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Chen TX, Wang SK, Zhang YQ, Wang W, Wang Q, Yu JC, Zhao SC, Xi GL, Jin Z, Chen ZS, Tang YZ. 7,8-dihydroxyflavone displayed antioxidant effect through activating HO-1 expression and inhibiting caspase-3/PARP activation in RAW264.7 cells. J Biochem Mol Toxicol 2024; 38:e23602. [PMID: 38053484 DOI: 10.1002/jbt.23602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 09/03/2023] [Accepted: 11/20/2023] [Indexed: 12/07/2023]
Abstract
Flavonoids, which contain a benzo-γ-pyrone (C6-C3-C6) skeleton, have been reported to exhibit effective antioxidant ability. This study aimed to compare the antioxidant activities of 7,8-dihydroxyflavone (7,8-DHF) and 7-hydroxyflavone (7-HF) in H2 O2 , lipopolysaccharide (LPS), or tert-butyl hydroperoxide (t-BHP)-induced RAW264.7 cells, respectively. The antioxidant capacities of 7,8-DHF and 7-HF were firstly evaluated by 2,2-azinobis-3-ethyl-benzothiazoline-6-sulphonic acid (ABTS), 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays. Then, reactive oxygen species (ROS), super oxide dismutase (SOD), and malondialdehyde (MDA) productions in H2 O2 , LPS, or t-BHP-induced RAW264.7 cells were tested and compared, respectively. Finally, the antioxidant mechanisms of 7-HF and 7,8-DHF were initially investigated by western blot. Our results showed that 7,8-DHF possessed stronger free-radical scavenging capacity than 7-HF. Both 7,8-DHF and 7-HF suppressed MDA production and ROS accumulation, improved the activity of SOD in H2 O2 , LPS, or t-BHP-induced RAW264.7 cells, respectively. And 7,8-DHF exerted a better antioxidant effect than 7-HF, especially in t-BHP-induced oxidative stress. Mechanically, 7,8-DHF prevented the activation of poly ADP-ribosepolymerase and caspase-3, meanwhile markedly upregulated the expression of HO-1 protein in t-BHP-induced oxidative stress. These results suggested that 7,8-DHF might serve as a potential pharmaceutical drug against oxidative stress injury.
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Affiliation(s)
- Ting-Xiao Chen
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Shou-Kai Wang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yu-Qing Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Wei Wang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Qi Wang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Jian-Chun Yu
- Technology Center for China Tobacco Henan Industrial Limited Company, Zhengzhou, Henan, China
| | - Sheng-Chen Zhao
- Technology Center for China Tobacco Henan Industrial Limited Company, Zhengzhou, Henan, China
| | - Gao-Lei Xi
- Technology Center for China Tobacco Henan Industrial Limited Company, Zhengzhou, Henan, China
| | - Zhen Jin
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Ze-Shao Chen
- Technology Center for China Tobacco Henan Industrial Limited Company, Zhengzhou, Henan, China
| | - You-Zhi Tang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
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Lee H, Liu X, An JP, Wang Y. Identification of Polymethoxyflavones (PMFs) from Orange Peel and Their Inhibitory Effects on the Formation of Trimethylamine (TMA) and Trimethylamine-N-oxide (TMAO) Using cntA/B and cutC/D Enzymes and Molecular Docking. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16114-16124. [PMID: 37851928 DOI: 10.1021/acs.jafc.3c04462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
This study investigates the inhibitory effects of polymethoxyflavones (PMFs) on enzymes involved in the production of trimethylamine (TMA) and trimethylamine-N-oxide (TMAO). PMFs were isolated from Valencia orange peel and identified using column separation and NMR techniques. The findings reveal that nobiletin and 3,6,7,8,2',5'-hexamethoxyflavone significantly suppress cntA/B and cutC/D, respectively. Furthermore, 3,6,7,8,2',5'-hexamethoxyflavone decreases the level of TMAO formation by suppressing the FMO3 mRNA level. This study elucidates that specific structural features of PMFs can contribute to their interactions with enzymes. Our study represents the first demonstration of the ability of PMFs to mitigate the risk of cardiovascular disease (CVD) by inhibiting enzymes responsible for TMA production, which are generated by gut microbiomes. Furthermore, we introduce a novel model system utilizing TMA-induced HepG2 cells to assess and compare the inhibitory effects of PMFs on TMAO production. These findings could pave the way for the development of novel therapeutic approaches to manage CVD.
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Affiliation(s)
- Hana Lee
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Xin Liu
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Jin-Pyo An
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Yu Wang
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
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Afifi SM, Gök R, Eikenberg I, Krygier D, Rottmann E, Stübler AS, Aganovic K, Hillebrand S, Esatbeyoglu T. Comparative flavonoid profile of orange ( Citrus sinensis) flavedo and albedo extracted by conventional and emerging techniques using UPLC-IMS-MS, chemometrics and antioxidant effects. Front Nutr 2023; 10:1158473. [PMID: 37346911 PMCID: PMC10279959 DOI: 10.3389/fnut.2023.1158473] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/16/2023] [Indexed: 06/23/2023] Open
Abstract
Introduction Citrus fruits are one of the most frequently counterfeited processed products in the world. In the juice production alone, the peels, divided into flavedo and albedo, are the main waste product. The extracts of this by-product are enriched with many bioactive substances. Newer extraction techniques generally have milder extraction conditions with simultaneous improvement of the extraction process. Methods This study presents a combinatorial approach utilizing data-independent acquisition-based ion mobility spectrometry coupled to tandem mass spectrometry. Integrating orthogonal collision cross section (CCS) data matching simultaneously improves the confidence in metabolite identification in flavedo and albedo tissues from Citrus sinensis. Furthermore, four different extraction approaches [conventional, ultrasonic, High Hydrostatic Pressure (HHP) and Pulsed Electric Field (PEF)] with various optimized processing conditions were compared in terms of antioxidant effects and flavonoid profile particularly polymethoxy flavones (PMFs). Results A total number of 57 metabolites were identified, 15 of which were present in both flavedo and albedo, forming a good qualitative overlapping of distributed flavonoids. For flavedo samples, the antioxidant activity was higher for PEF and HHP treated samples compared to other extraction methods. However, ethyl acetate extract exhibited the highest antioxidant effects in albedo samples attributed to different qualitative composition content rather than various quantities of same metabolites. The optimum processing conditions for albedo extraction using HHP and PEF were 200 MPa and 15 kJ/kg at 10 kV, respectively. While, HHP at medium pressure (400 MPa) and PEF at 15 kJ/kg/3 kV were the optimum conditions for flavedo extraction. Conclusion Chemometric analysis of the dataset indicated that orange flavedo can be a valid source of soluble phenolic compounds especially PMFs. In order to achieve cross-application of production, future study should concentrate on how citrus PMFs correlate with biological engineering techniques such as breeding, genetic engineering, and fermentation engineering.
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Affiliation(s)
- Sherif M. Afifi
- Institute of Food Science and Human Nutrition, Gottfried Wilhelm Leibniz Universität Hannover, Hannover, Germany
- Pharmacognosy Department, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Recep Gök
- Institute of Food Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| | | | - Dennis Krygier
- Institute of Food Science and Human Nutrition, Gottfried Wilhelm Leibniz Universität Hannover, Hannover, Germany
| | | | | | - Kemal Aganovic
- German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | | | - Tuba Esatbeyoglu
- Institute of Food Science and Human Nutrition, Gottfried Wilhelm Leibniz Universität Hannover, Hannover, Germany
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Huang S, Lin L, Wang S, Ding W, Zhang C, Shaukat A, Xu B, Yue K, Zhang C, Liu F. Total Flavonoids of Rhizoma Drynariae Mitigates Aflatoxin B1-Induced Liver Toxicity in Chickens via Microbiota-Gut-Liver Axis Interaction Mechanisms. Antioxidants (Basel) 2023; 12:antiox12040819. [PMID: 37107194 PMCID: PMC10134996 DOI: 10.3390/antiox12040819] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Aflatoxin B1 (AFB1) is a common mycotoxin that widely occurs in feed and has severe hepatotoxic effects both in humans and animals. Total flavonoids of Rhizoma Drynaria (TFRD), a traditional Chinese medicinal herb, have multiple biological activities and potential hepatoprotective activity. This study investigated the protective effects and potential mechanisms of TFRD against AFB1-induced liver injury. The results revealed that supplementation with TFRD markedly lessened broiler intestinal permeability by increasing the expression of intestinal tight junction proteins, as well as correcting the changes in gut microbiota and liver damage induced by AFB1. Metabolomics analysis revealed that the alterations in plasma metabolites, especially taurolithocholic acid, were significantly improved by TFRD treatment in AFB1-exposed chickens. In addition, these metabolites were closely associated with [Ruminococcus], ACC, and GPX1, indicating that AFB1 may cause liver injury by inducing bile acid metabolism involving the microbiota–gut–liver axis. We further found that TFRD treatment markedly suppressed oxidative stress and hepatic lipid deposition, increased plasma glutathione (GSH) concentrations, and reversed hepatic ferroptosis gene expression. Collectively, these findings indicate that ferroptosis might contribute to the hepatotoxicity of AFB1-exposed chickens through the microbiota–gut–liver axis interaction mechanisms; furthermore, TFRD was confirmed as an herbal extract that could potentially antagonize mycotoxins detrimental effects.
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Guo L, Mao X, Li Y, Zhou Z. Polymethoxylated flavonoids (PMFs)-loaded citral nanoemulsion controls green mold in citrus by damaging the cell membrane of Penicillium digitatum. Fungal Biol 2023; 127:854-864. [PMID: 36746557 DOI: 10.1016/j.funbio.2022.12.003] [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] [Received: 07/26/2022] [Revised: 11/19/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Citrus is susceptible to Penicillium digitatum (P. digitatum) infection in post-harvest storage, resulting in enormous economic losses. This study aimed to investigate the antifungal activity and potential mechanism of the combination of Polymethoxylated flavones (PMFs) and citral (two natural antifungal components derived from citrus) against P. digitatum in vitro and citrus fruit. The results show that PMFs can enhance the antifungal activity of citral nanoemulsion, and PMFs-loaded citral nanoemulsion (PCT) has significant antifungal activity in a concentration-dependent manner. PCT can evidently inhibit spore germination and mycelial growth in vitro, and effectively control the growth of green mold on postharvest citrus fruit. Furthermore, PCT treatment resulted in the alteration of mycelia morphology, accumulation of reactive oxygen species, and membrane lipid peroxidation. These changes can disrupt the normal structure and function of the cell membrane, as evidenced by the reduction of total lipid and ergosterol content in the mycelia and the stronger red fluorescence of the cells emitted after PI staining. Based on the above results, we infer that PCT has a strong inhibitory effect on P. digitatum, and its potential mechanism is related to the destruction of the cell membrane. Therefore, PCT can be considered as a botanical fungicide for citrus preservation.
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Affiliation(s)
- Long Guo
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing, 400716, China; Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing, 400715, China
| | - Xiaoxue Mao
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing, 400716, China; Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing, 400715, China
| | - Yi Li
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing, 400716, China; Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing, 400715, China
| | - Zhiqin Zhou
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing, 400716, China; The Southwest Institute of Fruits Nutrition, Banan District, Chongqing, 400054, China; Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing, 400715, China.
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Li C, Dai T, Chen J, Chen M, Liang R, Liu C, Du L, McClements DJ. Modification of flavonoids: methods and influences on biological activities. Crit Rev Food Sci Nutr 2022; 63:10637-10658. [PMID: 35687361 DOI: 10.1080/10408398.2022.2083572] [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] [Indexed: 11/03/2022]
Abstract
Flavonoids are important active ingredients in plant-based food, which have many beneficial effects on health. But the low solubility, poor oral bioavailability, and inferior stability of many flavonoids may limit their applications in the food, cosmetics, and pharmaceutical industries. Structural modification can overcome these shortcomings to improve and extend the application of flavonoids. The study of how to modify flavonoids and the influence of various modifications on biological activity have drawn great interest in the current literature. In this review, the working principles and operating conditions of modification methods were summarized along with their potential and limitations in terms of operational safety, cost, and productivity. The influence of various modifications on biological activities and the structure-activity relationships of flavonoids derivatives were discussed and highlighted, which may give guidance for the synthesis of highly effective active agents. In addition, the safety of flavonoids derivatives is reviewed, and future research directions of flavonoid modification research are discussed.
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Affiliation(s)
- Changhong Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Taotao Dai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
- Guangxi Academy of Agricultural Sciences, Agro-food Science and Technology Research Institute, Nanning, China
| | - Jun Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Mingshun Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Ruihong Liang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Chengmei Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Liqing Du
- China Academy of Tropical Agricultural Sciences, South Subtropical Crop Research Institute, Zhanjiang China
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Guo L, Li Y, Mao X, Tao R, Tao B, Zhou Z. Antifungal Activity of Polymethoxylated Flavonoids (PMFs)-Loaded Citral Nanoemulsion against Penicillium italicum by Causing Cell Membrane Damage. J Fungi (Basel) 2022; 8:jof8040388. [PMID: 35448619 PMCID: PMC9029654 DOI: 10.3390/jof8040388] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 02/01/2023] Open
Abstract
A major citrus postharvest pathogen, Penicillium italicum (P. italicum), causes substantial economic losses in citrus. In this study, a citral nanoemulsion containing polymethoxylated flavonoids (PMFs), the antimicrobial compounds from citrus, was prepared. The antifungal activity and potential antifungal mechanisms of the nanoemulsion against P. italicum were evaluated. The results showed that the growth of P. italicum was effectively inhibited by the nanoemulsion, with a minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) of 62.5 and 250 mg L−1, respectively. The nanoemulsion significantly inhibited spore germination and mycelial growth, and it altered the morphology of P. italicum. In addition, the permeability of the cell membrane increased with increasing nanoemulsion concentrations, as evidenced by a rapid rise in extracellular electric conductivity and stronger red fluorescence from mycelia (propidium iodide staining). Compared with the control, the nanoemulsion treatment induced a decrease in total lipid and ergosterol contents in P. italicum cells by 64.61% and 60.58%, respectively, demonstrating that membrane integrity had been disrupted. The results indicated that the PMFs-loaded nanoemulsion exerted antifungal activity against P. italicum by disrupting cell membrane integrity and permeability; such a nanoemulsion may be used as a potential fungicide substitute for preservation in citrus fruits.
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Affiliation(s)
- Long Guo
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Yi Li
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Xiaoxue Mao
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Rui Tao
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Boyun Tao
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Zhiqin Zhou
- College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400716, China; (L.G.); (Y.L.); (X.M.); (R.T.); (B.T.)
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
- The Southwest Institute of Fruits Nutrition, Banan District, Chongqing 400054, China
- Correspondence: ; Tel.: +86-023-6825-1047
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Bureš MS, Maslov Bandić L, Vlahoviček-Kahlina K. Determination of Bioactive Components in Mandarin Fruits: A Review. Crit Rev Anal Chem 2022; 53:1489-1514. [PMID: 35157545 DOI: 10.1080/10408347.2022.2035209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
During the last decade, there has been a continuous rise in the consumption of fresh easy-to-peel mandarins. However, the majority of the knowledge comes from other citrus fruit, like orange, while there are relatively few studies about mandarins and no comprehensive research on literature data about them. One of the most important steps in the analytical process is sample preparation. Its value is evident in analyzing the samples with complex matrices, such as in mandarin fruit. In addition, mandarin contains hundreds to thousands of various compounds and metabolites, some of them present in extremely low concentrations, that interfere with the detection of one another. Hence, mandarin samples are commonly pretreated by extraction to facilitate analysis of bioactive compounds, improve accuracy and quantification levels. There is an abundance of extraction techniques available, depending on the group of compounds of interest. Finally, modern analytical techniques, have been applied to cope with numerous bioactive compounds in mandarins. Considering all the above, this review aims to (i) list the most valuable procedures of sample preparation, (ii) highlight the most important techniques for extraction of bioactive compounds from mandarin fruit, and (iii) summarize current trends in the identification and determination of bioactive compounds in mandarin.
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Affiliation(s)
| | - Luna Maslov Bandić
- Department of Chemistry, Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
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He X, Huang S, Wu M, Wu M, Zhang Y, Ma Z, Liu L, Cao H. Simultaneous quantitative analysis of ten bioactive flavonoids in Citri Reticulatae Pericarpium Viride (Qing Pi) by ultrahigh-performance liquid chromatography and high-resolution mass spectrometry combined with chemometric methods. PHYTOCHEMICAL ANALYSIS : PCA 2021; 32:1152-1161. [PMID: 33977590 DOI: 10.1002/pca.3056] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 04/09/2021] [Accepted: 04/11/2021] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Citri Reticulatae Pericarpium Viride (Qing Pi in Chinese) is a clinically effective Chinese herb, which contains biologically valuable flavonoids. Qing Pi is divided into two commodity specifications, Si Hua Qing Pi (SHQP) and Ge Qing Pi (GQP), based on the harvesting time. The flavonoid contents in Qing Pi from different origins and commodity specifications may vary significantly, which will affect their therapeutic functions. Thus, it is crucial to set up a reliable and comprehensive quality evaluation method for flavonoid analysis in Qing Pi. OBJECTIVES We aimed to establish a rapid and sensitive ultrahigh-performance liquid chromatography method coupled with diode-array detection and high-resolution mass spectrometry (UPLC-DAD-HRMS) for identification and quantification of ten flavonoids in Qing Pi. Chemometric methods were further applied to distinguish Qing Pi of different origins and specifications. METHODOLOGY An UPLC-DAD-HRMS method was developed for the simultaneous separation and quantification of ten flavonoids in 46 batches of Qing Pi samples from different sources in China. Chemometric approaches were applied to discriminate Qing Pi from different origins and commodity specifications. RESULTS The chemometric procedures (i.e., hierarchical clustering analysis and principal component analysis) were employed to identify the differences of Qing Pi samples with different origins and commodity specifications. The results showed that the contents of ten flavonoids in Qing Pi samples of different origins were significantly different, and the same results were found out between SHQP and GQP. CONCLUSIONS This study provides a chemical basis for quality control of Qing Pi.
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Affiliation(s)
- Xiaofang He
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
| | - Sisi Huang
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Mengmei Wu
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
| | - Menghua Wu
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
| | - Ying Zhang
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
| | - Zhiguo Ma
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
| | - Li Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Hui Cao
- College of Pharmacy, Jinan University, Guangzhou, China
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, 510632, China
- Guangdong Key Lab of Traditional Chinese Medicine Information Technology, Guangzhou, 510632, China
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Abstract
The prevalence of obesity has increased substantially over the last several decades and several environmental factors have accelerated this trend. Poly-methoxy flavones (PMFs) exist abundantly in the peels of citrus, and their biological activities have been broadly examined in recent years. Several studies have examined the effects of PMFs on obesity and its-related diseases. This systematic review conducted to focus on the effect of PMFs on obesity and its related conditions management. The PubMed, Google Scholar, Scopus, and Science Direct databases were searched for relevant studies published before November 2020. Out of 1,615 records screened, 16 studies met the study criteria. The range of dosage of PMFs was varied from 10 to 200 mg/kg (5-26 weeks) and 1-100 μmol (2h-8 days) across selected animal and in vitro studies, respectively. The literature reviewed shows that PMFs modulate several biological processes associated with obesity such as lipid and glucose metabolism, inflammation, energy balance, and oxidative stress by different mechanisms. All of the animal studies showed significant positive effects of PMFs on obesity by reducing body weight (e.g. reduced weight gain by 21.04%), insulin resistance, energy expenditure, inhibiting lipogenesis and reduced blood lipids (e.g. reduced total cholesterol by 23.10%, TG by 44.35% and LDL by 34.41%). The results of the reviewed in vitro studies have revealed that treatment with PMFs significantly inhibits lipid accumulation in adipocytes (e.g. reduced lipid accumulation by 55-60%) and 3T3-L1 pre-adipocyte differentiation as well by decreasing the expression of PPARγ and C/EBPα and also reduces the number and size of fat cells and reduced TG content in adipocytes by 45.67% and 23.10% and 16.08% for nobiletin, tangeretin and hesperetin, respectively. Although current evidence supports the use of PMFs as a complementary treatment in obesity, future research is needed to validate this promising treatment modality.
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Affiliation(s)
- Mahdi Vajdi
- Department of Community Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
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Flavonoids as Novel Efflux Pump Inhibitors and Antimicrobials Against Both Environmental and Pathogenic Intracellular Mycobacterial Species. Molecules 2020; 25:molecules25030734. [PMID: 32046221 PMCID: PMC7037122 DOI: 10.3390/molecules25030734] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/31/2020] [Accepted: 02/06/2020] [Indexed: 12/02/2022] Open
Abstract
Therapeutic treatment options for opportunistic non-tuberculous mycobacterial (NTM) infection and/or serious mycobacterial infections such as tuberculosis (TB) and leprosy are limited due to the spread of antimicrobial resistance mechanism. Plant-derived natural compounds as prospective efflux pump inhibitors may present a promising adjunct to conventional chemotherapy by enhancing mycobacterial susceptibility to antibiotics. This study served to evaluate the antimicrobial and resistance-modifying profile of a range of plant-derived flavonoids against the mycobacterial model strains: M. smegmatis, M. aurum, and M. bovis BCG. The minimum inhibitory concentrations (MICs) of the compounds against the mycobacterial strains were determined using both agar dilution and broth dilution assays, while their efflux inhibitory activity was investigated via an ethidium bromide-based fluorometric assay. All compounds were screened for their synergistic effects with ethidium bromide (EtBr) and rifampicin (RIF) against M. smegmatis. Skullcapflavone II (5,2′-dihydroxy-6,7,8,6′-tetramethoxyflavone, 1) exerted potent antimicrobial activity against M. aurum and M. bovis BCG and considerably increased the susceptibility of M. smegmatis to EtBr and RIF. Nobiletin (5,6,7,8,3′,4′-hexamethoxyflavone, 2) was determined to be the most potent efflux-inhibitor in M. aurum and M. smegmatis. However, a connection between strong modulatory and putative efflux activity of the compounds could not be observed. Nevertheless, the results highlight two polymethoxyflavones, skullcapflavone II and nobiletin, with potent antimycobacterial and antibiotic resistance modulating activities as valuable adjuvants in anti-mycobacterial therapies.
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Wang Y, Gao H, Xie J, Li X, Huang Z. Effects of some flavonoids on the mycotoxin citrinin reduction by Monascus aurantiacus Li AS3.4384 during liquid-state fermentation. AMB Express 2020; 10:26. [PMID: 32016571 PMCID: PMC6997324 DOI: 10.1186/s13568-020-0962-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 01/21/2020] [Indexed: 01/25/2023] Open
Abstract
Monascus can produce many beneficial metabolites; however, it can simultaneously also produce citrinin, which seriously limits its application. Therefore, reducing the production of citrinin is of great interest. Herein, Monascus aurantiacus Li AS3.4384 (MAL) was used to optimize the liquid-state fermentation process and investigate the effects of genistein and other flavonoids on citrinin, pigments, and biomass of MAL. Results showed that citrinin decreased by 80%, pigments and biomass increased by approximately 20% in 12 days with addition of 20.0 g/L rice powder as a carbon source and 2.0 g/L genistein during shaking liquid-state fermentation. Further, genistein, daidzein, luteolin, apigenin, quercetin, baicalein, kaempferol myricetin, and genistin exerted different effects on citrinin production by MAL, with genistein causing the highest reduction in citrinin production during liquid-state fermentation, possibly due to the presence of C5-OH, C4′-OH, and C7-OH. Therefore, genistein can be added to the fermentation process of Monascus to reduce citrinin.
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He J, Chen C, He Q, Li J, Ying F, Chen G. The central bacterial community in Pericarpium Citri Reticulatae 'Chachiensis'. Food Res Int 2019; 125:108624. [PMID: 31554059 DOI: 10.1016/j.foodres.2019.108624] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 08/11/2019] [Accepted: 08/15/2019] [Indexed: 12/17/2022]
Abstract
The dried and aged pericarps of Citri Reticulatae are condiments and medicinal products in southeast and eastern Asia for hundreds of years, among which Pericarpium Citri Reticulatae 'Chachiensis' (PCR-C) is the premium one with obvious health benefits. In order to explore the microbiota in PCR-C and their relationship with the chemical components during aging, culture-independent methods were applied to investigate PCR-C microbiota for the first time. Here in different PCR-C samples, 16S rRNA gene amplicon sequencing revealed common central bacterial community, which were absent or only accounted for small proportion in fresh pericarps or jute bag controls. Bacillus and Lactococcus were the top two dominant genera in PCR-C with acidic pH (4.06-4.51) and low moisture (11.48%-19.13%). Several OTUs were found to closely relate with specific compositions in essential oils and phenolics, such as d-limonene and nobiletin, which contributed to PCR-C flavor and quality. As the first study to reveal the central bacterial communities in PCR-C, it provides new insights to improve the quality and aging process of traditional Pericarpium Citri Reticulatae, and lays foundation for functional characterization of the microbes within.
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Affiliation(s)
- Jing He
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China
| | - Congcong Chen
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China
| | - Qianxian He
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China
| | - Jingyu Li
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China
| | - Fan Ying
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China
| | - Gu Chen
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, 510641 Guangzhou, China.
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do Evangelho JA, da Silva Dannenberg G, Biduski B, El Halal SLM, Kringel DH, Gularte MA, Fiorentini AM, da Rosa Zavareze E. Antibacterial activity, optical, mechanical, and barrier properties of corn starch films containing orange essential oil. Carbohydr Polym 2019; 222:114981. [PMID: 31320073 DOI: 10.1016/j.carbpol.2019.114981] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/06/2019] [Accepted: 06/06/2019] [Indexed: 01/15/2023]
Abstract
The incorporation of antimicrobial compounds into natural polymers can promote increased shelf life and ensure food safety. The aim of this study was to evaluate the antibacterial activity, morphological, optical, mechanical, and barrier properties of corn starch films containing orange (Citrus sinensis var. Valencia) essential oil (OEO). The corn starch films were prepared using the casting method. OEO and the corn starch films incorporated with OEO showed higher antibacterial activity against Staphylococcus aureus and Listeria monocytogenes. The addition of OEO to the films increased the morphological heterogeneity and contributed to the reduction of the tensile strength and elongation of the films, and it increased the moisture content, water solubility, and water vapor permeability. The water vapor permeability and partial or total solubility of a film in water prior to consumption of a product are of interest when the film is used as food coating or for encapsulation of specific molecules.
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Affiliation(s)
- Jarine Amaral do Evangelho
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Guilherme da Silva Dannenberg
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Barbara Biduski
- University of Passo Fundo (UPF), Faculty of Agronomy and Veterinary Medicine, Brazil.
| | - Shanise Lisie Mello El Halal
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Dianini Hüttner Kringel
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Marcia Arocha Gularte
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Angela Maria Fiorentini
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
| | - Elessandra da Rosa Zavareze
- Department of Agroindustrial Science and Technology, Federal University of Pelotas, Rio Grande do Sul, Pelotas, RS 96010-900, Brazil.
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Song X, Wen X, He J, Zhao H, Li S, Wang M. Phytochemical components and biological activities of Artemisia argyi. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.11.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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17
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Kantar C, Kaya B, Türk M, Şaşmaz S. Novel Phthalocyanines Containing Guaiacol Azo Dyes: Synhthesis, Antioxidant, Antibacterial, and Anticancer Activity. J STRUCT CHEM+ 2018. [DOI: 10.1134/s0022476618050335] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Gao Z, Gao W, Zeng SL, Li P, Liu EH. Chemical structures, bioactivities and molecular mechanisms of citrus polymethoxyflavones. J Funct Foods 2018. [DOI: 10.1016/j.jff.2017.11.036] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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19
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Han B, Xin Z, Ma S, Liu W, Zhang B, Ran L, Yi L, Ren D. Comprehensive characterization and identification of antioxidants in Folium Artemisiae Argyi using high-resolution tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1063:84-92. [PMID: 28850890 DOI: 10.1016/j.jchromb.2017.08.021] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 07/29/2017] [Accepted: 08/15/2017] [Indexed: 01/29/2023]
Abstract
Antioxidants from natural sources, such as vegetables and fruits, are attracting more and more interest. In this work, we evaluated the antioxidant potential of Folium Artemisia Argyi, a traditional Chinese herb medicine and food supplement. The total phenolic content, total flavonoid content, and antioxidant ability of the crude extracts and fractions obtained from consecutively partition of n-hexane, ethyl acetate, and n-butanol were measured and compared. Ethyl acetate fraction shows the highest total phenolic and flavonoid contents and highest antioxidant capability with regard to DPPH, ABTS, superoxide anion free radical scavenging ability, and ferric-reducing antioxidant power. In addition, the potential antioxidant components were screened by DPPH-UHPLC-MS experiments and subsequently characterized by using high-resolution tandem mass spectrometry. This work finally identified 45 antioxidants, including organic acids, phenolic compounds, flavonoids, and methoxylated flavonoids. The results suggested that Folium Artemisiae Argyi is a potential inexpensive resource of natural antioxidants.
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Affiliation(s)
- Binsong Han
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Zhongquan Xin
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Shasha Ma
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Wenbin Liu
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Bingyang Zhang
- School of Science, Kunming University of Science and Technology, PR China
| | - Lu Ran
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Lunzhao Yi
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Dabing Ren
- Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming 650500, PR China.
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20
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Synthesis of Citrus polymethoxyflavonoids and their antiproliferative activities on Hela cells. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1871-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Jin Z, Yang YZ, Chen JX, Tang YZ. Inhibition of pro-inflammatory mediators in RAW264.7 cells by 7-hydroxyflavone and 7,8-dihydroxyflavone. ACTA ACUST UNITED AC 2017; 69:865-874. [PMID: 28295316 DOI: 10.1111/jphp.12714] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/26/2017] [Indexed: 12/25/2022]
Abstract
OBJECTIVES Flavonoids are a class of compounds that having the benzo-γ-pyrone skeleton, which possess anti-inflammatory properties in vitro and in vivo. The aim of this study was to investigate the inhibition of two flavonoids 7-hydroxyflavone (HF) and 7,8-dihydroxyflavone (DHF) on the production of pro-inflammatory mediators in RAW264.7 cells activated by lipopolysaccharides (LPS). METHODS For this purpose, we selected four pro-inflammatory mediators including nitric oxide (NO), prostaglandin E2 (PGE2 ), tumour necrosis factor-α (TNF-α) and interleukin-6 (IL-6) as markers to evaluate the anti-inflammatory activity of HF and DHF. KEY FINDINGS In this regard, we showed that HF and DHF dose-dependently reduced the production of NO, PGE2 , TNF-α and IL-6 through downregulating mRNA expression of inducible nitric oxide synthase (iNOS), cyclooxygenase 2 (COX2), TNF-α and IL-6, respectively. Moreover, DHF generally possesses more efficient than HF in reducing these markers secretion in this study. CONCLUSIONS Consider together, these findings suggest that DHF and HF can inhibit LPS-induced inflammation via attenuating the production of NO, PGE2 , TNF-α and IL-6, indicating that they may be lead compounds for developing anti-inflammatory agent.
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Affiliation(s)
- Zhen Jin
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yao-Zhi Yang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jian-Xin Chen
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - You-Zhi Tang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
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22
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Russo M, Rigano F, Arigò A, Sciarrone D, Calabrò ML, Farnetti S, Dugo P, Mondello L. Rapid isolation, reliable characterization, and water solubility improvement of polymethoxyflavones from cold-pressed mandarin essential oil. J Sep Sci 2016; 39:2018-27. [DOI: 10.1002/jssc.201501366] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 02/24/2016] [Accepted: 03/17/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Marina Russo
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
- Chromaleont s.r.l, c/o; University of Messina; Messina Italy
- University Campus Bio-Medico of Rome; Rome Italy
| | - Francesca Rigano
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
| | - Adriana Arigò
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
| | - Danilo Sciarrone
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
| | - Maria Luisa Calabrò
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
| | - Sara Farnetti
- Division of Cellular Transplantation of surgery, Diabetes Research Institute; University of Miami; Miami FL USA
| | - Paola Dugo
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
- Chromaleont s.r.l, c/o; University of Messina; Messina Italy
- University Campus Bio-Medico of Rome; Rome Italy
| | - Luigi Mondello
- “Scienze chimiche, biologiche, farmaceutiche ed ambientali” Department; University of Messina; Messina Italy
- Chromaleont s.r.l, c/o; University of Messina; Messina Italy
- University Campus Bio-Medico of Rome; Rome Italy
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23
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Chemistry and Pharmacology of Citrus sinensis. Molecules 2016; 21:247. [PMID: 26907240 PMCID: PMC6273684 DOI: 10.3390/molecules21020247] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 01/27/2016] [Accepted: 02/09/2016] [Indexed: 11/30/2022] Open
Abstract
Presently the search for new drugs from natural resources is of growing interest to the pharmaceutical industry. Natural products have been the source of new drugs since ancient times. Plants are a good source of secondary metabolites which have been found to have beneficial properties. The present study is a review of the chemistry and pharmacology of Citrus sinensis. This review reveals the therapeutic potential of C. sinensis as a source of natural compounds with important activities that are beneficial for human health that could be used to develop new drugs.
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24
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Wang H, Chen G, Fu X, Liu RH. Effects of aging on the phytochemical profile and antioxidative activity of Pericarpium Citri Reticulatae ‘Chachiensis’. RSC Adv 2016. [DOI: 10.1039/c6ra22082g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
PCR-Chachiensis stored long-term exhibits higher total phenolics, flavonoid content and superior antioxidant activity, which provide additional health benefits during aging.
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Affiliation(s)
- Hong Wang
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Gu Chen
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Xiong Fu
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Rui-Hai Liu
- Department of Food Science
- Cornell University
- Ithaca
- USA
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25
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Tu B, Chen ZF, Liu ZJ, Cheng LY, Hu YJ. Interaction of flavones with DNA in vitro: structure–activity relationships. RSC Adv 2015. [DOI: 10.1039/c5ra04505c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The structure–activity relationship of the different flavones has been investigated, which may meaningful for drug discovery, and novel drug design.
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Affiliation(s)
- Bao Tu
- Hubei Collaborative Innovation Center for Rare Metal Chemistry
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology
- Department of Chemistry
- Hubei Normal University
- Huangshi 435002
| | - Zhi-Feng Chen
- Hubei Collaborative Innovation Center for Rare Metal Chemistry
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology
- Department of Chemistry
- Hubei Normal University
- Huangshi 435002
| | - Zhi-Juan Liu
- Hubei Collaborative Innovation Center for Rare Metal Chemistry
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology
- Department of Chemistry
- Hubei Normal University
- Huangshi 435002
| | - Li-Yang Cheng
- Hubei Collaborative Innovation Center for Rare Metal Chemistry
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology
- Department of Chemistry
- Hubei Normal University
- Huangshi 435002
| | - Yan-Jun Hu
- Hubei Collaborative Innovation Center for Rare Metal Chemistry
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology
- Department of Chemistry
- Hubei Normal University
- Huangshi 435002
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Hong Z, Xu Y, Yin JF, Jin J, Jiang Y, Du Q. Improving the effectiveness of (-)-epigallocatechin gallate (EGCG) against rabbit atherosclerosis by EGCG-loaded nanoparticles prepared from chitosan and polyaspartic acid. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:2182-9. [PMID: 25483592 DOI: 10.1021/jf404310y] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
(-)-Epigallocatechin gallate (EGCG) is the major bioactive compound in green tea. Its effect is limited by the harsh environment of the gastrointestinal tract. The present study investigates how the effectiveness of EGCG is influenced by its encapsulation into self-assembled nanoparticles of chitosan (CS) and aspartic acid (PAA). Blank nanoparticles with a mean diameter of ca. 93 nm were prepared from 30-50 kDa PAA and 3-5 kDa CS with a mass rate of 1:1. EGCG was loaded in the nanoparticles to yield EGCG-CS-PAA nanoparticles with an average diameter of 102 nm, which were pH-responsive and demonstrated different EGCG release profiles in simulated gastrointestinal tract media. The average ratio (%) of lipid deposition for EGCG-CS-PAA nanoparticles administered orally to rabbits was 16.9 ± 5.8%, which was close to that of oral simvastatin (15.6 ± 4.1%). Orally administered EGCG alone yielded an average ratio of lipid deposit area of 42.1 ± 4.0%, whereas this value was 65.3 ± 10.8% for the blank nanoparticles. The effectiveness of EGCG against rabbit atherosclerosis was significantly improved by incorporating EGCG into the nanoformulation.
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Affiliation(s)
- Zhiyong Hong
- Institute of Food Chemistry, Zhejiang A&F University , 88 Huanbei Road, Hangzhou, Zhejiang 311300, China
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Ma N, Lai CS, Chung CH, Yang JM, Hsu KC, Chen CY, Chung TS, Li S, Ho CT, Pan MH. 5-Demethyltangeretin is more potent than tangeretin in inhibiting dimethylbenz(a)anthracene (DMBA)/12-O-tetradecanoylphorbol-13-acetate (TPA)-induced skin tumorigenesis. J Funct Foods 2014. [DOI: 10.1016/j.jff.2014.08.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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28
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Jing L, Lei Z, Li L, Xie R, Xi W, Guan Y, Sumner LW, Zhou Z. Antifungal Activity of Citrus Essential Oils. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:3011-3033. [PMID: 24628448 DOI: 10.1021/jf5006148] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Citrus essential oils (CEOs) are a mixture of volatile compounds consisting mainly of monoterpene hydrocarbons and are widely used in the food and pharmaceutical industries because of their antifungal activities. To face the challenge of growing public awareness and concern about food and health safety, studies concerning natural biopreservatives have become the focus of multidisciplinary research efforts. In the past decades, a large amount of literature has been published on the antifungal activity of CEOs. This paper reviews the advances of research on CEOs and focuses on their in vitro and food antifungal activities, chemical compositions of CEOs, and the methods used in antifungal assessment. Furthermore, the antifungal bioactive components in CEOs and their potential mechanism of action are summarized. Finally, the applications of CEOs in the food industry are discussed in an attempt to provide new information for future utilization of CEOs in modern industries.
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Affiliation(s)
- Li Jing
- College of Horticulture and Landscape Architecture, Southwest University , Chongqing 400716, China
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
- Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, Oklahoma 73401, United States
| | - Zhentian Lei
- Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, Oklahoma 73401, United States
| | - Ligai Li
- College of Horticulture and Landscape Architecture, Southwest University , Chongqing 400716, China
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Rangjin Xie
- Citrus Research Institute, Chinese Academy of Agricultural Sciences/Southwest University , Chongqing 400712, China
| | - Wanpeng Xi
- College of Horticulture and Landscape Architecture, Southwest University , Chongqing 400716, China
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
| | - Yu Guan
- Shanghai Municipal Hospital of Traditional Chinese Medicine affiliated TCM University , Shanghai 200071, China
| | - Lloyd W Sumner
- Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, Oklahoma 73401, United States
| | - Zhiqin Zhou
- College of Horticulture and Landscape Architecture, Southwest University , Chongqing 400716, China
- Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, Chongqing 400715, China
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Wu T, Zang X, He M, Pan S, Xu X. Structure-activity relationship of flavonoids on their anti-Escherichia coli activity and inhibition of DNA gyrase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:8185-8190. [PMID: 23926942 DOI: 10.1021/jf402222v] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Flavonoids are potential sources of natural preservatives. The inhibitory activities of three polymethoxylated flavones (PMFs), three flavones, and four flavonols against Escherichia coli were determined using the microbroth dilution method. Flavonoid inhibitory activities against DNA gyrase from E. coli were estimated by DNA supercoiling. Kaempferol exhibited the greatest antibacterial activity [minimal inhibitory concentration (MIC) = 25 μg/mL], while nobiletin showed the lowest activity (MIC = 177 μg/mL). A good correlation was found between the pIC50 values and the corresponding pMIC values for the purified DNA gyrase (r = 0.9582). The structure-activity relationship analysis suggests that, for a good inhibitory effect, the hydroxyl group substitution at C-5 in the A ring and C-4' in the B ring and the methoxyl group substitution at C-3 and C-8 in the A ring are essential. The presence of the hydroxyl group at C-6 in the A ring, C-3' and C-5' in the B ring, and C-3 in the C ring and the methoxyl group at C-3' in the B ring greatly reduced inhibition of bacteria. These findings provide a theoretical basis for the development of high-bioactive and low-toxicity natural preservatives.
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Affiliation(s)
- Ting Wu
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), Huazhong Agricultural University, Wuhan 430070, People's Republic of China
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Wu T, He M, Zang X, Zhou Y, Qiu T, Pan S, Xu X. A structure-activity relationship study of flavonoids as inhibitors of E. coli by membrane interaction effect. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2013; 1828:2751-6. [PMID: 23938956 DOI: 10.1016/j.bbamem.2013.07.029] [Citation(s) in RCA: 127] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Revised: 07/24/2013] [Accepted: 07/29/2013] [Indexed: 11/26/2022]
Abstract
Flavonoids exhibit a broad range of biological activities including antibacterial activity. However, the mechanism of their antibacterial activity has not been fully investigated. The antibacterial activity and membrane interaction of 11 flavonoids (including 2 polymethoxyflavones and 4 isoflavonoids) against Escherichia coli were examined in this study. The antibacterial capacity was determined as flavonoids>polymethoxyflavones>isoflavonoids. Using fluorescence, it was observed that the 5 flavonoids rigidified the liposomal membrane, while the polymethoxyflavones and isoflavonoids increased membrane fluidity. There was a significant positive correlation between antibacterial capacity and membrane rigidification effect of the flavonoids. A quantitative structure-activity relationship (QSAR) study demonstrated that the activity of the flavonoid compounds can be related to molecular hydrophobicity (CLogP) and charges on C atom at position3 (C3). The QSAR model could be used to predict the antibacterial activity of flavonoids which could lead to natural compounds having important use in food and medical industry.
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Affiliation(s)
- Ting Wu
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, PR China
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Gerhardt C, Wiest JM, Girolometto G, Silva MASD, Weschenfelder S. Aproveitamento da casca de citros na perspectiva de alimentos: prospecção da atividade antibacteriana. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2012. [DOI: 10.1590/s1981-67232012005000033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Os citros são as frutas mais produzidas e consumidas no mundo. O Brasil ocupa primeiro lugar na produção mundial e na exportação de suco de laranja, sendo o Estado do Rio Grande do Sul um importante produtor. Ao longo do cultivo e do processamento dos citros, são geradas toneladas de resíduos de baixo valor comercial, mas com grande potencial de aproveitamento dentro da indústria de alimentos. Esses resíduos possuem elevados teores de nutrientes, pigmentos e componentes bioativos, bem como possuem baixa toxicidade e baixo custo. Há evidências de que a casca de diferentes espécies de citros possui princípios ativos antibacterianos e antifúngicos. O objetivo deste trabalho, portanto, foi verificar a atividade antibacteriana de extratos alcoólicos da casca de citros na perspectiva da desinfecção e da conservação de alimentos, propondo alternativas sustentáveis e naturais voltadas a consumidores cada vez mais preocupados com sua saúde. Foram obtidos extratos alcoólicos da casca crua de bergamota-ponkan (Citrus reticulata Blanco), pomelo (Citrus maxima (Burm.) Merr.) e limão-bergamota (Citrus limonia Osbeck ou limão-cravo) maduros, provenientes de cultivo agroecológico, cujas atividades antibacterianas foram avaliadas quanto à Concentração Inibitória Mínima (CIM) e à Concentração Bactericida Mínima (CBM) frente a cinco diferentes bactérias. O extrato de limão-bergamota apresentou a melhor atividade antibacteriana, apresentando CIM em torno de 24 mg.mL-1 e CBM de 42 mg.mL-1 para as bactérias mais resistentes. A bactéria mais sensível a todos os extratos foi Pseudomonas aeruginosa, com CIM entre 16 e 36 mg.mL-1 e CBM entre 28 e 49 mg.mL-1. Os extratos inibiram ou inativaram na sua totalidade as bactérias testadas, indicando a possibilidade de se tornarem alternativas naturais na desinfecção e na conservação de alimentos.
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