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Wang Y, Sun X, Zhou Y, Liu J, Zhu H, Jiang R, Miao Y, Fu Y. A ratiometric fluorescent probe based on UiO-66-TCPP for selective and visual detection of quercetin in food. Food Chem 2024; 457:140198. [PMID: 38936127 DOI: 10.1016/j.foodchem.2024.140198] [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: 04/03/2024] [Revised: 06/07/2024] [Accepted: 06/21/2024] [Indexed: 06/29/2024]
Abstract
Quercetin (QCT) is a flavonoid with significant health benefits, necessitating sensitive detection methods for food safety and quality control. This study presents a novel UiO-66-TCPP ratiometric fluorescent probe for the quantitative and visual detection of QCT. Under optimal conditions, the fluorescence intensity of UiO-66-TCPP decreased linearly with increasing QCT concentration, with a detection limit of 26 nM. The probe demonstrated high specificity, showing no significant interference from various substances and QCT analogues. Practical applicability was confirmed by testing artificially contaminated juice samples, achieving recovery rates between 98.0% and 104.8%. Furthermore, a paper-based sensor was developed by incorporating UiO-66-TCPP onto Whatman#1 chromatography paper. This sensor exhibited stable fluorescence and a reliable, sensitive visual response to QCT concentrations, detectable via a smartphone-based color recognizer application. The UiO-66-TCPP ratiometric fluorescent probe provides a sensitive, specific, and practical method for detecting QCT in food matrices, offering significant potential for both laboratory and on-site applications.
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Affiliation(s)
- Yiran Wang
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China; School of Food Sciences and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, Jiangsu Province, PR China
| | - Xiaolong Sun
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China
| | - Yufeng Zhou
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China; School of Food Sciences and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, Jiangsu Province, PR China
| | - Jiachen Liu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China; School of Food Sciences and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, Jiangsu Province, PR China
| | - Huayue Zhu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China
| | - Ru Jiang
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China
| | - Yingjie Miao
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China.
| | - Yongqian Fu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, School of Life Sciences, Taizhou University, Taizhou 318000, Zhejiang Province, PR China.
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Zou Y, Jiang J, Li Y, Ding X, Fang F, Chen L. Quercetin Regulates Microglia M1/M2 Polarization and Alleviates Retinal Inflammation via ERK/STAT3 Pathway. Inflammation 2024:10.1007/s10753-024-01997-5. [PMID: 38411775 DOI: 10.1007/s10753-024-01997-5] [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: 12/10/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 02/28/2024]
Abstract
Retinal inflammation is a pivotal characteristic observed in various retinal degenerative disorders, notably age-related macular degeneration (AMD), primarily orchestrated by the activation of microglia. Targeting the inhibition of microglial activation has emerged as a therapeutic focal point. Quercetin (Qu), ubiquitously present in dietary sources and tea, has garnered attention for its anti-neuroinflammatory properties. However, the impact of Qu on retinal inflammation and the associated mechanistic pathways remains incompletely elucidated. In this study, retinal inflammation was induced in adult male C57BL/6 J mice through intraperitoneal administration of LPS. The results revealed that Qu pre-treatment induces a phenotypic shift in microglia from M1 phenotype to M2 phenotype. Furthermore, Qu attenuated retinal inflammation and stabilized the integrity of the blood-retina barrier (BRB). In vitro experiments revealed that Qu impedes microglial activation, proliferation, and migration, primarily via modulation the ERK/STAT3 signaling pathway. Notably, these actions of Qu significantly contributed to the preservation of photoreceptors. Consequently, Qu pre-treatment holds promise as an effective strategy for controlling retinal inflammation and preserving visual function.
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Affiliation(s)
- Yue Zou
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, China NHC Key Laboratory of Myopia (Fudan University) Key Laboratory of Myopia Chinese Academy of Medical Sciences, Fudan University, 83 Fenyang Road, Xuhui District, Shanghai, 200031, China
- Yunnan Eye Institute & Key Laboratory of Yunnan Province, Yunnan Eye Disease Clinical Medical Center, Affiliated Hospital of Yunnan University, Yunnan University, Kunming, China
| | - Junliang Jiang
- Department of Orthopedics & Traumatology, Affiliated Hospital of Yunnan University, Yunnan University, Kunming, China
| | - Yunqin Li
- Yunnan Eye Institute & Key Laboratory of Yunnan Province, Yunnan Eye Disease Clinical Medical Center, Affiliated Hospital of Yunnan University, Yunnan University, Kunming, China
| | - Xinyi Ding
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, China NHC Key Laboratory of Myopia (Fudan University) Key Laboratory of Myopia Chinese Academy of Medical Sciences, Fudan University, 83 Fenyang Road, Xuhui District, Shanghai, 200031, China
| | - Fang Fang
- Yunnan Eye Institute & Key Laboratory of Yunnan Province, Yunnan Eye Disease Clinical Medical Center, Affiliated Hospital of Yunnan University, Yunnan University, Kunming, China
| | - Ling Chen
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, China NHC Key Laboratory of Myopia (Fudan University) Key Laboratory of Myopia Chinese Academy of Medical Sciences, Fudan University, 83 Fenyang Road, Xuhui District, Shanghai, 200031, China.
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Liu S, Loo YT, Zhang Y, Ng K. Electrospray alginate microgels co-encapsulating degraded Konjac glucomannan and quercetin modulate human gut microbiota in vitro. Food Chem 2024; 434:137508. [PMID: 37738812 DOI: 10.1016/j.foodchem.2023.137508] [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: 06/09/2023] [Revised: 09/06/2023] [Accepted: 09/14/2023] [Indexed: 09/24/2023]
Abstract
Alginate microgels co-encapsulating degraded Konjac glucomannan (KGM60) underwent in vitro fecal fermentation and their effects on human microbiota and metabolites were investigated. KGM60 delayed quercetin release and enhanced phenolic metabolites production. Microgels co-encapsulating KGM60 and quercetin increased linear short chain fatty acid but decreased branched chain fatty acid production. Microgels encapsulated with quercetin with or without KGM60 decreased Firmicutes while increased Bacteroidetes over 24 h of fermentation, at genus level promoted Bacteroides growth at 24 h and decreased the abundance of Negativibacillus, Ruminococcus_NK4A214, and Christensenellaceae R_7. Faecalibacterium and Collinsella levels were exclusively promoted by microgels encapsulating KGM60 with or without quercetin, highlighting prebiotic effect of KGM60. Only microgels co-encapsulating both KGM60 and quercetin enhanced Dialister while inhibited Lachnoclostridium, indicating synergism between KGM60 and quercetin. Our study indicates that co-encapsulating KGM60 and quercetin in alginate microgel is effective in modulating human gut microbiota and metabolites production potentially beneficial to gut health.
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Affiliation(s)
- Siyao Liu
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Yit Tao Loo
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Yianna Zhang
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Ken Ng
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia.
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Zacharis C, Bonos E, Voidarou C(C, Magklaras G, Fotou K, Giannenas I, Giavasis I, Mitsagga C, Athanassiou C, Antonopoulou E, Grigoriadou K, Tzora A, Skoufos I. Combined Dietary Supplementation of Tenebrio molitor Larvae and Chitosan in Growing Pigs: A Pilot Study. Vet Sci 2024; 11:73. [PMID: 38393091 PMCID: PMC10893168 DOI: 10.3390/vetsci11020073] [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: 12/01/2023] [Revised: 01/14/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
Nowadays, the global animal industry faces considerable challenges in securing sufficient feed resources. Responding to consumer demands for reduced use of antibiotics in animal nutrition, better animal welfare status, and reduced impact on the environment, there is an increased urgency to develop innovative functional feeds with a reduced environmental footprint and the ability to improve meat quality and safety. In an effort to explore innovative feed ingredients for growing pig diets, the combined dietary supplementation of Tenebrio molitor larvae and chitosan was investigated. An experimental trial was performed with 48 weaned pigs (34 days of life; mixed sex) that were randomly assigned to four treatment groups (with six males and six females each): Group A (control), Group B (supplemented with T. molitor larvae at 10%), Group C (supplemented with chitosan at 0.05%), and Group D (supplemented with both ingredients at 10% and 0.05%, respectively). On the 42nd day of the experimental trial, samples of blood, feces, and carcass parts were taken for analysis. The results indicated that the insect larvae meal significantly improved (p < 0.05) overall performance, increased (p < 0.05) blood red blood cell content, increased meat phenolic content (p < 0.05), improved meat oxidative stability (p < 0.05), and affected meat fatty acid profile (p < 0.05). On the other hand, chitosan had no significant effect on overall performance (p > 0.05), but it significantly increased blood lymphocyte content (p < 0.05), affected the fecal microbiota (p < 0.05), improved meat oxidative stability (p < 0.05), increased meat phenolic content (p < 0.05), and affected meat fatty acid composition (p < 0.05) and (p < 0.05) meat color. Finally, the combined use of both T. molitor and chitosan significantly affected some important zootechnical parameters (p < 0.05), fecal microbial populations (p < 0.05), meat color (p < 0.05), and fatty acid profile (p < 0.05). Further investigation into the potential interaction between insect larvae meals and chitosan in pig diets is advised.
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Affiliation(s)
- Christos Zacharis
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Eleftherios Bonos
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Chrysoula (Chrysa) Voidarou
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Georgios Magklaras
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Konstantina Fotou
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Ilias Giannenas
- School of Veterinary Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Ioannis Giavasis
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Thessaly, 43100 Karditsa, Greece; (I.G.); (C.M.)
| | - Chrysanthi Mitsagga
- Department of Food Science and Nutrition, School of Agricultural Sciences, University of Thessaly, 43100 Karditsa, Greece; (I.G.); (C.M.)
| | - Christos Athanassiou
- Department of Agriculture, Plant Production and Rural Environment, University of Thessaly, 38446 Nea Ionia, Greece;
| | - Efthimia Antonopoulou
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Katerina Grigoriadou
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization (ELGO)-DIMITRA, 57001 Thessaloniki, Greece;
| | - Athina Tzora
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
| | - Ioannis Skoufos
- Department of Agriculture, University of Ioannina, Kostakioi Artas, 47100 Arta, Greece; (C.Z.); (E.B.); (C.V.); (G.M.); (K.F.); (A.T.); (I.S.)
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Wang X, Chen H, Yang B, Zhao J, Zhang H, Chen W. Construction and efficacy evaluation of chitosan-based nanoparticles for colon-targeted release of linoleic acid in rat pups. Int J Biol Macromol 2023; 253:127522. [PMID: 37858652 DOI: 10.1016/j.ijbiomac.2023.127522] [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: 09/06/2023] [Revised: 10/15/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
Long chain fatty acids in the colon play important roles in infant development. This study aimed to establish a colon-targeted long chain fatty acid release system in rat pups, with linoleic acid (LA) as the target model. LA-loaded chitosan nanoparticles (LA-CS NPs) synthesized via ionic crosslinkage showed spherical surface morphology and favorable encapsulation efficiency (84.96 %). In vivo distribution studies of LA-CS NPs demonstrated a significant increase in LA concentration in the colonic content after a 12-hour administration period. Additionally, oral administration of the delivery system (CS NPs: 18 μg/g/d, LA-CS NPs: 24 μg/g/d) exhibited no detrimental effects on the health of rat pups. In conclusion, this study presents a promising strategy for the targeted delivery of fatty acid to the colon in rat pups.
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Affiliation(s)
- Xin Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
| | - Haiqin Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
| | - Bo Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
| | - Hao Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi, Jiangsu 214122, PR China.
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
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Fan W, Shi Y, Hu Y, Zhang J, Liu W. Effects of the Combination of Protein in the Internal Aqueous Phase and Polyglycerol Polyricinoleate on the Stability of Water-In-Oil-In-Water Emulsions Co-Encapsulating Crocin and Quercetin. Foods 2023; 13:131. [PMID: 38201158 PMCID: PMC10779032 DOI: 10.3390/foods13010131] [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: 12/05/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
This study aimed to diminish the reliance on water-in-oil-in-water (W/O/W) emulsions on the synthetic emulsifier polyglycerol polyricinoleate (PGPR). Considering the potential synergistic effects of proteins and PGPR, various protein types (whey, pea and chickpea protein isolates) were incorporated into the internal aqueous phase to formulate W/O/W emulsions. The effects of the combination of PGPR and protein at different ratios (5:0, 4:1, 3:2, 1:1 and 2:3) on the stability and encapsulation properties of W/O/W emulsions co-encapsulating crocin and quercetin were investigated. The findings indicated that the combination of PGPR and protein resulted in a slight reduction in the encapsulation efficiency of the emulsions, compared to that of PGPR (the control). Nonetheless, this combination significantly enhanced the physical stability of the emulsions. This result was primarily attributed to the smaller droplet sizes and elevated viscosity. These factors contributed to increased retentions of crocin (exceeding 70.04%) and quercetin (exceeding 80.29%) within the emulsions after 28 days of storage, as well as their improved bioavailability (increases of approximately 11.62~20.53% and 3.58~7.98%, respectively) during gastrointestinal digestion. Overall, combining PGPR and protein represented a viable and promising strategy for reducing the amount of PGPR and enhancing the stability of W/O/W emulsions. Notably, two plant proteins exhibited remarkable favorability in this regard. This work enriched the formulations of W/O/W emulsions and their application in the encapsulation of bioactive substances.
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Affiliation(s)
- Wei Fan
- State Key Laboratory of Food Science and Resources, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; (W.F.); (Y.H.); (J.Z.); (W.L.)
| | - Yan Shi
- Department of Food Science and Engineering, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Yueming Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; (W.F.); (Y.H.); (J.Z.); (W.L.)
| | - Jing Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; (W.F.); (Y.H.); (J.Z.); (W.L.)
| | - Wei Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; (W.F.); (Y.H.); (J.Z.); (W.L.)
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Ye K, Xu S, Zhou Q, Wang S, Xu Z, Liu Z. Advances in Molecular Imprinting Technology for the Extraction and Detection of Quercetin in Plants. Polymers (Basel) 2023; 15:polym15092107. [PMID: 37177253 PMCID: PMC10180927 DOI: 10.3390/polym15092107] [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: 03/10/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Quercetin is a kind of flavonoid compound, which has antioxidative, anti-aging and anti-cancer effects, so it is of great importance to study the efficient extraction and highly sensitive detection of quercetin. Molecular imprinting technology has remarkable selectivity and resistance to complex matrix interference, which is often used for extracting quercetin. The methods of molecular imprinted solid phase extraction, molecularly imprinted microsphere extraction, molecularly imprinted electrochemical sensor recognition and molecularly imprinted composite material extraction of quercetin from plant samples were discussed in detail. This review provides valuable information on efficient and sensitive methods for separating and purifying quercetin in plants. It also provides a technical reference for further investigation of the separation and analysis of active ingredients in natural products.
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Affiliation(s)
- Kexi Ye
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Shufang Xu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Qingqing Zhou
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Sitao Wang
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Zhigang Xu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Zhimin Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
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