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Feng M, Zhang M, Adhikari B, Chang L. Novel strategies for enhancing quality stability of edible flower during processing using efficient physical fields: A review. Food Chem 2024; 448:139077. [PMID: 38518445 DOI: 10.1016/j.foodchem.2024.139077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 03/10/2024] [Accepted: 03/18/2024] [Indexed: 03/24/2024]
Abstract
Edible flowers are an exotic part of the human diet due to their distinct sensorial properties and health benefits. Due to consumers demand edible flowers and their products with natural freshness and high nutritional value, there is increasing research on the application of green and efficient edible flower processing technologies. This paper reviews the application of a number of physical fields including ultrasound, microwave, infrared, ultraviolet, ionizing radiation, pulse electric field, high hydrostatic pressure, and reduced pressure aiming to improve the processing and product quality of edible flowers. The mechanism of action, influencing factors, and status on application of each physical energy field are critically evaluated. In addition, the advantages and disadvantages of each of these energy fields are evaluated, and trends on their future prospects are highlighted. Future research is expected to focus on gaining greater understanding of the mechanism action of physical field-based technologies when applied to processing of edible flowers and to provide the basis for broaden the application of physical field-based technologies in industrial realm.
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Affiliation(s)
- Min Feng
- State Key Laboratory of Food Science and Resources, Jiangnan University, 214122 Wuxi, Jiangsu, China; Jiangsu Province International Joint Laboratory on Fresh Food Smart Processing and Quality Monitoring, Jiangnan University, 214122 Wuxi, Jiangsu, China
| | - Min Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, 214122 Wuxi, Jiangsu, China; China General Chamber of Commerce Key Laboratory on Fresh Food Processing & Preservation, Jiangnan University, 214122 Wuxi, Jiangsu, China.
| | - Benu Adhikari
- School of Science, RMIT University, Melbourne, VIC 3083, Australia
| | - Lu Chang
- Shandong Huamei Biology Science & Technology Co, Pingyin, China
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2
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Ragupathy S, Thirugnanasambandam A, Henry T, Vinayagam V, Sneha R, Newmaster SG. Flower Species Ingredient Verification Using Orthogonal Molecular Methods. Foods 2024; 13:1862. [PMID: 38928803 PMCID: PMC11203286 DOI: 10.3390/foods13121862] [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: 05/10/2024] [Revised: 06/04/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Flowers are gaining considerable interest among consumers as ingredients in food, beverages, cosmetics, and natural health products. The supply chain trades in multiple forms of botanicals, including fresh whole flowers, which are easier to identify than dried flowers or flowers processed as powdered or liquid extracts. There is a gap in the scientific methods available for the verification of flower species ingredients traded in the supply chains of multiple markets. The objective of this paper is to develop methods for flower species ingredient verification using two orthogonal methods. More specifically, the objectives of this study employed both (1) DNA-based molecular diagnostic methods and (2) NMR metabolite fingerprint methods in the identification of 23 common flower species ingredients. NMR data analysis reveals considerable information on the variation in metabolites present in different flower species, including color variants within species. This study provides a comprehensive comparison of two orthogonal methods for verifying flower species ingredient supply chains to ensure the highest quality products. By thoroughly analyzing the benefits and limitations of each approach, this research offers valuable insights to support quality assurance and improve consumer confidence.
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Affiliation(s)
- Subramanyam Ragupathy
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.T.); (T.H.); (V.V.); (S.G.N.)
| | - Arunachalam Thirugnanasambandam
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.T.); (T.H.); (V.V.); (S.G.N.)
| | - Thomas Henry
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.T.); (T.H.); (V.V.); (S.G.N.)
| | - Varathan Vinayagam
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.T.); (T.H.); (V.V.); (S.G.N.)
| | - Ragupathy Sneha
- College of Medicine, American University of Antigua, Jobberwock Beach Road, Coolidge P.O. Box W1451, Antigua;
| | - Steven G. Newmaster
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.T.); (T.H.); (V.V.); (S.G.N.)
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Chen LX, Yang FQ. Applications of magnetic solid-phase extraction in the sample preparation of natural product analysis (2020-2023). J Sep Sci 2024; 47:e2400082. [PMID: 38819785 DOI: 10.1002/jssc.202400082] [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: 01/30/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024]
Abstract
Sample preparation, including extraction, separation, and purification, is a vital process for natural product analysis. As an attractive sample pretreatment method, magnetic solid-phase extraction (MSPE) has gained plenty of attention, mainly due to its simpler operation, less consumption of organic solvents, and shorter processing time than traditional SPE. This updated review is devoted to summarizing the applications of MSPE based on different magnetic nanomaterials in the analysis of various natural products in complex matrixes, such as biological samples, plants, and Chinese herbal preparations in the past four years (2020-2023). The preparation and fabrication of different materials are briefly introduced. Furthermore, the extraction mechanism and interaction forces between adsorbent and analytes are elaborated, and the advantages and disadvantages of different adsorbents coupled with various analytical methods for MSPE of different natural products are summarized. Moreover, the future trends and opportunities for MSPE in the natural product analysis are discussed. It is expected that this work can provide updated information for future research on the applications of MSPE in such fields.
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Affiliation(s)
- Ling-Xiao Chen
- Department of Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P. R. China
| | - Feng-Qing Yang
- Department of Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P. R. China
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Najar B, Pieracci Y, Fratini F, Pistelli L, Turchi B, Varriale D, Pistelli L, Bozzini MF, Marchioni I. Exploring the Volatile Composition and Antibacterial Activity of Edible Flower Hydrosols with Insights into Their Spontaneous Emissions and Essential Oil Chemistry. PLANTS (BASEL, SWITZERLAND) 2024; 13:1145. [PMID: 38674554 PMCID: PMC11053853 DOI: 10.3390/plants13081145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024]
Abstract
In the circular economy framework, hydrosols, by-products of the essential oil industry, are gaining attention for their potential in waste reduction and resource reuse. This study analyzed hydrosols from six edible flowers, investigating their chemical composition (VOC-Hyd) and antibacterial properties alongside volatile organic compounds of fresh flowers (VOC-Fs) and essential oils (EOs). Antirrhinum majus exhibited ketones as major VOC-Fs (62.6%) and VOC-Hyd (41.4%), while apocarotenoids dominated its EOs (68.0%). Begonia cucullata showed alkanes (33.7%) and aldehydes (25.7%) as primary VOC-Fs, while alkanes were prevalent in both extracts (65.6% and 91.7% in VOC-Hyd and in EOs, respectively). Calandula officinalis had monoterpenoids in VOC-Fs and VOC-Hyd (89.3% and 49.7%, respectively), while its EOs were rich in sesquiterpenoids (59.7%). Dahlia hortensis displayed monoterpenoid richness in both VOC-Fs and extracts. Monocots species' VOC-Fs (Polianthes tuberosa, Tulbaghia cominsii) were esters-rich, replaced by monoterpenoids in VOC-Hyd. P. tuberosa EO maintained ester richness, while T. cominsii EOs contained a significant percentage of sulfur compounds (38.1%). Antibacterial assays indicated comparable minimum inhibitory concentration profiles across VOC-Hyd: B. calcullata and P. tuberosa against Staphylococcus aureus and Salmonella enterica ser. typhimurium, T. cominsii against Escherichia coli and S. enterica, A. majus and C. officinalis against S. aureus, and D. hortensis against S. enterica.
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Affiliation(s)
- Basma Najar
- RD3—Pharmacognosy, Bioanalysis & Drug Discovery Unit, Analytical Platform of the Faculty of Pharmacy, Faculty of Pharmacy, Free University of Brussels, Blvd Triomphe, Campus Plaine, CP 205/5, B-1050 Brussels, Belgium
| | - Ylenia Pieracci
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (Y.P.); (L.P.); (M.F.B.)
| | - Filippo Fratini
- Department of Veterinary Sciences, University of Pisa, Viale dellle Piagge 2, 56124 Pisa, Italy; (F.F.); (B.T.); (D.V.)
- Centro Interdipartimentale di Ricerca Nutraceutica e Alimentazione per la Salute (NUTRA-FOOD), Università di Pisa, Via del Borgetto 80, 56124 Pisa, Italy;
| | - Laura Pistelli
- Centro Interdipartimentale di Ricerca Nutraceutica e Alimentazione per la Salute (NUTRA-FOOD), Università di Pisa, Via del Borgetto 80, 56124 Pisa, Italy;
- Dipartimento Scienze Agrarie, Alimentari e Agro-ambientali (DISAAA-a), Università di Pisa, Via del Borgetto 80, 56124 Pisa, Italy
| | - Barbara Turchi
- Department of Veterinary Sciences, University of Pisa, Viale dellle Piagge 2, 56124 Pisa, Italy; (F.F.); (B.T.); (D.V.)
| | - Dario Varriale
- Department of Veterinary Sciences, University of Pisa, Viale dellle Piagge 2, 56124 Pisa, Italy; (F.F.); (B.T.); (D.V.)
| | - Luisa Pistelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (Y.P.); (L.P.); (M.F.B.)
- Centro Interdipartimentale di Ricerca Nutraceutica e Alimentazione per la Salute (NUTRA-FOOD), Università di Pisa, Via del Borgetto 80, 56124 Pisa, Italy;
| | - Maria Francesca Bozzini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy; (Y.P.); (L.P.); (M.F.B.)
| | - Ilaria Marchioni
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy;
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Kumar A, Sharma B. Cardioprotective Effect of Eugenol Against Cd-Induced Inflammation, Oxidative Stress, and Dyslipidemia in Male Rats: An In Vivo and Molecular Docking Study. Biol Trace Elem Res 2024:10.1007/s12011-024-04162-z. [PMID: 38592566 DOI: 10.1007/s12011-024-04162-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/25/2024] [Indexed: 04/10/2024]
Abstract
Cadmium, a highly toxic heavy metal, can cause severe damage to several vital organs including the kidney, liver, and brain. Many of the natural compounds found in aromatic plants have beneficial pharmacological properties. Eugenol is one such compound reported to have anti-inflammatory and antioxidant properties. The aim of this study is to investigate whether eugenol, a natural compound found in aromatic plants known for its anti-inflammatory and antioxidant properties, can mitigate the detrimental effects of cadmium exposure on cardiac inflammation, oxidative stress, and dyslipidemia. Male albino rats were subjected to randomization into four groups, each comprising six animals, to investigate the potential of eugenol in mitigating cadmium-induced toxicity. All groups received oral gavage treatment for 21 days. Following the treatment regimen, cardiac tissue specimens were collected for analysis. The assessment of cardiac antioxidant status entailed the determination of enzymatic activities including catalase, SOD, GST, and GPx. Additionally, levels of lipid peroxidation, reduced glutathione, protein carbonyl oxidation, and thiol levels were quantified in the cardiac tissue samples. To evaluate cardiac damage, marker enzymes such as LDH and CK-MB were measured. Furthermore, the inflammatory response in the cardiac tissue induced by cadmium exposure was assessed through the quantification of NO, TNF-α, and IL-6 levels. Additionally, molecular docking and dynamics studies were conducted utilizing autodock and GLIDE methodologies. Cadmium administration markedly enhanced the activities of LDH and CK-MB, prominent cardiac markers. Furthermore, cadmium treatment also demonstrated a significant decrease in the reduced glutathione levels and antioxidant enzyme activities. Significant elevation of the inflammatory markers was also observed in the cadmium-treated group. Eugenol treatment effectively ameliorates cadmium-induced biochemical changes. This study underscores the potent anti-inflammatory and antioxidant attributes of eugenol. Co-administration of eugenol alongside cadmium exhibited remarkable protective efficacy against cadmium-induced cardio-toxicity. Eugenol demonstrated the capability to reinstate the cellular redox equilibrium of rats subjected to cadmium treatment to levels akin to those of the normal control group.
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Affiliation(s)
- Abhishek Kumar
- Department of Biochemistry, University of Allahabad, Prayagraj, India, 211002
| | - Bechan Sharma
- Department of Biochemistry, University of Allahabad, Prayagraj, India, 211002.
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de Morais JS, Cabral L, Bezerril FF, Uhlmann LO, Dos Santos Lima M, Noronha MF, Dos Santos SA, Madruga MS, Olegario LS, Wagner R, Sant'Ana AS, Magnani M. Farming system impacts the bioactive compounds, microbial diversity, aroma and color in edible red mini-roses (Rosa chinensis Jacq.). Food Res Int 2023; 173:113233. [PMID: 37803548 DOI: 10.1016/j.foodres.2023.113233] [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: 02/19/2023] [Revised: 06/15/2023] [Accepted: 06/27/2023] [Indexed: 10/08/2023]
Abstract
Mini-roses (Rosa chinensis Jacq.) is largely used in salty dishes and desserts. This study evaluated instrumental color, sugars, organic acids, phenolics, volatiles, and the indigenous microbiota (fungi and bacteria) in edible mini-roses farmed in discarded fruits biocompost and animal manure systems. A descriptive sensory analysis of flowers was also performed. Mini-roses farmed in biocompost had higher luminosity and intensity of instrumental red color, a higher concentration of phenolic compounds, including anthocyanins related to red color, and fructose than mini-roses farmed in animal manure (p < 0.05). Furthermore, mini-roses farmed in biocompost had higher concentrations of various volatiles (p < 0.05), including hexyl acetate and cis-3 -hexenyl butyrate related to the fruity aroma. Bacterial groups related to plant growth-promoting such as Stenotrophomonas and endophilic fungal groups such as Eurotiales sp, Pleosporales sp were found in higher abundance (p < 0.05) in mini-roses farmed in biocompost. Mini-rose farmed in biocompost also received higher score (p < 0.05) for fruity aroma and red color than mini-rose mini-roses farmed in animal manure. Results indicate that farming mini-roses using biocompost from discarded fruits impacts the synthesis of phenolics and volatiles, resulting in a more intense fruity aroma and red color. Findings also suggest that the microbiota of mini-roses farmed in biocompost or animal manure do not represent a major risk for the safety of these products.
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Affiliation(s)
- Janne Santos de Morais
- Laboratory of Microbial Processes in Foods, Department of Food Engineering, Center of Technology, Federal University of Paraíba, Campus I, 58051-900 João Pessoa, Paraíba, Brazil
| | - Lucélia Cabral
- Laboratory of Microbial Processes in Foods, Department of Food Engineering, Center of Technology, Federal University of Paraíba, Campus I, 58051-900 João Pessoa, Paraíba, Brazil
| | - Fabricia França Bezerril
- Laboratory of Microbial Processes in Foods, Department of Food Engineering, Center of Technology, Federal University of Paraíba, Campus I, 58051-900 João Pessoa, Paraíba, Brazil
| | - Lilian Osmari Uhlmann
- Department of Phytotechnics, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Marcos Dos Santos Lima
- Department of Food Technology, Federal Institute of Sertão Pernambucano, Petrolina, Pernambuco, Brazil
| | - Melline F Noronha
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Silvana Alves Dos Santos
- Empresa Paraibana de Abastecimento e Serviços Agrícolas - EMPASA, João Pessoa, Paraíba 58071-000, Brazil
| | - Marta Suely Madruga
- Laboratory of Flavor Analysis, Department of Food Engineering, Center of Technology, Federal University of Paraíba, João Pessoa, Brazil
| | - Lary Souza Olegario
- Laboratory of Flavor Analysis, Department of Food Engineering, Center of Technology, Federal University of Paraíba, João Pessoa, Brazil
| | - Roger Wagner
- Department of Food Science Technology, Federal University Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Anderson S Sant'Ana
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, State of São Paulo, Brazil
| | - Marciane Magnani
- Laboratory of Microbial Processes in Foods, Department of Food Engineering, Center of Technology, Federal University of Paraíba, Campus I, 58051-900 João Pessoa, Paraíba, Brazil.
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Liu X, Wang S, Cui L, Zhou H, Liu Y, Meng L, Chen S, Xi X, Zhang Y, Kang W. Flowers: precious food and medicine resources. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.10.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Vanella L, Consoli V, Burò I, Gulisano M, Giglio MS, Maugeri L, Petralia S, Castellano A, Sorrenti V. Standardized Extract from Wastes of Edible Flowers and Snail Mucus Ameliorate Ultraviolet B-Induced Damage in Keratinocytes. Int J Mol Sci 2023; 24:10185. [PMID: 37373341 DOI: 10.3390/ijms241210185] [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: 05/16/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Several studies have highlighted the ability of snail mucus in maintaining healthy skin conditions due to its emollient, regenerative, and protective properties. In particular, mucus derived from Helix aspersa muller has already been reported to have beneficial properties such as antimicrobial activity and wound repair capacity. In order to enhance the beneficial effects of snail mucus, a formulation enriched with antioxidant compounds derived from edible flower waste (Acmella oleracea L., Centaurea cyanus L., Tagetes erecta L., Calendula officinalis L., and Moringa oleifera Lam.) was obtained. UVB damage was used as a model to investigate in vitro the cytoprotective effects of snail mucus and edible flower extract. Results demonstrated that polyphenols from the flower waste extract boosted the antioxidant activity of snail mucus, providing cytoprotective effects in keratinocytes exposed to UVB radiation. Additionally, glutathione content, reactive oxygen species (ROS), and lipid peroxidation levels were reduced following the combined treatment with snail mucus and edible flower waste extract. We demonstrated that flower waste can be considered a valid candidate for cosmeceutical applications due to its potent antioxidant activity. Thus, a new formulation of snail mucus enriched in extracts of edible flower waste could be useful to design innovative and sustainable broadband natural UV-screen cosmeceutical products.
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Affiliation(s)
- Luca Vanella
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
| | - Valeria Consoli
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
| | - Ilaria Burò
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Maria Gulisano
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | | | - Ludovica Maugeri
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Salvatore Petralia
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Angela Castellano
- Mediterranean Nutraceutical Extracts (Medinutrex), Via Vincenzo Giuffrida 202, 95128 Catania, Italy
| | - Valeria Sorrenti
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
- CERNUT-Research Centre for Nutraceuticals and Health Products, University of Catania, 95125 Catania, Italy
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Edorh Tossa P, Belorgey M, Dashbaldan S, Pączkowski C, Szakiel A. Flowers and Inflorescences of Selected Medicinal Plants as a Source of Triterpenoids and Phytosterols. PLANTS (BASEL, SWITZERLAND) 2023; 12:1838. [PMID: 37176893 PMCID: PMC10181404 DOI: 10.3390/plants12091838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023]
Abstract
Steroids and triterpenoids are compounds valued for their various biological and pharmacological properties; however, their content in medicinal and edible plants is often understudied. Flowers have been consumed since the ancient times as a part of traditional cuisine and as alternative medicines. Currently, the interest in medicinal and edible flowers is growing since contemporary consumers are incessantly seeking innovative natural sources of bioactive compounds. The aim of this report was the GC-MS (gas-chromatography-mass spectrometry) analysis of steroid and triterpenoid content in flowers, inflorescences and leaves of several plants (Berberis vulgaris L., Crataegus laevigata (Poir.) DC., Pulsatilla vulgaris Mill., Rosa rugosa Thunb., Sambucus nigra L. and Vinca minor L.), applied in herbal medicine in various forms, including isolated flowers (Flos), inflorescences (Inflorescentia) or aerial parts (Herba, i.e., combined flowers, leaves and stems). The most abundant source of triterpenoids was V. minor flowers (6.3 mg/g d.w.), whereas the steroids were prevailing in P. vulgaris flowers (1.8 and 1.1 mg/g). The profiles of triterpenoid acids and neutral triterpenoids in C. laevigata and S. nigra inflorescences were particularly diverse, involving compounds belonging to lupane-, oleanane- and ursane-type skeletons. The obtained results revealed that some flowers can constitute an abundant source of phytosterols and bioactive triterpenoids, valuable for utilization in functional foods, dietary supplements and cosmetic products.
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Affiliation(s)
- Pauline Edorh Tossa
- Clermont Auvergne Institut National Polytechnique, SIGMA Clermont, Campus des Cézeaux CS 20265, 63178 Aubière, France
| | - Morgan Belorgey
- Faculté de Pharmacie, Université Clermont Auvergne, 28 Place Henri Dunant, BP 38, 63001 Clermont-Ferrand, France
| | - Soyol Dashbaldan
- School of Industrial Technology, Mongolian University of Science and Technology, 8th Khoroo, Baga Toiruu 34, Sukhbaatar District, Ulaanbaatar 14191, Mongolia;
| | - Cezary Pączkowski
- Department of Plant Biochemistry, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096 Warsaw, Poland;
| | - Anna Szakiel
- Department of Plant Biochemistry, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096 Warsaw, Poland;
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EFFECTS OF COLD PLASMA ON CHLOROPHYLLS, CAROTENOIDS, ANTHOCYANINS, AND BETALAINS. Food Res Int 2023; 167:112593. [PMID: 37087222 DOI: 10.1016/j.foodres.2023.112593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/25/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Plasma is considered by several researchers to be the fourth state of matter. Cold plasma has been highlighted as an alternative to thermal treatments because heat induces less degradation of thermolabile bioactive compounds, such as natural pigments. In this review, we provide a compilation of the current information about the effects of cold plasma on natural pigments, such as the changes caused by plasma to the molecules of chlorophylls, carotenoids, anthocyanins, and betalains. As a result of the literature review, it is noted that can degrade cell membrane and promote damage to pigment storage sites; thereby releasing pigments and increasing their content in the extracellular space. However, the reactive species contained in the cold plasma can cause degradation of the pigments. Cold plasma is a promising technology for extracting pigments; however, case-by-case optimization of the extraction process is required.
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Hegde AS, Gupta S, Sharma S, Srivatsan V, Kumari P. Edible rose flowers: A doorway to gastronomic and nutraceutical research. Food Res Int 2022; 162:111977. [DOI: 10.1016/j.foodres.2022.111977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 07/29/2022] [Accepted: 09/21/2022] [Indexed: 11/04/2022]
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Chemical and volatile composition, and microbial communities in edible purple flowers (Torenia fournieri F. Lind.) cultivated in different organic systems. Food Res Int 2022; 162:111973. [DOI: 10.1016/j.foodres.2022.111973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 08/18/2022] [Accepted: 09/20/2022] [Indexed: 11/22/2022]
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Yan G, Zhou Y, Zhao L, Wang W. Phenolic contents and antioxidant activities of solvent extracts from four edible flowers. INTERNATIONAL FOOD RESEARCH JOURNAL 2022. [DOI: 10.47836/ifrj.29.5.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
In order to identify new sources of natural antioxidants, the antioxidant activities of various solvent extracts from four edible flower samples [Wisteria sinensis (Sims) DC., Benincasa hispida (Thunb.) Cogn, Luffa cylindrica (L.) Roem, and Cucurbita pepo L.) were systemically investigated. The total phenolic content (TPC) and total flavonoid content (TFC), and individual phenolic profile of each extract were investigated, and antioxidant activities were measured by the DPPH radical scavenging activity, superoxide radical scavenging activity, total reduction capability, and ferrous ions chelating activity. Results revealed that all flower extracts exhibited antioxidant activities, and contained certain amounts of phenolic compounds. Specifically, different solvents exhibited different efficiencies in the extraction of phenolics, flavonoids, and compounds with antioxidant activities. The 70% ethanolic extract from B. hispida yielded the highest TPC (49.92 mg GAE/g DW), superoxide radical scavenging activity (IC50, 0.073 mg/mL), and FRAP value (18.05 mg of GAE/g DW). The highest TFC was obtained with the ethanolic extract of W. sinensis (30.39 mg QE/g DW), and the contents of apigenin, luteolin, and myricetin in the ethanolic extract of W. sinensis were significantly higher than those in the other extracts. The 40% ethanolic extract of L. cylindrica yielded the highest DPPH scavenging capacity (IC50, 0.340 mg/mL), and water extract of B. hispida yielded the highest chelating activity (0.027 mg/mL). Correlation analysis indicated that total phenolics and flavonoids in the extracts were the major contributors to the DPPH scavenging activities and FRAP activities. Overall, results demonstrated that these edible flowers could serve as useful source of natural antioxidants, and be used as functional food ingredients.
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Dini I. The commercial importance to develop validated analytical methods to define phytochemical levels in herbal medicinal products. Phytother Res 2022; 36:3675-3677. [PMID: 35537696 DOI: 10.1002/ptr.7485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/14/2022] [Accepted: 04/19/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Irene Dini
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
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15
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Amrouche TA, Yang X, Güven EÇ, Huang W, Chen Q, Wu L, Zhu Y, Liu Y, Wang Y, Lu B. Contribution of edible flowers to the Mediterranean diet: Phytonutrients, bioactivity evaluation and applications. FOOD FRONTIERS 2022. [DOI: 10.1002/fft2.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Thanina Amel Amrouche
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Xuan Yang
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Esra Çapanoğlu Güven
- Faculty of Chemical and Metallurgical Engineering Food Engineering Department Istanbul Technical University Maslak Istanbul Turkey
| | - Weisu Huang
- Zhejiang Economic & Trade Polytechnic Department of Applied Technology Hangzhou China
| | - Qi Chen
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Lipeng Wu
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Yuhang Zhu
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Yuqi Liu
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Yixuan Wang
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Baiyi Lu
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Key Laboratory for Agro‐Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality
- Fuli Institute of Food Science Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
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16
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Traversari S, Pistelli L, Del Ministro B, Cacini S, Costamagna G, Ginepro M, Marchioni I, Orlandini A, Massa D. Combined effect of silicon and non-thermal plasma treatments on yield, mineral content, and nutraceutical proprieties of edible flowers of Begonia cucullata. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 166:1014-1021. [PMID: 34273738 DOI: 10.1016/j.plaphy.2021.07.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 06/21/2021] [Accepted: 07/10/2021] [Indexed: 06/13/2023]
Abstract
Edible flowers are becoming popular as a nutraceutical and functional food that can contribute to human nutrition with high antioxidant molecules and mineral elements. While comparative studies between different flower species have been performed, less is known about the best agronomical practices to increase yield and nutraceutical proprieties of blooms. Silicon stimulates plant resistance against stress and promotes plant growth while non-thermal plasma (NTP) technology has been applied for the disinfection and decontamination of water, as well as for increasing plant production and quality. The application of silicon and NTP technology through nutrient solution and spraying was investigated in edible flowers given that the combination of these treatments may play a role in promoting their nutritional and nutraceutical proprieties. The treatments were applied on two varieties of Begonia cucullata Willd. (white and red flowers) to explore their effects on different flower pigmentations. Plants with red flowers showed higher nutraceutical proprieties than the white ones but yielded a lower flower number. While the NTP treatment did not improve flower yield and quality, the silicon treatment increased anthocyanins and dry weight percentage in red flowers. NTP treatment increased zinc concentration, while it decreased potassium, magnesium, and manganese, and increased silicon concentration in white flowers. The combination of silicon and NTP showed negative effects on some nutraceutical proprieties of red flowers thus highlighting that the two treatments cannot be combined in edible flower production. In conclusion, the positive effect of silicon use in edible flower production has been demonstrated while the NTP technology showed contrasting results and its use should be explored in greater depth, including a consideration of its role in biotic attack prevention and reduced chemical input.
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Affiliation(s)
- Silvia Traversari
- CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51017, Pescia (PT), Italy.
| | - Laura Pistelli
- Department of Agriculture, Food and Agro-environment, University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy; Interdepartmental Research Center Nutraceuticals and Food for Health (NUTRAFOOD), University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - Bianca Del Ministro
- CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51017, Pescia (PT), Italy
| | - Sonia Cacini
- CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51017, Pescia (PT), Italy
| | - Giulia Costamagna
- Dipartimento di Chimica, Università di Torino, Via P. Giuria 5, 10125, Torino, Italy
| | - Marco Ginepro
- Dipartimento di Chimica, Università di Torino, Via P. Giuria 5, 10125, Torino, Italy
| | - Ilaria Marchioni
- Department of Agriculture, Food and Agro-environment, University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - Alessandro Orlandini
- CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51017, Pescia (PT), Italy
| | - Daniele Massa
- CREA Research Centre for Vegetable and Ornamental Crops, Via dei Fiori 8, 51017, Pescia (PT), Italy
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17
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Janarny G, Ranaweera K, Gunathilake K. Antioxidant activities of hydro-methanolic extracts of Sri Lankan edible flowers. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102081] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Chen H, Song X, Huang X. Development of magnetism-assisted in-tube solid phase microextraction of phenolic acids in fruit juices prior to high-performance liquid chromatography quantification. J Sep Sci 2021; 44:3418-3428. [PMID: 34288429 DOI: 10.1002/jssc.202100473] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/13/2021] [Accepted: 07/17/2021] [Indexed: 01/05/2023]
Abstract
Magnetism-assisted in-tube solid phase microextraction based on porous monolith mingled with Fe3 O4 nanoparticles was developed for capture of phenolic acids in fruit juices. First, poly (1-allyl-3-methylimidazolium bis [(trifluoro methyl) sulfonyl] imide-co-ethylene dimethacrylate) monolith embedded with Fe3 O4 nanoparticles was facile fabrication in a capillary and employed as microextraction column. Subsequently, a magnetic coil adopted to produce variable magnetic fields during extraction stage was twined on the microextraction column. The analytes contents in eluant were quantified by high performance liquid chromatogram with diode array detector. Various parameters affecting the extraction performance were inspected and optimized in detail. Results revealed that the exertion of magnetic fields in adsorption and desorption steps enhanced the extraction efficiencies of analytes from 44.9-64.0% to 78.6-87.1%. Under the optimal extraction factors, the limits of detection were between 0.012 and 0.061 μg/L, relative standard deviations for precision in terms of intra- and inter-day assay variability ranged from 1.9 to 9.8%. The introduced approach was successfully applied to simultaneously quantify the contents of five analytes in real fruit juices with satisfying fortified recoveries (80.1-116%). The obtained results well demonstrate the promising potential of the developed method in the highly sensitive quantification of trace phenolic acids in complex samples.
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Affiliation(s)
- Hexun Chen
- Fujian Key Laboratory of Coastal Pollution Prevention and Control, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, P. R. China
| | - Xiaochong Song
- Fujian Key Laboratory of Coastal Pollution Prevention and Control, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, P. R. China
| | - Xiaojia Huang
- Fujian Key Laboratory of Coastal Pollution Prevention and Control, College of the Environment and Ecology, Xiamen University, Xiamen, 361005, P. R. China
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19
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Fakhri S, Tomas M, Capanoglu E, Hussain Y, Abbaszadeh F, Lu B, Hu X, Wu J, Zou L, Smeriglio A, Simal-Gandara J, Cao H, Xiao J, Khan H. Antioxidant and anticancer potentials of edible flowers: where do we stand? Crit Rev Food Sci Nutr 2021; 62:8589-8645. [PMID: 34096420 DOI: 10.1080/10408398.2021.1931022] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Edible flowers are attracting special therapeutic attention and their administration is on the rise. Edible flowers play pivotal modulatory roles on oxidative stress and related interconnected apoptotic/inflammatory pathways toward the treatment of cancer. In this review, we highlighted the phytochemical content and therapeutic applications of edible flowers, as well as their modulatory potential on the oxidative stress pathways and apoptotic/inflammatory mediators, resulting in anticancer effects. Edible flowers are promising sources of phytochemicals (e.g., phenolic compounds, carotenoids, terpenoids) with several therapeutic effects. They possess anti-inflammatory, anti-diabetic, anti-microbial, anti-depressant, anxiolytic, anti-obesity, cardioprotective, and neuroprotective effects. Edible flowers potentially modulate oxidative stress by targeting erythroid nuclear transcription factor-2/extracellular signal-regulated kinase/mitogen-activated protein kinase (Nrf2/ERK/MAPK), reactive oxygen species (ROS), nitric oxide (NO), malondialdehyde (MDA) and antioxidant response elements (AREs). As the interconnected pathways to oxidative stress, inflammatory mediators, including tumor necrosis factor (TNF)-α, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), interleukins (ILs) as well as apoptotic pathways such as Bcl-2-associated X protein (Bax), Bcl-2, caspase and cytochrome C are critical targets of edible flowers in combating cancer. In this regard, edible flowers could play promising anticancer effects by targeting oxidative stress and downstream dysregulated pathways.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Merve Tomas
- Department of Food Engineering, Faculty of Engineering and Natural Sciences, Istanbul Sabahattin Zaim University, Istanbul, Turkey
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Yaseen Hussain
- Control release drug delivery system, College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Fatemeh Abbaszadeh
- Department of Neuroscience, Faculty of Advanced Technologies in Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.,Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Baiyi Lu
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality Control, Zhejiang University, Hangzhou, China
| | - Xiaolan Hu
- State Key Laboratory for Quality Research of Chinese Medicines, Macau University of Science and Technology, Taipa, Macao, China
| | - Jianlin Wu
- State Key Laboratory for Quality Research of Chinese Medicines, Macau University of Science and Technology, Taipa, Macao, China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu, China
| | - Antonella Smeriglio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo -Ourense Campus, Ourense, Spain
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo -Ourense Campus, Ourense, Spain
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo -Ourense Campus, Ourense, Spain.,Institute of Food Safety & Nutrition, Jinan University, Guangzhou, China
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
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20
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Chrysin Derivative CM1 and Exhibited Anti-Inflammatory Action by Upregulating Toll-Interacting Protein Expression in Lipopolysaccharide-Stimulated RAW264.7 Macrophage Cells. Molecules 2021; 26:molecules26061532. [PMID: 33799689 PMCID: PMC8000858 DOI: 10.3390/molecules26061532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 11/17/2022] Open
Abstract
Although our previous study revealed that gamma-irradiated chrysin enhanced anti-inflammatory activity compared to intact chrysin, it remains unclear whether the chrysin derivative, CM1, produced by gamma irradiation, negatively regulates toll-like receptor (TLR) signaling. In this study, we investigated the molecular basis for the downregulation of TLR4 signal transduction by CM1 in macrophages. We initially determined the appropriate concentration of CM1 and found no cellular toxicity below 2 μg/mL. Upon stimulation with lipopolysaccharide (LPS), CM1 modulated LPS-stimulated inflammatory action by suppressing the release of proinflammatory mediators (cytokines TNF-α and IL-6) and nitric oxide (NO) and downregulated the mitogen-activated protein kinase (MAPK) and nuclear factor-κB (NF-κB) signaling pathways. Furthermore, CM1 markedly elevated the expression of the TLR negative regulator toll-interacting protein (Tollip) in dose- and time-dependent manners. LPS-induced expression of cell surface molecules (CD80, CD86, and MHC class I/II), proinflammatory cytokines (TNF-α and IL-6), COX-2, and iNOS-mediated NO were inhibited by CM1; these effects were prevented by the knockdown of Tollip expression. Additionally, CM1 did not affect the downregulation of LPS-induced expression of MAPKs and NF-κB signaling in Tollip-downregulated cells. These findings provide insight into effective therapeutic intervention of inflammatory disease by increasing the understanding of the negative regulation of TLR signaling induced by CM1.
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