration. Furthermore, UAE altered the flow behavior of PGPS solution from that of a non-Newtonian fluid to that of a Newtonian fluid. As a result, PGPS treated with UAE displayed weaker inhibitory activity than untreated PGPS, mostly because UAE weakens the binding strength of PGPS to α-glucosidase. However, this negative effect of UAE on PGPS activity was compensated by the increased solubility of polysaccharide. This enabled PGPS to achieve a wider range of doses. CONCLUSION Ultrasonic-assisted extraction is capable of degrading PGPS efficiently while preserving its primary structure, resulting in a Newtonian fluid solution. The degraded PGPS conformations displayed a consistent correlation with their inhibitory effect on α-glucosidase activity. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jiaxin Chen
- College of Food Science, Shenyang Agricultural University, Shenyang, China
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mo Zhou
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guang Xin
- College of Food Science, Shenyang Agricultural University, Shenyang, China
| | - Jinfeng Bi
- College of Food Science, Shenyang Agricultural University, Shenyang, China
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
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2
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Yan K, Liu X, Li L, Zhu S, Zheng L, He S, Jia X, Dong W, Liu Y, Lu Z, Yang F. Ultrasound-assisted deep eutectic solvents extraction of polysaccharides from Loquat leaf: Process optimization and bioactivity study. Int J Biol Macromol 2024; 274:133308. [PMID: 38908619 DOI: 10.1016/j.ijbiomac.2024.133308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 05/13/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Loquat leaves are the by-product of loquat fruit production. Polysaccharides are one of the main active ingredients in loquat leaves. In this study, polysaccharides were extracted from loquat leaves by ultrasonic-assisted deep eutectic solvents (DESs) extraction method. Further, the extracted crude loquat leaf polysaccharides (CLLP) were purified and separated via S-8 resin and DEAE-52 cellulose column chromatography, respectively. Additionally, the effects of polysaccharides on activity of sperm in boar semen preserved in medium at 17 °C, were evaluated preliminarily. DES, composed of choline chloride/ethylene glycol (1:6, molar ratio), was proved to be the suitable solvent for LLP extraction. The optimized extraction conditions were water content 44 %, liquid-solid ratio 1:29 (g/g), extraction temperature 61 °C and extraction time 98 min. Under these conditions, the LLP yield was 57.82 ± 1.50 mg/g. A homogeneous polysaccharide (LLP1-2, Mw: 2.17 × 104 Da) was isolated from CLLP. Its total sugar, uronic acid and protein contents were 76.31 ± 1.25 %, 14.19 ± 0.67 % and 3.28 ± 0.42 %, respectively. Further, 800 μg/mL LLP1-2 could effectively enhance the antioxidant activity of sperm. This study laid a foundation for DESs and column chromatography in the field of polysaccharide extraction and separation, proving that LLP can be used as a natural antioxidant for sperm preservation.
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Affiliation(s)
- Ke Yan
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xianglin Liu
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lin Li
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shuyu Zhu
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lijuan Zheng
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shuyang He
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaomin Jia
- School of Life Sciences, Yan'an University, Yan'an, Shaanxi 716000, China
| | - Wuzi Dong
- Shaanxi Dayi Xunlong Biotechnology Co., LTD, Yangling, Shaanxi 712100, China
| | - Yupeng Liu
- National Engineering & Technology Research Center of Forest Chemical Industry, Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu 210037, China
| | - Zhoumin Lu
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Fangxia Yang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; Shaanxi Provincial Key Laboratory of Economic Plant Resources Development and Utilization, College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China.
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3
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Zhang Q, Wu S, Dai Q, Hu P, Chen G. Effects of Different Drying Methods on the Structural Characteristics and Multiple Bioactivities of Rosa roxburghii Tratt Fruit Polysaccharides. Foods 2024; 13:2417. [PMID: 39123608 PMCID: PMC11312052 DOI: 10.3390/foods13152417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/23/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024] Open
Abstract
Drying conditions significantly impact the compositions and microstructures of polysaccharides, leading to various effects on their chemical characteristics and bioactivities. The objective of this study was to investigate how different industrial drying techniques, i.e., hot air drying, infrared drying, microwave vacuum drying, and freeze drying, affect the structural properties and biological activities of polysaccharides extracted from Rosa roxburghii Tratt fruit (RRTP). Results revealed that these drying methods significantly altered the extraction yield, molecular weights, monosaccharide ratios, contents of uronic acid and total sugars, gelling properties, particle sizes, thermal stability, and microstructures of RRTPs. However, the monosaccharide composition and functional groups of polysaccharides remained consistent across the different drying techniques. Biological activity assays demonstrated that RRTPs, particularly those processed through microwave vacuum drying (MVD-RRTP), exhibited excellent anti-linoleic acid oxidation, robust anti-glycosylation effects, and significant α-glucosidase inhibition in vitro. The outcomes of this research demonstrate that microwave vacuum drying serves as an effective pre-extraction drying method for RRTPs, enhancing their biological activities. This technique is particularly advantageous for preparing RRTPs intended for use in functional foods and pharmaceuticals, optimizing their health-promoting properties for industrial applications.
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Affiliation(s)
- Qiuqiu Zhang
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (Q.Z.); (S.W.); (Q.D.)
| | - Sha Wu
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (Q.Z.); (S.W.); (Q.D.)
| | - Qinghua Dai
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (Q.Z.); (S.W.); (Q.D.)
| | - Peng Hu
- School of Pharmacy, Hunan Traditional Chinese Medical College, Zhuzhou 412012, China
| | - Guangjing Chen
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (Q.Z.); (S.W.); (Q.D.)
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4
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Chen G, Sun M, Chen K, Wang L, Sun J. Ultrasonic-Assisted Decoloration of Polysaccharides from Seedless Chestnut Rose ( Rosa sterilis) Fruit: Insight into the Impact of Different Macroporous Resins on Its Structural Characterization and In Vitro Hypoglycemic Activity. Foods 2024; 13:1349. [PMID: 38731719 PMCID: PMC11083239 DOI: 10.3390/foods13091349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Pigments within polysaccharides pose significant challenges when analyzing their structural characteristics and evaluating their biological activities, making decolorization a crucial step in purifying these biomolecules. In this research, a novel approach using ultrasound-assisted static adsorption with macroporous resins was employed to decolorize polysaccharides extracted from seedless chestnut rose (Rosa sterilis S. D. Shi) fruit (RSP). Among the fourteen tested resins, AB-8, D101, D4020, HPD100, and S8 were identified as the most effective, demonstrating superior decoloration efficiency and polysaccharide recovery. Further examinations of RSPs treated with these five resins revealed distinct effects on their uronic acid levels, monosaccharide makeup, molecular weight, surface structure, and hypoglycemic properties. The RSP treated with HPD100 resin stood out for having the highest uronic acid content, smallest particle size, and lowest molecular weight, leading to the most notable inhibition of α-glucosidase activity through a mixed inhibition model. The application of HPD100 resin in the decolorization process not only potentially preserved the macromolecular structure of RSP but also enhanced its hypoglycemic efficacy. These findings provide a solid theoretical basis for further exploring RSP as a component of functional foods, underscoring the effectiveness of the ultrasound-assisted resin adsorption method in polysaccharide purification.
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Affiliation(s)
- Guangjing Chen
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (M.S.); (K.C.); (J.S.)
| | - Meiwen Sun
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (M.S.); (K.C.); (J.S.)
| | - Kaiwen Chen
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (M.S.); (K.C.); (J.S.)
- College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Lisha Wang
- Experimental Center, Guizhou Police College, Guiyang 550005, China;
| | - Juyan Sun
- College of Food Science and Engineering, Guiyang University, Guiyang 550005, China; (M.S.); (K.C.); (J.S.)
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5
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Ye L, Zhang QQ, Lin S, Zhang Q, Yan J, Wu DT, Liu SX, Qin W. A Polysaccharide from Ficus carica L. Exerts Immunomodulatory Activity in Both In Vitro and In Vivo Experimental Models. Foods 2024; 13:195. [PMID: 38254496 PMCID: PMC10814953 DOI: 10.3390/foods13020195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/01/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Polysaccharides from Ficus carica L. (FCP) exert multiple biological activities. As a biological macromolecule, the available knowledge about the specific structures and mechanisms of the biological activity of purified 'Brunswick' fig polysaccharides is currently limited. In the present study, chemical purification and characteristics were identified via chemical and instrumental analysis, and then the impact of FCP on immunomodulation activity in vitro and in vivo was examined. Structural characteristics showed that the molecular weight of the FCP sample was determined to be 127.5 kDa; the primary monosaccharides present in the FCP sample were galacturonic acid (GalA), arabinose (Ara), galactose (Gal), rhamnose (Rha), glucose (Glc), and xylose (Xyl) at a ratio of 0.321:0.287:0.269:0.091:0.013:0.011. Based on the investigation of in vitro immunomodulatory activity, FCP was found to stimulate the production of NO, TNF-α, and IL-6, and increased the pinocytic activity of macrophages. Further analysis revealed that FCP activated macrophages by interacting with Toll-like receptor 4 (TLR4). Moreover, the in vivo test results indicate that FCP showed a significant increase in serum pro-inflammatory factors in immunosuppressed mice. Overall, this study suggests that FCP has the potential to be utilized as a novel immunomodulator in the pharmaceutical and functional food industries.
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Affiliation(s)
- Lin Ye
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Qin-Qiu Zhang
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Shang Lin
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Qing Zhang
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Jing Yan
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Ding-Tao Wu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China;
| | - Shu-Xiang Liu
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
| | - Wen Qin
- College of Food Science, Sichuan Agricultural University, Ya’an 625014, China; (L.Y.); (Q.-Q.Z.); (S.L.); (Q.Z.); (J.Y.); (S.-X.L.)
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6
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Cai G, Dong H, Liu S, Wu W, Yang H. Comparative Evaluation of the Physiochemical Properties, and Antioxidant and Hypoglycemic Activities of Dendrobium officinale Leaves Processed Using Different Drying Techniques. Antioxidants (Basel) 2023; 12:1911. [PMID: 38001764 PMCID: PMC10669270 DOI: 10.3390/antiox12111911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 11/26/2023] Open
Abstract
Dendrobium officinale leaves have the potential to be processed into natural antioxidants, functional foods, and food additives. To maximally maintain their quality, fresh D. officinale leaves were dehydrated using different drying methods, i.e., hot air drying (HD), microwave drying (MD), infrared drying (IRD), and freeze drying (FD), and then the physicochemical properties, microstructure, and biological activities of the dried samples were compared. The results showed that, with the FD method, the samples had a porous microstructure, maintained the highest phenolic content, and demonstrated the highest antioxidant and hypoglycemic activities. Among the three thermal drying methods, with the IRD method, the samples retained higher phenolic contents, showed stronger DPPH free-radical scavenging, ferric ion reducing, ferrous ion chelating, and α-glucosidase inhibitory abilities, and more strongly promoted glucose metabolism in insulin-resistant HL-7702 cells than the samples with the MD and HD methods. These results suggested that FD was the most suitable method. However, IRD might be a promising alternative, owing to the high cost and long time needed for FD for the large-scale drying of D. officinale leaves.
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Affiliation(s)
- Gonglin Cai
- College of Life & Environmental Science, Wenzhou University, Wenzhou 325035, China; (G.C.); (H.D.); (S.L.)
| | - Hangmeng Dong
- College of Life & Environmental Science, Wenzhou University, Wenzhou 325035, China; (G.C.); (H.D.); (S.L.)
| | - Shoulong Liu
- College of Life & Environmental Science, Wenzhou University, Wenzhou 325035, China; (G.C.); (H.D.); (S.L.)
| | - Weijie Wu
- Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Hailong Yang
- College of Life & Environmental Science, Wenzhou University, Wenzhou 325035, China; (G.C.); (H.D.); (S.L.)
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 325035, China
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7
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Kalderis D, Görmez Ö, Saçlı B, Çalhan SD, Gözmen B. Valorization of loquat seeds by hydrothermal carbonization for the production of hydrochars and aqueous phases as added-value products. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118612. [PMID: 37480637 DOI: 10.1016/j.jenvman.2023.118612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/25/2023] [Accepted: 07/10/2023] [Indexed: 07/24/2023]
Abstract
In the framework of circular bio-economy, waste loquat seeds were utilized for the production of two added-value products. The seeds were hydrothermally carbonized at a temperature range of 150-250 °C and time range 2-6 h and the resultant hydrochars and aqueous phases were characterized using various methods. The optimum higher heating value of 30.64 MJ kg-1, ash content of 1.99 wt % and alkali index of 0.05 were achieved for the hydrochar prepared at 250 °C and 6 h, establishing its suitability for energy-related applications. The aqueous phase obtained at 250 °C and 6 h achieved 90% scavenging of the 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH) radical and had a IC50 value of 43.71 μg mL-1. Principal component analysis showed that the production of phenols, ketones, alkenes and organic acids was favored at >200 °C, whereas furans and aldehydes were primarily formed at 150 °C. Conclusively, both added-value products were obtained at the same optimum hydrothermal carbonization conditions of 250 °C and 6 h treatment time. In a bio-refinery context, this has the practical implication that both bio-products be obtained simultaneously, without the need to switch between different temperatures and residence times.
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Affiliation(s)
- Dimitris Kalderis
- Department of Electronics Engineering, Laboratory of Environmental Technologies and Applications (LETA), Hellenic Mediterranean University, Chania, Crete, 73100, Greece.
| | - Özkan Görmez
- Department of Chemistry, Faculty of Science, Mersin University, Mersin, Turkey
| | - Barış Saçlı
- Department of Chemistry, Faculty of Science, Mersin University, Mersin, Turkey
| | - Selda Doğan Çalhan
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Mersin University, Mersin, Turkey
| | - Belgin Gözmen
- Department of Chemistry, Faculty of Science, Mersin University, Mersin, Turkey
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8
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Guo H, Liu HY, Li H, Wu DT, Zhong LLD, Gan RY, Gao H. Recent advances in the influences of drying technologies on physicochemical properties and biological activities of plant polysaccharides. Crit Rev Food Sci Nutr 2023:1-21. [PMID: 37778371 DOI: 10.1080/10408398.2023.2259983] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Plant polysaccharides, as significant functional macromolecules with diverse biological properties, are currently receiving increasing attention. Drying technologies play a pivotal role in the research, development, and application of various foods and plant polysaccharides. The chemical composition, structure, and function of extracted polysaccharides are significantly influenced by different drying technologies (e.g., microwave, infrared, and radio frequency) and conditions (e.g., temperature). This study discusses and compares the principles, advantages, disadvantages, and effects of different drying processes on the chemical composition as well as structural and biological properties of plant polysaccharides. In most plant-based raw materials, molecular degradation, molecular aggregation phenomena along with intermolecular interactions occurring within cell wall components and cell contents during drying represent primary mechanisms leading to variations in chemical composition and structures of polysaccharides. These differences further impact their biological properties. The biological properties of polysaccharides are determined by a combination of multiple relevant factors rather than a single factor alone. This review not only provides insights into selecting appropriate drying processes to obtaining highly bioactive plant polysaccharides but also offers a fundamental theoretical basis for the structure-function relationship of these compounds.
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Affiliation(s)
- Huan Guo
- College of Biomass Science and Engineering and Healthy Food Evaluation Research Center, Sichuan University, Chengdu, China
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, National Agricultural Science and Technology Center, Chengdu, China
| | - Hong-Yan Liu
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, National Agricultural Science and Technology Center, Chengdu, China
| | - Hang Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Ding-Tao Wu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Linda L D Zhong
- Biomedical Sciences and Chinese Medicine, School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Ren-You Gan
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Hong Gao
- College of Biomass Science and Engineering and Healthy Food Evaluation Research Center, Sichuan University, Chengdu, China
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Zhang Y, Li J, Xie J, Xue B, Li X, Gan J, Sun T. The Impact of Food Processing on the Structure and Hypoglycemic Effect of Oat β-glucan. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023; 78:506-511. [PMID: 37624567 DOI: 10.1007/s11130-023-01095-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/11/2023] [Indexed: 08/26/2023]
Abstract
The impact of food processing including baking, steaming and bread making, on the structure and hypoglycemic effect of oat β-glucan was studied. The structural analysis revealed the β-D-glucopyranosyl units of β-glucan was unchanged in aforementioned processing. The baking processing endowed β-glucan with increased molecular weight (Mw) and viscosity, which enhanced the capacity of β-glucan to delay starch digestion in vitro, such as the rapidly-digestible starch content decreased, the slowly-digestible and resistant starch content increased, and the glycemic index (GI) value decreased. Meanwhile, the inhibitory activity of β-glucan against α-glucosidase and α-amylase was enhanced by baking processing. By contrast, during steaming and bread making processing, β-glucan showed decreased Mw and viscosity, which accelerated starch digestion in vitro and reduced the inhibitory activity of β-glucan against α-glucosidase and α-amylase. Apart from that, baking processing promoted the physiological and antioxidant properties of β-glucan, but the properties decreased during steaming and bread making processing. The results suggest that oat raw materials can be treated with dry heat and high temperature, avoiding moist heat and fermentation treatments to maximize the hypoglycemic effect of β-glucan.
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Affiliation(s)
- Yi Zhang
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jinran Li
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jing Xie
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Bin Xue
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Xiaohui Li
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jianhong Gan
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Tao Sun
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, 201306, China.
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10
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Wei L, Huang L, Du L, Sun Q, Chen C, Tang J, Teng J, Wei B. Structural Characterization and In Vitro Antioxidant, Hypoglycemic and Hypolipemic Activities of a Natural Polysaccharide from Liupao Tea. Foods 2023; 12:foods12112226. [PMID: 37297468 DOI: 10.3390/foods12112226] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
This study extracted and purified a natural polysaccharide (TPS-5) that has a molecular weight of 48.289 kDa from Liupao tea, a typical dark tea with many benefits to human health. TPS-5 was characterized as a pectin-type acidic polysaccharide. It has a backbone composed of → 2,4)- α- L-Rhap-(1) → 4)- α- D-GalAp-(1) →, with a branch composed of → 5)- α- L-Ara-(1 → 5,3)- α- L-Ara-(1 → 3)- β- D-Gal-(1 → 3,6)- β- D-Galp-(1) →. The in vitro biological activity evaluation illustrated that TPS-5 has free radical scavenging, ferric-ion-reducing, digestive enzyme inhibitory, and bile-salt-binding abilities. These results suggest that TPS-5 from Liupao tea has potential applications in functional foods or medicinal products.
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Affiliation(s)
- Lu Wei
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
- Institute of Food and Pharmaceutical Science, Guangxi Vocational University of Agriculture, Nanning 530007, China
| | - Li Huang
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Lijuan Du
- Institute of Food and Pharmaceutical Science, Guangxi Vocational University of Agriculture, Nanning 530007, China
| | - Qinju Sun
- Institute of Food and Pharmaceutical Science, Guangxi Vocational University of Agriculture, Nanning 530007, China
| | - Can Chen
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Jie Tang
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Jianwen Teng
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Baoyao Wei
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
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Tang C, Zhou R, Cao K, Liu J, Kan J, Qian C, Jin C. Current progress in the hypoglycemic mechanisms of natural polysaccharides. Food Funct 2023; 14:4490-4506. [PMID: 37083079 DOI: 10.1039/d3fo00991b] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
Unhealthy dietary pattern-induced type 2 diabetes mellitus poses a great threat to human health all over the world. Accumulating evidence has revealed that the pathophysiology of type 2 diabetes mellitus is closely associated with the dysregulation of glucose metabolism and energy metabolism, serious oxidative stress, prolonged endoplasmic reticulum stress, metabolic inflammation and intestinal microbial dysbiosis. Most important of all, insulin resistance and insulin deficiency are two key factors inducing type 2 diabetes mellitus. Nowadays, natural polysaccharides have gained increasing attention owing to their numerous health-promoting functions, such as hypoglycemic, energy-regulating, antioxidant, anti-inflammatory and prebiotic activities. Therefore, natural polysaccharides have been used to alleviate diet-induced type 2 diabetes mellitus. Specifically, this review comprehensively summarizes the underlying hypoglycemic mechanisms of natural polysaccharides and provides a theoretical basis for the development of functional foods. For the first time, this review elucidates hypoglycemic mechanisms of natural polysaccharides from the perspectives of their regulatory effects on glucose metabolism, insulin resistance and mitochondrial dysfunction.
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Affiliation(s)
- Chao Tang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Ruizheng Zhou
- Dongguan Institutes For Food and Drug Control, Dongguan 523808, Guangdong, China
| | - Kexin Cao
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Jun Liu
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Juan Kan
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Chunlu Qian
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
| | - Changhai Jin
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China.
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12
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Shi X, Feng J, Wang S, Huang J, Yu M. Primary structure, physicochemical properties, and digestive properties of four sequentially extracted polysaccharides from Tremella fuciformis. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.105005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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13
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Gao Y, Abuduaini G, Yang C, Zhang S, Zhang Y, Fan H, Teng X, Bao C, Liu H, Wang D, Liu T. Isolation, purification, and structural elucidation of Stropharia rugosoannulata polysaccharides with hypolipidemic effect. Front Nutr 2022; 9:1092582. [PMID: 36590213 PMCID: PMC9800831 DOI: 10.3389/fnut.2022.1092582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Stropharia rugosoannulata is a widely grown edible mushroom with a high nutritional value. S. rugosoannulata polysaccharides is one of the most important bioactive components of S. rugosoannulata and has a wide range of activities. A S. rugosoannulata polysaccharides, named SRF-3, was derived from the S. rugosoannulata extraction by freeze-thaw combine with hot water extraction method, then prepareed with DEAE-cellulose column and Sephacryl S-200 HR gel column, and its hypolipidemic activity was determined. The structural characteristics of SRF-3 were analyzed by infrared spectral scanning (FT-IR), ultra-high performance liquid chromatography (UHPLC), acid hydrolysis, methylation analysis, nuclear magnetic resonance (NMR), and Gas Chromatography-Mass Spectrometer (GC-MS). SRF-3 is composed of mannose, galactose, methyl galactose and fructose with ratios of 16, 12, 58 and 12, respectively. In addition, the average relative molecular mass of SRF-3 is approximately 24 kDa. The main chain of SRF-3 is mainly composed of repeating α-D-1,6-Galp and α-D-1,6-Me-Galp units, with branches in the O-2 position of Gal. The structure is presumed to be a mannogalactan, with a small amount of t-β-D-Manp present as a side chain. Hypolipidemic activity assay showed that SRF-3 had good antioxidant and hypolipidemic effects in vitro, suggesting that SRF-3 have potential application in reducing liver fat accumulation.
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Affiliation(s)
- Yinlu Gao
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Scientific Research Base of Edible Mushroom Processing Technology Integration, Ministry of Agriculture and Rural Affairs, Changchun, China
| | - Gulijiannaiti Abuduaini
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Engineering Research Center of Grain Deep-Processing and High-Efficiency Utilization of Jilin, Changchun, China
| | - Chenhe Yang
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Key Laboratory of Technological Innovations for Grain Deep-Processing and High-Efficiency Utilization of By-Products of Jilin, Changchun, China
| | - Shanshan Zhang
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Engineering Research Center of Grain Deep-Processing and High-Efficiency Utilization of Jilin, Changchun, China
| | - Yanrong Zhang
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Engineering Research Center of Grain Deep-Processing and High-Efficiency Utilization of Jilin, Changchun, China
| | - Hongxiu Fan
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Scientific Research Base of Edible Mushroom Processing Technology Integration, Ministry of Agriculture and Rural Affairs, Changchun, China
| | - Xu Teng
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Key Laboratory of Technological Innovations for Grain Deep-Processing and High-Efficiency Utilization of By-Products of Jilin, Changchun, China
| | - Chenligen Bao
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Key Laboratory of Technological Innovations for Grain Deep-Processing and High-Efficiency Utilization of By-Products of Jilin, Changchun, China
| | - Hongcheng Liu
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Engineering Research Center of Grain Deep-Processing and High-Efficiency Utilization of Jilin, Changchun, China
| | - Dawei Wang
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Scientific Research Base of Edible Mushroom Processing Technology Integration, Ministry of Agriculture and Rural Affairs, Changchun, China,*Correspondence: Dawei Wang,
| | - Tingting Liu
- School of Food Science and Engineering, Jilin Agricultural University, Changchun, China,Scientific Research Base of Edible Mushroom Processing Technology Integration, Ministry of Agriculture and Rural Affairs, Changchun, China,Tingting Liu,
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14
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Effect of different processing methods of hawthorn on the properties and emulsification performance of hawthorn pectin. Carbohydr Polym 2022; 298:120121. [DOI: 10.1016/j.carbpol.2022.120121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 09/08/2022] [Accepted: 09/13/2022] [Indexed: 11/27/2022]
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15
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Zhu X, Wang L, Zhao T, Jiang Q. Traditional uses, phytochemistry, pharmacology, and toxicity of Eriobotrya japonica leaves: A summary. JOURNAL OF ETHNOPHARMACOLOGY 2022; 298:115566. [PMID: 35870687 DOI: 10.1016/j.jep.2022.115566] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 07/02/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Eriobotrya japonica Lindl. has been included in "The Plant List" (http://www.theplantlist.org) and is the most widely researched species in its genus. E. japonica is a subtropical evergreen fruit tree belonging to the Rosaceae family. Its dried leaves are widely used in traditional Chinese herbal medicine to treat coughing caused by pulmonary inflammation, dyspnea due to asthma and cough, nausea caused by stomach disorders, restlessness, and thirst. Furthermore, it is used to treat stomach ache, ulcers, chronic bronchitis, cancer, and diabetes mellitus in Japanese folk medicine. However, no systematic reports on E. japonica leaves have been published before. AIM OF THE STUDY This review summarizes the available information on the traditional uses, phytochemistry, pharmacology, toxicity, and quality control of various extracts and phytoconstituents of E. japonica leaves. MATERIALS AND METHODS Relevant publications between 1931 and 2022 were considered. Chinese and English studies on E. japonica leaves were collected from databases, including PubMed, Web of Science, Elsevier, ACS Publications, Springer, and CNKI (Chinese). The traditional uses, phytochemistry, pharmacology, toxicity, and quality control of E. japonica leaves were reviewed. RESULTS Briefly, 164 compounds, including triterpenes, flavonoids, sesquiterpene glycosides, megastigmane derivatives, phenylpropanoids, and organic acids, have been identified from E. japonica leaves, in addition to 169 volatile oils. More than half of these compounds have not yet been reported to have pharmacological activities. Triterpenes and flavonoids are the most important bioactive compounds responsible for pharmacological activities, such as antidiabetic, anti-inflammatory, and antitumor activities. Other beneficial physiological effects such as antioxidant, hepatoprotective, bronchodilatory, antitussive, and expectorant effects and tracheal smooth muscle relaxation, protection against myocardial ischemia injury, and improved cognitive activities have also been reported. High doses of E. japonica leaf extracts have been used in laboratory animals, and no side effects or toxicity-symptoms have been observed. CONCLUSIONS The pharmacological activities of E. japonica leaves support their use in traditional Chinese herbal medicine. However, several aspects, such as the bioavailability, pharmacodynamics, pharmacokinetics, mechanism of action, and structure-activity relationships of the pure compounds isolated from E. japonica leaves, have not been studied yet and warrant further studies.
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Affiliation(s)
- Xu Zhu
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Lin Wang
- School of Pharmacy, China Medical University, Shenyang, 110122, China.
| | - Tie Zhao
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Qinghua Jiang
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
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16
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Lei J, Li W, Fu MX, Wang AQ, Wu DT, Guo H, Hu YC, Gan RY, Zou L, Liu Y. Pressurized hot water extraction, structural properties, biological effects, and in vitro microbial fermentation characteristics of sweet tea polysaccharide. Int J Biol Macromol 2022; 222:3215-3228. [DOI: 10.1016/j.ijbiomac.2022.10.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/27/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022]
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17
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Wei Y, Du X, Guo Y, Chang M, Deng B, Liu J, Cao J. Elucidation of physicochemical properties of polysaccharides extracted from Cordyceps militaris fruiting bodies with different drying treatments and their effects on ulcerative colitis in zebrafish. Front Nutr 2022; 9:980357. [PMID: 36118767 PMCID: PMC9481070 DOI: 10.3389/fnut.2022.980357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Dry fruiting bodies of Cordyceps militaris (CMF) have been widely used in folk tonic foods and traditional herbal medicine in East Asia. Drying treatment serves as the last step in CMF industrial processes. In this work, the physicochemical properties of polysaccharides from C. militaris fruiting bodies (CMFPs) with hot air drying (HD), far-infrared radiation drying (ID) and vacuum freeze-drying (FD) treatments were analyzed, and their effects on ulcerative colitis (UC) were further investigated in oxazolone-induced zebrafish. The results showed that physicochemical properties of CMFP-H, CMFP-I and CMFP-F were obvious different. CMFPs could repair the intestinal mucosal barrier, inhibit ROS generation and the activities of MDA and MPO, and improve the activities of SOD, CAT, ACP, AKP and LZM. Further detection indicated that CMFPs could better improve UC via activating the MyD88/NF-κB signaling pathway in vivo. However, CMFP-H, CMFP-F and CMFP-I exhibited diverse regulation effects on specific immune-related enzymes and cytokines. The data would be helpful for finding practical and rapid drying methods for macro-fungi and further exploring CMFPs as functional food ingredients or complementary medicines for the treatments of UC.
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Affiliation(s)
- Yin Wei
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
| | - Xiao Du
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
| | - Yangbian Guo
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
- Shanxi Key Laboratory of Edible Fungi for Loess Plateau, Taiyuan, China
| | - Mingchang Chang
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center of Quality and Efficiency of Loess Plateau Edible Fungi, Jinzhong, China
| | - Bing Deng
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
- Shanxi Key Laboratory of Edible Fungi for Loess Plateau, Taiyuan, China
| | - Jingyu Liu
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
- Shanxi Key Laboratory of Edible Fungi for Loess Plateau, Taiyuan, China
- Collaborative Innovation Center of Quality and Efficiency of Loess Plateau Edible Fungi, Jinzhong, China
- *Correspondence: Jingyu Liu
| | - Jinling Cao
- College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
- Shanxi Key Laboratory of Edible Fungi for Loess Plateau, Taiyuan, China
- Jinling Cao
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18
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Zheng Q, Jia RB, Luo D, Lin L, Chen C, Zhao M. The effect of extraction solution pH level on the physicochemical properties and α-glucosidase inhibitory potential of Fucus vesiculosus polysaccharide. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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19
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Chen J, Zhou M, Liu M, Bi J. Physicochemical, rheological properties and in vitro hypoglycemic activities of polysaccharide fractions from peach gum. Carbohydr Polym 2022; 296:119954. [DOI: 10.1016/j.carbpol.2022.119954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/05/2022] [Accepted: 08/01/2022] [Indexed: 11/02/2022]
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20
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Liu R, Guo Y, Lyu Y, Rao Q, Wang Y, Zhu J, Chen L, Zhang Q, Hou Y, Ye Z, Lu J. Myriophyllum spicatum Leaves: Aerophily for Gas Collection and Transportation in Water. ACS APPLIED BIO MATERIALS 2022; 5:3469-3475. [PMID: 35727224 DOI: 10.1021/acsabm.2c00395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The unique living environment of aquatic plants makes them produce many fantastic properties different from land ones. For instance, the leaves of Myriophyllum spicatum show excellent hydrophobicity and aerophily characteristics. In this paper, the abundant morphological structure, composition, and aerophily properties of Myriophyllum spicatum leaves are revealed. The contact angle of the leaf surface can reach 122° in air, exhibiting wonderful gas collection ability under water. The results showed that the aerophily of the leaves is attributed to the multistage micro-nanostructure and waxy layer on the surface. The gas transportation toward the tips of leaves is based on the void gradient formed by the nanoscale morphology at different growth stages and the buoyancy as well. These features provide bionic experience for gas collection, bubble transportation, and liquid resistance reduction in water environments.
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Affiliation(s)
- Rumin Liu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yichuan Guo
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yuxuan Lyu
- Chongde Middle School, Hangzhou No. 15 Middle School Education Group, Hangzhou 310027, China
| | - Qingqing Rao
- College of Chemical and Materials Engineering, Zhejiang A&F University, Lin'an 311300, China
| | - Yuan Wang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Juan Zhu
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Lingxiang Chen
- Key Laboratory for Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, China
| | - Qinghua Zhang
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yang Hou
- College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhizhen Ye
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Jianguo Lu
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.,Key Laboratory for Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, China
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21
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Wu DT, Li F, Feng KL, Hu YC, Gan RY, Zou L. A comparison on the physicochemical characteristics and biological functions of polysaccharides extracted from Taraxacum mongolicum by different extraction technologies. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01439-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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The effects of different drying methods on the structural characteristics and bioactivities in vitro of polysaccharides from coconut (Cocos nucifera L.) water. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01346-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Xu J, Wang D, Lei Y, Cheng L, Zhuang W, Tian Y. Effects of combined ultrasonic and microwave vacuum drying on drying characteristics and physicochemical properties of Tremella fuciformis. ULTRASONICS SONOCHEMISTRY 2022; 84:105963. [PMID: 35240409 PMCID: PMC8889406 DOI: 10.1016/j.ultsonch.2022.105963] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 02/09/2022] [Accepted: 02/23/2022] [Indexed: 05/08/2023]
Abstract
This study analyzes the effects of ultrasonic waves on the drying kinetics of Tremella fuciformis during microwave vacuum drying. The physicochemical properties and structural characteristics of T. fuciformis polysaccharides (TFPs) were studied by drying tremella samples using hot air drying (HAD), microwave vacuum drying, ultrasonic pretreatments with microwave vacuum drying (US + MVD), and air-borne ultrasonic pretreatments combined with microwave vacuum drying (USMVD) under acoustic energy densities of 0.14, 0.28, and 0.42 W/mL. The results showed that USMVD and US + MVD accelerated the mass transfer process of T. fuciformis. Compared with HAD treatment, TFP samples obtained by USMVD and US + MVD had a reduced molecular weight to a certain extent, and they had stronger shear thinning ability. In addition, USMVD-TFPs at 0.42 W/mL retained higher total sugar, reducing sugar, and uronic acid, and the degree of reduction in the monosaccharide component content was small.
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Affiliation(s)
- Jingxin Xu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Danni Wang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Yanping Lei
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Lujie Cheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Weijing Zhuang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Yuting Tian
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China; Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China.
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24
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Zhang S, Zhang H, Shi L, Li Y, Tuerhong M, Abudukeremu M, Cui J, Li Y, Jin DQ, Xu J, Guo Y. Structure features, selenylation modification, and improved anti-tumor activity of a polysaccharide from Eriobotrya japonica. Carbohydr Polym 2021; 273:118496. [PMID: 34560937 DOI: 10.1016/j.carbpol.2021.118496] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/02/2021] [Accepted: 07/21/2021] [Indexed: 12/16/2022]
Abstract
A homogeneous polysaccharide, EJP90-1, was isolated from the leaves of E. japonica by hot water extraction in this study. EJP90-1 (7702 Da) was a heteropolysaccharide mainly consisting of →5)-linked-α-L-Araf-(1→, →4)-linked-β-D-Manp-(1→, →2,4)-linked-α-L-Rhap-(1→, →4)-linked-α-D-Xylp-(1→, →4)-linked-β-D-Galp-(1→, →2)-linked-β-D-Galp-(1→, →6)-linked-β-D-Glcp-(1→, α-D-Glcp-(4→, and t-linked-α-L-Araf. EJP90-1 was found to show moderate anti-tumor activity at the cellular level. In order to improve the anti-tumor activity and the potential applications of EJP90-1, a typical sodium selenite-nitric acid (Na2SeO3-HNO3) modification on EJP90-1 was carried out. X-ray photoelectron spectroscopy (XPS) and energy dispersive spectrometer (EDS) analysis confirmed that Se was successfully introduced into the polymer chain of EJP90-1. The subsequent in vitro cytotoxicity evaluation showed the selenylation modification derivative (EJP90-1-Se) possessed significant antiproliferative activity against cancer cells (HepG2 and A549 cells) through inducing cell apoptosis. The anti-tumor activity of EJP90-1-Se was further confirmed by zebrafish models, which inhibited the proliferation and migration of HepG2 cells and the angiogenesis.
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Affiliation(s)
- Shaojie Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China
| | - Han Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China
| | - Lijuan Shi
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China
| | - Ying Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China
| | - Muhetaer Tuerhong
- College of Chemistry and Environmental Sciences, Laboratory of Xinjiang Native Medicinal and Edible Plant Resources Chemistry, Kashgar University, Kashgar 844000, People's Republic of China
| | - Munira Abudukeremu
- College of Chemistry and Environmental Sciences, Laboratory of Xinjiang Native Medicinal and Edible Plant Resources Chemistry, Kashgar University, Kashgar 844000, People's Republic of China
| | - Jianlin Cui
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Yuhao Li
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Da-Qing Jin
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
| | - Jing Xu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China.
| | - Yuanqiang Guo
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Tianjin Key Laboratory of Molecular Drug Research, and Drug Discovery Center for Infectious Disease, Nankai University, Tianjin 300350, People's Republic of China.
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25
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Li Q, Zeng J, Gong P, Wu Y, Li H. Effect of steaming process on the structural characteristics and antioxidant activities of polysaccharides from Polygonatum sibiricum rhizomes. Glycoconj J 2021; 38:561-572. [PMID: 34495423 DOI: 10.1007/s10719-021-10013-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 07/01/2021] [Accepted: 07/27/2021] [Indexed: 01/03/2023]
Abstract
Polygonatum sibiricum (P. sibiricum) rhizomes are widely used as a tonic and functional food, and are often processed to enhance their tonic function by repeated steaming and drying. As the most important constituent, the polysaccharide from P. sibiricum rhizomes (PSP) has demonstrated various activities, but the alteration of structural characteristics and activities of the purified PSPs during steaming process was rarely investigated. To well understand the effect of steaming process on the polysaccharides of P. sibiricum, neutral polysaccharides from P. sibiricum rhizomes (PSP0 ~ PSP9) after steaming were first isolated and purified, and then the chemical properties and antioxidant activities were determined. The results showed that the molar ratios of monosaccharides in PSPs were different. The molecular weights of PSPs were increased significantly after the fourth steaming. Morphological studies showed that the surface of PSPs became much tighter during the steaming process. Fourier transform infrared spectroscopy spectra displayed the polysaccharides had similar backbones and chemical groups. Furthermore, the antioxidant activity of PSPs was measured through radical scavenging tests. It was found that the radical scavenging activity of PSPs was elevated strikingly after steaming, and increased gradually with numbers of steaming process. The biological and chemical variance of PSPs revealed considerable segregation of PSP0, PSP1 ~ PSP4 and PSP5 ~ PSP9. In conclusion, our results proposed the fourth time as the optimal number of steaming to extract functional polysaccharide from P. sibiricum rhizomes.
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Affiliation(s)
- Qinying Li
- School of Marine Science and Technology, Weihai Marine Organism & Medical Technology Research Institute, Harbin Institute of Technology, Weihai, 264209, PR China.
| | - Jun Zeng
- School of Marine Science and Technology, Weihai Marine Organism & Medical Technology Research Institute, Harbin Institute of Technology, Weihai, 264209, PR China
| | - Pixian Gong
- School of Marine Science and Technology, Weihai Marine Organism & Medical Technology Research Institute, Harbin Institute of Technology, Weihai, 264209, PR China
| | - Yanchao Wu
- School of Marine Science and Technology, Weihai Marine Organism & Medical Technology Research Institute, Harbin Institute of Technology, Weihai, 264209, PR China
- Weihai Huiankang Biotechnology Co. Ltd, 264200, Weihai, 264209, P. R. China
| | - Huijing Li
- School of Marine Science and Technology, Weihai Marine Organism & Medical Technology Research Institute, Harbin Institute of Technology, Weihai, 264209, PR China
- Weihai Huiankang Biotechnology Co. Ltd, 264200, Weihai, 264209, P. R. China
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26
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Li W, Wu DT, Li F, Gan RY, Hu YC, Zou L. Structural and Biological Properties of Water Soluble Polysaccharides from Lotus Leaves: Effects of Drying Techniques. Molecules 2021; 26:molecules26154395. [PMID: 34361549 PMCID: PMC8347772 DOI: 10.3390/molecules26154395] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/15/2021] [Accepted: 07/18/2021] [Indexed: 01/09/2023] Open
Abstract
In the present study, the influence of five drying techniques on the structural and biological properties of polysaccharides from lotus leaves (LLPs) was investigated. Results revealed that the yields, contents of basic chemical components, molecular weights, and molar ratios of compositional monosaccharides of LLPs varied by different drying technologies. Low molecular weight distributions were observed in polysaccharides obtained from lotus leaves by hot air drying (LLP-H), microwave drying (LLP-M), and radio frequency drying (LLP-RF), respectively. The high contents of bound polyphenolics were measured in LLP-H and LLP-M, as well as polysaccharides obtained from lotus leaves by vacuum drying (LLP-V). Furthermore, both Fourier transform infrared (FT-IR) and nuclear magnetic resonance (NMR) spectra of LLPs were similar, indicating that drying technologies did not change their basic chemical structures. Besides, all LLPs exhibited obvious biological properties, including in vitro antioxidant capacities, antiglycation activities, and inhibitory effects on α-glucosidase. Indeed, LLP-H exhibited higher 2,2-azidobisphenol (3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging ability (IC50 values, LLP-H, 0.176 ± 0.004 mg/mL; vitamin C, 0.043 ± 0.002 mg/mL) and 2,2-diphenyl-1-(2,4,6-trinitrate phenyl) hydrazine radical scavenging ability (IC50 values, LLP-H, 0.241 ± 0.007 mg/mL; butylated hydroxytoluene, 0.366 ± 0.010 mg/mL) than others, and LLP-M exerted stronger antiglycation (IC50 values, LLP-M, 1.023 ± 0.053 mg/mL; aminoguanidine, 1.744 ± 0.080 mg/mL) and inhibitory effects on α-glucosidase (IC50 values, LLP-M, 1.90 ± 0.02 μg/mL; acarbose, 724.98 ± 16.93 μg/mL) than others. These findings indicate that both hot air drying and microwave drying can be potential drying techniques for the pre-processing of lotus leaves for industrial applications.
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Affiliation(s)
- Wei Li
- Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; (W.L.); (R.-Y.G.); (Y.-C.H.)
- School of Basic Medical Sciences, Chengdu University, Chengdu 610106, China
| | - Ding-Tao Wu
- Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; (W.L.); (R.-Y.G.); (Y.-C.H.)
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya’an 625014, China;
- Correspondence: or (D.-T.W.); (L.Z.)
| | - Fen Li
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya’an 625014, China;
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China
| | - Ren-You Gan
- Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; (W.L.); (R.-Y.G.); (Y.-C.H.)
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China
| | - Yi-Chen Hu
- Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; (W.L.); (R.-Y.G.); (Y.-C.H.)
| | - Liang Zou
- Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; (W.L.); (R.-Y.G.); (Y.-C.H.)
- Correspondence: or (D.-T.W.); (L.Z.)
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Zhang M, Lai T, Yao M, Zhang M, Yang Z. Interaction of the Exopolysaccharide from Lactobacillus plantarum YW11 with Casein and Bioactivities of the Polymer Complex. Foods 2021; 10:foods10061153. [PMID: 34063954 PMCID: PMC8224047 DOI: 10.3390/foods10061153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/02/2021] [Accepted: 05/18/2021] [Indexed: 01/07/2023] Open
Abstract
There has been an increased application of exopolysaccharide (EPS)-producing lactic acid bacteria (LAB) in fermented dairy products, but interactions between EPS and casein (CAS), and bioactivities of their complex are poorly studied. In this study, EPS produced by Lactobacillus plantarum YW11 (EPS-YW11) was studied for interactions with CAS in a simulated fermentation system acidified by D-(+)-gluconic acid δ-lactone. The results showed that there was interaction between EPS-YW11 and CAS when EPS (up to 1%, w/v) was added to the casein solution (3%, w/v) as observed with increased viscoelasticity, water holding capacity, ζ-potential and particle size of EPS-YW11/CAS complex compared with CAS alone. Microstructural analysis showed that a higher concentration of EPS facilitated more even distribution of CAS particles that were connected through the polysaccharide chains. Infrared spectroscopy further confirmed interactions between EPS and CAS by intermolecular hydrogen bonding, electrostatic and hydrophobic contacts. Further evaluation of the bioactivities of EPS-YW11/CAS complex revealed significantly increased antibiofilm, antioxidation, and bile acids binding capacity. The present study provides further understanding on the mechanism of interactions between EPS produced by LAB and CAS, which would benefit potential applications of EPS in fermented dairy products with enhanced functionality.
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Shang H, Cao Z, Zhang H, Guo Y, Zhao J, Wu H. Physicochemical characterization and in vitro biological activities of polysaccharides from alfalfa (Medicago sativa L.) as affected by different drying methods. Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.12.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Jia Y, Xue Z, Wang Y, Lu Y, Li R, Li N, Wang Q, Zhang M, Chen H. Chemical structure and inhibition on α-glucosidase of polysaccharides from corn silk by fractional precipitation. Carbohydr Polym 2021; 252:117185. [DOI: 10.1016/j.carbpol.2020.117185] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 09/20/2020] [Accepted: 09/28/2020] [Indexed: 01/09/2023]
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Wu DT, Fu Y, Guo H, Yuan Q, Nie XR, Wang SP, Gan RY. In vitro simulated digestion and fecal fermentation of polysaccharides from loquat leaves: Dynamic changes in physicochemical properties and impacts on human gut microbiota. Int J Biol Macromol 2020; 168:733-742. [PMID: 33232697 DOI: 10.1016/j.ijbiomac.2020.11.130] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/21/2020] [Accepted: 11/18/2020] [Indexed: 12/30/2022]
Abstract
The aim of this study was to well understand the dynamic changes of physicochemical properties of polysaccharides from loquat leaves (LLP) during in vitro simulated saliva-gastrointestinal digestion and fecal fermentation and its related impacts on human gut microbiota. Results showed that the contents of reducing sugar of LLP slightly increased during the gastrointestinal digestion, and its molecular weight also slightly decreased, suggesting that LLP could be slightly degraded under the gastrointestinal digestion conditions. Moreover, during the fecal fermentation, the molecular weight of the indigestible LLP (LLP-I) significantly decreased, and the molar ratio of constituent monosaccharides of LLP-I, such as glucuronic acid, galacturonic acid, galactose, and arabinose, significantly changed, indicating that LLP-I could be degraded and consumed by human gut microbiota. Indeed, some beneficial bacteria such as Megasphaera, Megamonas, Bifidobacterium, Phascolarctobacterium, and Desulfovibrio significantly increased, suggesting that LLP-I could change the composition and abundance of gut microbiota. LLP-I could also promote the production of health-promoting short chain fatty acids. Results from this study are benefical to well understand the in vitro digestion and fecal fermentation behaviors of LLP, and LLP can be developed as a potential prebiotic in the functional food industry.
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Affiliation(s)
- Ding-Tao Wu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Yuan Fu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China
| | - Huan Guo
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China
| | - Qin Yuan
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Xi-Rui Nie
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Sheng-Peng Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao
| | - Ren-You Gan
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China.
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Li F, Feng KL, Yang JC, He YS, Guo H, Wang SP, Gan RY, Wu DT. Polysaccharides from dandelion (Taraxacum mongolicum) leaves: Insights into innovative drying techniques on their structural characteristics and biological activities. Int J Biol Macromol 2020; 167:995-1005. [PMID: 33188812 DOI: 10.1016/j.ijbiomac.2020.11.054] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022]
Abstract
The aim of this study was to well understand the impacts of innovative drying techniques (radio frequency drying and microwave drying) and traditional drying techniques (vacuum drying, freezing drying, and hot air drying) on the structural characteristics and bioactivities of polysaccharides from dandelion leaves (DLPs). Five different DLPs were obtained from dandelion leaves dried by abovementioned drying techniques. Results showed that the structural characteristics and bioactivities of DLPs varied with different drying techniques. The molecular weights, apparent viscosities, molar ratios of constituent monosaccharide, contents of uronic acids, and contents of bonded polyphenolics in DLPs obtained by different drying techniques had noticeable variations, while the types of constituent monosaccharides and the major glycosidic linkages in DLPs were similar. In addition, results showed that DLPs, especially DLP-RF obtained by the radio frequency drying, exhibited remarkable antioxidant activities (ABTS, DPPH, and NO radical scavenging activities), excellent in vitro antiglycation activity, and obvious in vitro inhibitory activity on α-glucosidase. Results from this study suggest that the radio frequency drying can be used as a potential drying technique before extracting DLPs for applications in the functional food and medicine industries.
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Affiliation(s)
- Fen Li
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China
| | - Kang-Lin Feng
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China
| | - Jian-Chun Yang
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China
| | - Yuan-Shu He
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China
| | - Huan Guo
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, Sichuan, China
| | - Sheng-Peng Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao
| | - Ren-You Gan
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, Sichuan, China.
| | - Ding-Tao Wu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
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Influences of different drying methods on the structural characteristics and prebiotic activity of polysaccharides from bamboo shoot (Chimonobambusa quadrangularis) residues. Int J Biol Macromol 2020; 155:674-684. [DOI: 10.1016/j.ijbiomac.2020.03.223] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/22/2020] [Accepted: 03/25/2020] [Indexed: 12/19/2022]
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