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Marrone G, Di Lauro M, Izzo F, Cornali K, Masci C, Vita C, Occhiuto F, Di Daniele N, De Lorenzo A, Noce A. Possible Beneficial Effects of Hydrolyzable Tannins Deriving from Castanea sativa L. in Internal Medicine. Nutrients 2023; 16:45. [PMID: 38201875 PMCID: PMC10780656 DOI: 10.3390/nu16010045] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Hydrolyzable tannins (HTs) deriving from chestnuts have demonstrated, through numerous studies, the ability to exert multiple beneficial effects, including antioxidant and antimicrobial effects, on the lipid metabolism and cancer cells. The latter effect is very fascinating, since different polyphenols deriving from chestnuts were able to synergistically induce the inhibition of cancerous cells through multiple pathways. Moreover, the main mechanisms by which tannins induce antioxidant functions include: the reduction in oxidative stress, the ability to scavenge free radicals, and the modulation of specific enzymes, such as superoxide dismutase. HTs have also been shown to exert significant antimicrobial activity by suppressing microbial growth. The actions on the lipid metabolism are several, among which is the inhibition of lipid accumulation. Thus, tannins seem to induce a cardioprotective effect. In fact, through various mechanisms, such as the relaxation of the vascular smooth muscle, HTs were proven to be efficient against arterial hypertension. Therefore, the great number of studies in this field prove the growing interest on the utilization of natural bioactive compounds, such as HTs deriving from natural sources or obtained by circular economy models, as potential nutraceuticals or adjuvants therapies.
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Affiliation(s)
- Giulia Marrone
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
| | - Manuela Di Lauro
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
| | - Francesco Izzo
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
| | - Kevin Cornali
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
| | - Claudia Masci
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
| | - Chiara Vita
- QuMAP (Quality of Goods and Product Reliability), University of Florence, PIN, 59100 Prato, Italy;
- Department of Economics, Management and Business Law, University of Bari “Aldo Moro”, Piazza Umberto I, 70121 Bari, Italy
| | - Francesco Occhiuto
- Ph.D. School of Applied Medical-Surgical Sciences, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy
| | - Nicola Di Daniele
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
- Fondazione Leonardo per le Scienze Mediche Onlus, Policlinico Abano, 35031 Abano Terme, Italy
| | - Antonino De Lorenzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Annalisa Noce
- Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.M.); (M.D.L.); (F.I.); (K.C.); (C.M.); (N.D.D.)
- UOSD Nephrology and Dialysis, Policlinico Tor Vergata, 00133 Rome, Italy
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Gurgul AA, Najjar Y, Chee A, An H, Che CT, Park TJ, Warpeha KM. Phenylpropanoid-enriched broccoli seedling extract can reduce inflammatory markers and pain behavior. J Transl Med 2023; 21:922. [PMID: 38115032 PMCID: PMC10731810 DOI: 10.1186/s12967-023-04777-1] [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: 05/11/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND Pain is a worldwide problem requiring an effective, affordable, non-addictive therapy. Using the edible plant broccoli, a growth protocol was developed to induce a concentrated combinatorial of potential anti-inflammatories in seedlings. METHODS A growth method was utilized to produce a phenylpropanoid-rich broccoli sprout extract, referred to as Original Extract (OE). OE was concentrated and then resuspended for study of the effects on inflammation events. A rabbit disc model of inflammation and degeneration, and, a mouse model of pain behavior were used for in vivo and in vitro tests. To address aspects of mammalian metabolic processing, the OE was treated with the S9 liver microsome fraction derived from mouse, for use in a mouse in vivo study. Analytical chemistry was performed to identify major chemical species. Continuous variables were analyzed with a number of methods including ANOVA, and two-tailed t tests, as appropriate. RESULTS In a rabbit spine (disc) injury model, inflammatory markers were reduced, and levels of regenerative markers were increased as a result of OE treatment, both in vivo and in vitro. In a mouse pain behavioral model, after treatment with S9 liver microsome fraction, the resultant extract significantly reduced early and late pain behavior in response to a pain stimulus. The OE itself reduced pain behavior in the mouse pain model, but did not achieve the level of significance observed for S9-treated extract. Analytical chemistry undertaken on the extract constituents revealed identities of the chemical species in OE, and how S9 liver microsome fraction treatment altered species identities and proportions. CONCLUSIONS In vitro and in vivo results indicate that the OE, and S9-treated OE broccoli extracts are worthwhile materials to develop a non-opiate inflammation and pain-reducing treatment.
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Affiliation(s)
- Aleksandra A Gurgul
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL, USA
| | - Yahya Najjar
- Department of Biological Sciences, University of Illinois Chicago, 900 S Ashland Ave, M/C 567, Chicago, IL, 60607, USA
| | - Ana Chee
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Howard An
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Chun-Tao Che
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL, USA
| | - Thomas J Park
- Department of Biological Sciences, University of Illinois Chicago, 900 S Ashland Ave, M/C 567, Chicago, IL, 60607, USA
| | - Katherine M Warpeha
- Department of Biological Sciences, University of Illinois Chicago, 900 S Ashland Ave, M/C 567, Chicago, IL, 60607, USA.
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Anh Nga NT, Sathiyavimal S, A Al-Humaid L, Al-Dahmash ND, Lee J, Barathi S, Jhanani GK. Deciphering the anticancer, anti-inflammatory and antioxidant potential of Ti nanoparticles fabricated using Zingiber officinale. ENVIRONMENTAL RESEARCH 2023; 236:116748. [PMID: 37500041 DOI: 10.1016/j.envres.2023.116748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 07/29/2023]
Abstract
Rapid and sustainable green technology was implemented in the current study to fabricated Ti nanoparticles. The vegetable ginger with the scientific name Zingiber officinale was employed as a biological source in the fabrication process of nanoparticles. The optical, structural, morphological, and particle size of the fabricated Ti nanoparticles were characterized with the help of UV-visible absorption spectrum, FTIR (Fourier Transform Infrared) spectrum, SEM (Scanning Electron Microscope) analysis, DLS (Dynamic Light Scattering) technique and XRD (X-ray powder diffraction) crystallography technique. The presence of spherical-shaped Ti nanoparticles with an average particle size of 93 nm was confirmed based on these characterization techniques. The anti-cancer properties of the Z. officinale mediated Ti nanoparticles were analyzed through MTT assay against cell lines MCF-7 (Human breast adenocarcinoma cell line) and concentration-dependent anti-cancer properties were observed. The anti-inflammatory capacity of the Z. officinale mediated Ti nanoparticles were examined through protein denaturation and nitric oxide scavenging assay. The antioxidant capacity of the Z. officinale mediated Ti nanoparticles were examined through DPPH assay, hydrogen peroxide radical scavenging assay, hydroxyl radical scavenging assay, and FRAP (Ferric Reducing Antioxidant Power) analysis. The fabricated Ti nanoparticles exhibited anti-inflammatory and antioxidant capacity in a concentration-dependent pattern.
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Affiliation(s)
- Nguyen Thi Anh Nga
- Biomaterials and Nanotechnology Research Group, Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - Selvam Sathiyavimal
- University Centre for Research & Development, Chandigarh University, Mohali, 140103, India
| | - Latifah A Al-Humaid
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Nora Dahmash Al-Dahmash
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Selvaraj Barathi
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
| | - G K Jhanani
- Center for Global Health Research (CGHR), Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India.
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Paolillo I, Costanzo G, Delicato A, Villano F, Arena C, Calabrò V. Light Quality Potentiates the Antioxidant Properties of Brassica rapa Microgreen Extracts against Oxidative Stress and DNA Damage in Human Cells. Antioxidants (Basel) 2023; 12:1895. [PMID: 37891974 PMCID: PMC10604222 DOI: 10.3390/antiox12101895] [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: 09/26/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Plants are an inexhaustible source of bioactive compounds beneficial for contrasting oxidative stress, leading to many degenerative pathologies. Brassica rapa L. subsp. rapa is well known for its nutraceutical properties among edible vegetable species. In our work, we aimed to explore an eco-friendly way to enhance the beneficial dietary phytochemicals in this vast world of crop-growing plants at selected light quality conditions. White broad-spectrum (W) and red-blue (RB) light regimes were used for growing brassica microgreens. The organic extracts were tested on keratinocytes upon oxidative stress to explore their capability to act as natural antioxidant cell protectors. Our results show that both W and RB extracts caused a notable reduction in reactive oxygen species (ROS) levels induced by H2O2. Interestingly, according to its higher contents of polyphenols and flavonoids, the RB was more efficient in reducing ROS amount and DNA damage than the W extract, particularly at the lowest concentration tested. However, at higher concentrations (up to 100 μg/mL), the antioxidant effect reached a plateau, and there was little added benefit. These findings confirm that RB light effectively increases the antioxidant compounds in Brassica rapa L. microgreens, thus contributing to their enhanced activity against oxidative-induced genotoxicity compared to microgreens grown under W light.
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Affiliation(s)
- Ida Paolillo
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
| | - Giulia Costanzo
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
| | - Antonella Delicato
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
| | - Filippo Villano
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
| | - Carmen Arena
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Viola Calabrò
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, Italy; (I.P.); (G.C.); (A.D.); (F.V.); (V.C.)
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Brassica Genus Seeds: A Review on Phytochemical Screening and Pharmacological Properties. Molecules 2022; 27:molecules27186008. [PMID: 36144744 PMCID: PMC9500762 DOI: 10.3390/molecules27186008] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 11/23/2022] Open
Abstract
Traditionally, Brassica species are widely used in traditional medicine, human food, and animal feed. Recently, special attention has been dedicated to Brassica seeds as source of health-promoting phytochemicals. This review provides a summary of recent research on the Brassica seed phytochemistry, bioactivity, dietary importance, and toxicity by screening the major online scientific database sources and papers published in recent decades by Elsevier, Springer, and John Wiley. The search was conducted covering the period from January 1964 to July 2022. Phytochemically, polyphenols, glucosinolates, and their degradation products were the predominant secondary metabolites in seeds. Different extracts and their purified constituents from seeds of Brassica species have been found to possess a wide range of biological properties including antioxidant, anticancer, antimicrobial, anti-inflammatory, antidiabetic, and neuroprotective activities. These valuable functional properties of Brassica seeds are related to their richness in active compounds responsible for the prevention and treatment of various chronic diseases such as obesity, diabetes, cancer, and COVID-19. Currently, the potential properties of Brassica seeds and their components are the main focus of research, but their toxicity and health risks must also be accounted for.
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Hosseini SM, Bojmehrani A, Zare E, Zare Z, Hosseini SM, Bakhshabadi H. Optimization of antioxidant extraction process from corn meal using pulsed electric field‐subcritical water. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15458] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Ehsan Zare
- Khorasan Cotton and Oilseeds Company Neyshabour Iran
| | - Zahra Zare
- Young Researchers and Elites Club ShahreQods Branch Islamic Azad University ShahreQods Iran
| | | | - Hamid Bakhshabadi
- Department of Food Science and Technology GonbadKavoos Branch Islamic Azad University GonbadKavoos Iran
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Hematian A, Nouri M, Dolatabad SS. Kashk with caper (Capparis spinosa L.) extract: quality during storage. FOODS AND RAW MATERIALS 2020. [DOI: 10.21603/2308-4057-2020-2-402-410] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Introduction. Dairy products are an important part of the diet. Kashk is a traditional Iranian dairy product rich in protein. However, kashk has a high water content and is a good medium for the growth of microorganisms. The aim of this study was to investigate the effect of the ethanolic extract of caper fruit (Capparis spinosa L.) on reducing the microbial burden of kashk.
Study objects and methods. The study objects were three kashk samples. The control sample was kashk without caper extract. Two experimental samples included kashk with 0.211 and kashk with 0.350 mg/mL of ethanolic caper extract. All the samples were tested for pH, sensory and antioxidant properties, colorimetric parameters, and microbial population. The experiments were performed on days 0, 7, 14, 21 and 28 of storage.
Results and discussion. The results showed all the samples had pH within the standard values during the entire shelf life (3.96 to 4.53). The samples with 0.350 mg/mL of the caper extract had the lowest EC50 (12.05 μg/mL), i.e. the highest antioxidant activity. The increased concentration of the extract and storage time resulted in a decrease in L* and increase in b*, while did not impact a*. Staphylococcus aureus population increased more rapidly than Clostridium botulinum during the storage time, and the overall sensory acceptability of the kashk samples on days 0 and 7 received the highest score.
Conclusion. The kashk samples containing 0.350 mg/mL of caper extract had an improved antimicrobial, antioxidant and antifungal properties and can be produced and consumed as a new functional product.
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Rezaei Savadkouhi N, Ariaii P, Charmchian Langerodi M. The effect of encapsulated plant extract of hyssop ( Hyssopus officinalis L.) in biopolymer nanoemulsions of Lepidium perfoliatum and Orchis mascula on controlling oxidative stability of soybean oil. Food Sci Nutr 2020; 8:1264-1271. [PMID: 32148832 PMCID: PMC7020334 DOI: 10.1002/fsn3.1415] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/19/2019] [Accepted: 12/21/2019] [Indexed: 02/06/2023] Open
Abstract
The aim of this study was to investigate the effect of encapsulation method on antioxidant properties of Hyssop (Hyssopus Officinalis L.) extract. The extracts of the Hyssop were obtained by ultrasound assisted techniques, and the amount of phenolic compounds was 117.43 ± 9.22 (mg of gallic acid per 100 g of extract). The antioxidant activity of extracts in concentrations of 100, 200, 300, and 400 ppm was measured using DPPH free radical scavenging method and compared with 100 ppm of TBHQ synthetic antioxidants. The results showed that by increasing in concentration of the extract, the antioxidant activity of the extract increased. The Lepidium perfoliatum seed gum and Orchis mascula were chosen as coating material. Encapsulation was performed by emulsion production method. The antioxidant effects of nanocapsules in oil during 40 days of storage at 60°C were measured, which increased the oxidation of oil over time. The lowest amount of oil oxidation during storage compared to control samples was observed in samples containing nano encapsulated Hyssop extract due to reducing in release rate of the extract during storage and more protection of the extract. The results of this study suggest that encapsulation is an effective way to increase the antioxidant activity of the extract and could be increased the shelf life of edible oils with natural antioxidants.
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Affiliation(s)
| | - Peiman Ariaii
- Department of Food Science and TechnologyAyatollah Amoli BranchIslamic Azad UniversityAmolIran
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Vanlalneihi B, Saha P, Kalia P, Jaiswal S, Kundu A, Saha ND, Sirowa SS, Singh N. Chemometric approach based characterization and selection of mid-early cauliflower for bioactive compounds and antioxidant activity. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2020; 57:293-300. [PMID: 31975732 PMCID: PMC6952495 DOI: 10.1007/s13197-019-04060-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/28/2019] [Accepted: 08/22/2019] [Indexed: 10/26/2022]
Abstract
The present study was aimed to analyse bioactive compounds (total phenolics, ascorbic acid and sinigrin) and antioxidant activity in 14 mid-early cauliflower genotypes. Significant differences (pb 0.05) were observed among the genotypes for all bioactive compounds and antioxidant activity. Total phenolics content of curd were ranged from 20.36 to 48.93 mg gallic acid equivalent (GAE) 100 g-1 fresh weight (FW) which showed 2.5 times variation. The ascorbic acid content was maximum in DC522 (88.53 mg 100 g-1 FW) followed by Pusa Sharad (65.64 mg 100 g-1 FW) while minimum in DC310 (39.62 65.64 mg 100 g-1 FW). Wide variation was observed for cupric reducing antioxidant capacity and ferric reducing antioxidant power ranging from 9.04 to 20.83 mg GAE 100 g-1 FW and 13.11 to 26.31 mg GAE 100 g-1 FW, respectively. Sinigrin was found to be highest in DC306 (39.50 µmol 100 g-1 FW) for leaf and in DC326 (36.93 µmol 100 g-1 FW) for curd sample. The cauliflower genotypes were classified based on chemometric approaches namely principal component analysis (PCA) and agglomerative hierarchical clustering (AHC). The first two principal components (PC1 and PC2) explained 50.62% and 23.28% of total variance, respectively. The AHC as revealed by heat map classified cauliflower genotypes into four main groups based on measured traits. The information is useful for developing varieties and/or hybrids rich in bioactive compounds and antioxidant activity.
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Affiliation(s)
- B. Vanlalneihi
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
- ICAR-Indian Institute of Horticultural Research, Bengaluru, 560 089 India
| | - Partha Saha
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
| | - P. Kalia
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
| | - Sarika Jaiswal
- ICAR-Indian Agricultural Statistics Research Institute, New Delhi, 110012 India
| | - Aditi Kundu
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - N. D. Saha
- CESCRA, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
| | - Shrawan Singh Sirowa
- Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
| | - Naveen Singh
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 India
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Kachmar MR, Oliveira AP, Valentão P, Gil-Izquierdo A, Domínguez-Perles R, Ouahbi A, Badaoui KE, Andrade PB, Ferreres F. HPLC-DAD-ESI/MS n phenolic profile and in vitro biological potential of Centaurium erythraea Rafn aqueous extract. Food Chem 2018; 278:424-433. [PMID: 30583393 DOI: 10.1016/j.foodchem.2018.11.082] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/23/2018] [Accepted: 11/15/2018] [Indexed: 12/21/2022]
Abstract
Centaurium erythraea Rafn is a food flavouring used in both food and beverage industries. Despite the existence of some works on this species, only few focus their attention on its common form of consumption (infusion). Thus, we intended to explore the chemical composition and the biological properties of infusions from C. erythraea aerial parts. Phenolic compounds were identified by HPLC-DAD-ESI/MSn, twenty-two flavonoid derivatives being reported for the first time. Concerning to the biological potential, the best scavenging activity was observed for the superoxide anion radical. Moreover, this extract revealed to have some effect on the inhibition of 5-lipoxygenase, no cytotoxicity against RAW 264.7 macrophage cells line, and a weak potential to decrease the nitric oxide levels in this cell system. The results suggest that C. erythraea aerial parts could be valuable sources of health benefits compounds, contributing to its valorisation and its further application in functional foods.
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Affiliation(s)
- Mohamed R Kachmar
- Plant Protection Team, Laboratory of Environmental and Health, Faculty of Sciences, Moulay Ismail University, Meknes, Morocco
| | - Andreia P Oliveira
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Patrícia Valentão
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Angel Gil-Izquierdo
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Raúl Domínguez-Perles
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
| | - Abdelilah Ouahbi
- Plant Protection Team, Laboratory of Environmental and Health, Faculty of Sciences, Moulay Ismail University, Meknes, Morocco
| | - Khalid El Badaoui
- Plant Protection Team, Laboratory of Environmental and Health, Faculty of Sciences, Moulay Ismail University, Meknes, Morocco
| | - Paula B Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal.
| | - Federico Ferreres
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain.
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Developmental variation during seed germination and biochemical responses of Brassica rapa exposed to various colored lights. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 179:113-118. [PMID: 29353700 DOI: 10.1016/j.jphotobiol.2018.01.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 01/10/2018] [Accepted: 01/12/2018] [Indexed: 11/24/2022]
Abstract
Light acting as elicitor or stress inducer, it plays a pivotal role in all developmental processes of plant providing necessary building blocks for growth and primary and secondary metabolites production. The main objective of the current study was to investigate the individual effect of colored lights on developmental processes and production of polyphenolics contents in Brassica rapa. In this study, the red and white lights (control) were found to be the most effective sources for seed germination (91%) in Brassica rapa. Similarly, red light enhanced radicle growth (102 mm), while green light suppressed radicle growth (60 mm) as compared to control (67 mm). The red light also promoted the plumule growth (50 mm) as compared to control (37 mm). The maximum biomass gain (67 mg) was observed under red light as compared to control (55 mg). Currently, the maximum total phenolics content (9.49 mg/g-DW) and phenolics production (379.616 mg/L) was observed under the influence of blue lights as compared to control (0.23 mg/g-DW and 8.91 mg/L). Similarly, the blue lights also enhanced the biosynthesis of total flavonoids content (2.2611 mg/g-DW) and flavonoids production (90.44 mg/L) as compared to control (0.0318 md/g-DW and 0.8268 mg/L). The current results represents that red and blue lights are the most effective sources for plantlets development and production of polyphenolics content in Brassica rapa.
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Vale A, Santos J, Melia N, Peixoto V, Brito N, Oliveira MBP. Phytochemical composition and antimicrobial properties of four varieties of Brassica oleracea sprouts. Food Control 2015. [DOI: 10.1016/j.foodcont.2015.01.051] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Han L, Shi P, Dong Y, Wang T, Li X, Hao J, Zhang Y, Wang T. New Rare Sinapoyl Acylated Flavonoid Glycosides Obtained from the Seeds of Lepidium apetalum Willd. Molecules 2015; 20:13982-96. [PMID: 26247923 PMCID: PMC6332256 DOI: 10.3390/molecules200813982] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 07/29/2015] [Indexed: 02/08/2023] Open
Abstract
Seven new rare sinapoyl acylated flavonoid glycosides, apetalumosides A1 (1), B8 (2), B9 (3), B10 (4), B11 (5), B12 (6), and C1 (7) were isolated from the seeds of Lepidium apetalum Willd. Their structures were elucidated by chemical and spectroscopic methods.
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Affiliation(s)
- Lifeng Han
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshan Road, Nankai District, Tianjin 300193, China; E-Mails: (L.H.); (T.W.)
| | - Pingping Shi
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin 300193, China; E-Mails: (P.S.); (Y.D.); (X.L.); (J.H.)
| | - Yongzhe Dong
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin 300193, China; E-Mails: (P.S.); (Y.D.); (X.L.); (J.H.)
| | - Tingting Wang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshan Road, Nankai District, Tianjin 300193, China; E-Mails: (L.H.); (T.W.)
| | - Xiaoxia Li
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin 300193, China; E-Mails: (P.S.); (Y.D.); (X.L.); (J.H.)
| | - Jia Hao
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin 300193, China; E-Mails: (P.S.); (Y.D.); (X.L.); (J.H.)
| | - Yi Zhang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshanxi Road, Nankai District, Tianjin 300193, China; E-Mails: (P.S.); (Y.D.); (X.L.); (J.H.)
- Authors to whom correspondence should be addressed; E-Mails: (Y.Z.); (T.W.); Tel./Fax: +86-225-959-6163 (Y.Z./T.W.)
| | - Tao Wang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 312 Anshan Road, Nankai District, Tianjin 300193, China; E-Mails: (L.H.); (T.W.)
- Authors to whom correspondence should be addressed; E-Mails: (Y.Z.); (T.W.); Tel./Fax: +86-225-959-6163 (Y.Z./T.W.)
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15
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Obied HK, Song Y, Foley S, Loughlin M, Rehman AU, Mailer R, Masud T, Agboola S. Biophenols and antioxidant properties of Australian canola meal. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:9176-9184. [PMID: 23889116 DOI: 10.1021/jf4026585] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
During the extraction of canola oil, large quantities of meal are produced. Extracting biophenols from Australian canola meal (ACM) adds value to an otherwise low-value agro-industrial byproduct. This study examined the biophenol content and the antioxidant activity of ACM, the impact of extraction conditions, and varietal differences. Sinapine was the principal biophenol in ACM. In crude and hydrolyzed extracts, 31 compounds were identified: 2 dihexosides, 2 organic acids, 4 glucosinolates, 17 sinapic acid derivatives, 2 cyclic spermidine alkaloids, caffeic acid and its dihexoside, kaempferol, and its C-glucoside. ACM showed significant free radical scavenging activity in DPPH(•) and ABTS(•+) assays. Sinapine was the chief contributor to ACM antioxidant activity, whereas kaempferol sinapoyl triglucoside isomer was the most potent antioxidant. Biophenol content ranged between 12.8 and 15.4 mg GAE/g DW. Differences among studied cultivars were generally quantitative. The Tarcoola cultivar showed the highest biophenol content and antioxidant activity.
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Affiliation(s)
- Hassan K Obied
- Graham Centre for Agricultural Innovation, School of Biomedical Sciences, Charles Sturt University , Wagga Wagga, NSW, Australia 2678
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16
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Belkadhi A, De Haro A, Soengas P, Obregon S, Cartea ME, Djebali W, Chaïbi W. Salicylic Acid Improves Root Antioxidant Defense System and Total Antioxidant Capacities of Flax Subjected to Cadmium. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2013; 17:398-406. [DOI: 10.1089/omi.2013.0030] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Aïcha Belkadhi
- Département de Biologie, Unité de Recherche de Physiologie et Biochimie de la tolérance des plantes aux contraintes abiotiques, Faculté des Sciences de Tunis, Campus Universitaire, Tunis, Tunisia
- Department of Agronomy and Plant Breeding, Institute of Sustainable Agriculture, Spanish Council for Scientific Research (CSIC), Córdoba, Spain
| | - Antonio De Haro
- Department of Agronomy and Plant Breeding, Institute of Sustainable Agriculture, Spanish Council for Scientific Research (CSIC), Córdoba, Spain
| | - Pilar Soengas
- Department of Plant Genetics, Misión Biológica de Galicia, Spanish Council for Scientific Research (CSIC), Pontevedra, Spain
| | - Sara Obregon
- Department of Agronomy and Plant Breeding, Institute of Sustainable Agriculture, Spanish Council for Scientific Research (CSIC), Córdoba, Spain
| | - Maria Elena Cartea
- Department of Plant Genetics, Misión Biológica de Galicia, Spanish Council for Scientific Research (CSIC), Pontevedra, Spain
| | - Wahbi Djebali
- Département de Biologie, Unité de Recherche de Physiologie et Biochimie de la tolérance des plantes aux contraintes abiotiques, Faculté des Sciences de Tunis, Campus Universitaire, Tunis, Tunisia
| | - Wided Chaïbi
- Département de Biologie, Unité de Recherche de Physiologie et Biochimie de la tolérance des plantes aux contraintes abiotiques, Faculté des Sciences de Tunis, Campus Universitaire, Tunis, Tunisia
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17
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Application of ultra performance liquid chromatography-photodiode detector-quadrupole/time of flight-mass spectrometry (UPLC-PDA-Q/TOF-MS) method for the characterization of phenolic compounds of Lepidium sativum L. sprouts. Eur Food Res Technol 2013. [DOI: 10.1007/s00217-013-1925-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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18
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Colombo R, Yariwake JH, Queiroz EF, Ndjoko K, Hostettmann K. LC-MS/MS ANALYSIS OF SUGARCANE EXTRACTS AND DIFFERENTIATION OF MONOSACCHARIDES MOIETIES OF FLAVONE C-GLYCOSIDES. J LIQ CHROMATOGR R T 2013. [DOI: 10.1080/10826076.2011.649876] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Renata Colombo
- a Instituto de Química de São Carlos , Universidade de São Paulo , São Carlos , São Paulo , Brazil
| | - Janete Harumi Yariwake
- a Instituto de Química de São Carlos , Universidade de São Paulo , São Carlos , São Paulo , Brazil
| | - Emerson Ferreira Queiroz
- b Laboratoire de Pharmacognosie et Phytochimie, École de Pharmacie Genève-Lausanne , Université de Genève , Genève , Switzerland
| | - Karine Ndjoko
- b Laboratoire de Pharmacognosie et Phytochimie, École de Pharmacie Genève-Lausanne , Université de Genève , Genève , Switzerland
| | - Kurt Hostettmann
- b Laboratoire de Pharmacognosie et Phytochimie, École de Pharmacie Genève-Lausanne , Université de Genève , Genève , Switzerland
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Mayakrishnan V, Veluswamy S, Sundaram KS, Kannappan P, Abdullah N. Free radical scavenging potential of Lagenaria siceraria (Molina) Standl fruits extract. ASIAN PAC J TROP MED 2013; 6:20-6. [DOI: 10.1016/s1995-7645(12)60195-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2012] [Revised: 08/31/2012] [Accepted: 10/05/2012] [Indexed: 11/16/2022] Open
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20
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Cabello-Hurtado F, Gicquel M, Esnault MA. Evaluation of the antioxidant potential of cauliflower (Brassica oleracea) from a glucosinolate content perspective. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.11.086] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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21
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Soengas P, Cartea ME, Francisco M, Sotelo T, Velasco P. New insights into antioxidant activity of Brassica crops. Food Chem 2012; 134:725-33. [PMID: 23107684 DOI: 10.1016/j.foodchem.2012.02.169] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 02/16/2012] [Accepted: 02/23/2012] [Indexed: 11/16/2022]
Abstract
Antioxidant activity of six Brassica crops-broccoli, cabbage, cauliflower, kale, nabicol and tronchuda cabbage-was measured at four plant stages with DPPH and FRAP assays. Samples taken three months after sowing showed the highest antioxidant activity. Kale crop possessed the highest antioxidant activity at this plant stage and also at the adult plant stage, while cauliflower showed the highest antioxidant activity in sprouts and in leaves taken two months after sowing. Brassica by-products could be used as sources of products with high content of antioxidants. Phenolic content and composition varied, depending on the crop under study and on the plant stage; sprout samples were much higher in hydroxycinnamic acids than the rest of samples. Differences in antioxidant activity of Brassica crops were related to differences in total phenolic content but also to differences in phenolic composition for most samples.
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Affiliation(s)
- P Soengas
- Department of Plant Genetics, Misión Biológica de Galicia (MBG-CSIC), P.O. Box 28, E-36080 Pontevedra, Spain.
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22
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JAISWAL AMITKUMAR, RAJAURIA GAURAV, ABU-GHANNAM NISSREEN, GUPTA SHILPI. EFFECT OF DIFFERENT SOLVENTS ON POLYPHENOLIC CONTENT, ANTIOXIDANT CAPACITY AND ANTIBACTERIAL ACTIVITY OF IRISH YORK CABBAGE. J Food Biochem 2011. [DOI: 10.1111/j.1745-4514.2011.00545.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Dinis LT, Oliveira MM, Almeida J, Costa R, Gomes-Laranjo J, Peixoto F. Antioxidant activities of chestnut nut of Castanea sativa Mill. (cultivar 'Judia') as function of origin ecosystem. Food Chem 2011; 132:1-8. [PMID: 26434256 DOI: 10.1016/j.foodchem.2011.09.096] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Revised: 08/01/2011] [Accepted: 09/22/2011] [Indexed: 10/15/2022]
Abstract
The antioxidant properties of different ecotypes of chestnut nut (cv. Judia) were studied. Total phenolics and flavonoids were also determinated. Total phenolics amount ranged from 9.6mg/g of GAE (hottest ecotype, Murça) to 19.4mg/g of GAE (coldest ecotype, Valpaços). Gallic and ellagic acid were the predominant compounds and Valpaços had the highest values while, Murça had the lowest ones. The antioxidant capacity of ethanolic extracts were evaluated through several biochemical essays: ABTS (2,2'-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid)) and DPPH (2,2-diphenyl-1-picrylhydrazyl) radical-scavenging activity, FRAP (ferric reducing/antioxidant power) and inhibition of oxidative haemolysis in erythrocytes. In order to evaluate the antioxidant efficiency of each ecotype, the EC50 values were calculated. Once again Valpaços revealed the best antioxidant properties, presenting much lower EC50 values. Climatic conditions influence seems to be a limiting factor for production of phenolic compounds and consequently for the antioxidant properties of chestnut nuts.
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Affiliation(s)
- Lia-Tânia Dinis
- Centre for Investigation and Agro Environmental and Biological Technologies (CITAB) - Department of Biologic and Environmental Engineering (DEBA), University of Trás-os-Montes e Alto Douro, Apt. 1013, 5001-801 Vila Real, Portugal.
| | - Maria Manuela Oliveira
- Chemistry Center-Vila Real (CQ-VR) - Department of Chemistry, University of Trás-os-Montes e Alto Douro, Apt. 1013, 5001-801 Vila Real, Portugal
| | - José Almeida
- Centre for Animal and Veterinary Science (CECAV) - Department of Chemistry, University of Trás-os-Montes e Alto Douro, Apt. 1013, 5001-801 Vila Real, Portugal
| | - Rita Costa
- National Institute of Biological Resources (L-INIA), I.P. 2780-159 Oeiras, Portugal
| | - José Gomes-Laranjo
- Centre for Investigation and Agro Environmental and Biological Technologies (CITAB) - Department of Biologic and Environmental Engineering (DEBA), University of Trás-os-Montes e Alto Douro, Apt. 1013, 5001-801 Vila Real, Portugal
| | - Francisco Peixoto
- Centre for Animal and Veterinary Science (CECAV) - Department of Chemistry, University of Trás-os-Montes e Alto Douro, Apt. 1013, 5001-801 Vila Real, Portugal
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Wang SM, Yu DJ, Song KB. Physicochemical Characteristics of Kohlrabi Slices Dehydrated by the Addition of Maltodextrin. Prev Nutr Food Sci 2011. [DOI: 10.3746/jfn.2011.16.2.189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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25
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Batista C, Barros L, Carvalho AM, Ferreira IC. Nutritional and nutraceutical potential of rape (Brassica napus L. var. napus) and “tronchuda” cabbage (Brassica oleraceae L. var. costata) inflorescences. Food Chem Toxicol 2011; 49:1208-14. [DOI: 10.1016/j.fct.2011.02.023] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2010] [Revised: 02/17/2011] [Accepted: 02/25/2011] [Indexed: 10/18/2022]
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26
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Endringer DC, Pezzuto JM, Braga FC. NF-kappaB inhibitory activity of cyclitols isolated from Hancornia speciosa. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2009; 16:1064-1069. [PMID: 19423310 DOI: 10.1016/j.phymed.2009.03.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2009] [Accepted: 03/23/2009] [Indexed: 05/27/2023]
Abstract
Hancornia speciosa Gomes (Apocynaceae) is a Brazilian plant traditionally employed to treat inflammatory conditions, among other uses. The chemopreventive effect of an ethanol extract from H. speciosa leaves (EHS) was evaluated in a battery of in vitro tests [inhibition of aromatase, NF-kappaB and ornithine decarboxylase (ODC), antioxidant response elements (ARE) induction and cell proliferation assays]. Bioassay-directed fractionation of EHS following by inhibition of 12-O-tetradecanoyl-13-acetate (TPA)-mediated NF-kB activation led to the isolation of the cyclitols quinic acid (1) (85.0+/-12.3 microM) and l-(+)-bornesitol (2) (IC(50)=27.5+/-3.8 microM), along with rutin (26.8+/-6.3 microM). Based on these lead compounds, the cyclitols per-O-acetyl-1l-(+)-bornesitol (3) (IC(50)=38.4+/-6.2 microM), myo-inositol (4) (>180.2 microM), scyllo-inositol (5) (83.0+/-13.7 microM) and beta-d-galactoside-myo-inositol (6) (52.4+/-8.4 microM) were evaluated in the assay, but found to be somewhat less active than 1 and 2. None of the compounds was active in the ARE, aromatase or ODC assays and did not inhibit proliferation of MCF-7, LNCaP, HepG2 or LU-1 cell lines at a final concentration of 20 microg/ml (equivalent to 104.07-32.76 microM).This work identifies l-(+)-bornesitol, quinic acid and rutin as NF-kappaB inhibitors of H. speciosa and suggests cyclitols, in addition to myo-inositol, are potentially useful as chemopreventive agents.
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Affiliation(s)
- Denise C Endringer
- Faculdade de Farmácia, Universidade Federal de Minas Gerais, CEP 31270-901, Belo Horizonte, Brazil
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Wei S, Li X, Gruber MY, Li R, Zhou R, Zebarjadi A, Hannoufa A. RNAi-mediated suppression of DET1 alters the levels of carotenoids and sinapate esters in seeds of Brassica napus. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:5326-5333. [PMID: 19459679 DOI: 10.1021/jf803983w] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Carotenoids and sinapate esters in Brassica napus affect the nutritional value of the seed. In this study, the B. napus regulatory gene DE-ETIOLATED1 (DET1), which is a negative regulator of light-mediated responses in plants and affects carotenoid and flavonoid pathways in tomato, was suppressed both constitutively and in a seed-specific manner by RNAi. Constitutive silencing of DET1 resulted in transgenic seeds with substantially elevated levels of lutein, beta-carotene, and zeaxanthin relative to nontransgenic seeds. Levels of these carotenoids were also enhanced but to a lesser extent in seeds of transgenic plants with seed-specific silencing of DET1. Moreover, sinapate esters 1,2-disinapoylgentiobiose and 1,2-di-O-sinapoylglucose were identified in the seeds using 1D and 2D NMR, as well as ESI-MS spectrum analyses. The levels of 1,2-di-O-sinapoylglucose in seeds in both sets of transgenic plants were lower compared to nontransgenic seeds. The results revealed that DET1 suppression in B. napus can increase the levels of carotenoids and reduce the levels of sinapate esters simultaneously in the seeds, thus enhancing their overall nutritional value.
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Affiliation(s)
- Shu Wei
- Agriculture and Agri-Food Canada, Saskatoon, Saskatchewan, Canada
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28
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Scavenging capacity of strawberry tree (Arbutus unedo L.) leaves on free radicals. Food Chem Toxicol 2009; 47:1507-11. [PMID: 19351553 DOI: 10.1016/j.fct.2009.03.042] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2009] [Revised: 03/26/2009] [Accepted: 03/28/2009] [Indexed: 10/20/2022]
Abstract
Despite strawberry tree (Arbutus unedo L.) leaves had a long use in traditional medicine due to its antiseptic, diuretic, astringent and depurative properties, the potential of their antioxidant activity are still lacking. Our study goals to assess the antioxidant and free radical scavenging potential of water, ethanol, methanol and diethyl ether extracts of A. unedo leaves. Total phenols content was achieved spectrophotometrically using Folin-Ciocalteau reagent with gallic acid as standard. Antioxidant activity was evaluated using three different methods: reducing power of iron (III)/ferricyanide complex assay, scavenging effect on DPPH (2,2-diphenyl-1-picrylhydrazyl) radicals and scavenging effect on superoxide radicals by using the PMS-NADH-nitroblue tetrazolium system. Ethanol extracts of A. unedo leaves were the highest in reducing power (IC(50) 232.7 microg/mL) and DPPH scavenging effect (IC(50) 63.2 microg/mL) followed by water extracts (with IC(50) of 287.7 and 73.7 microg/mL, respectively); whereas diethyl ether extracts were the lowest. In the scavenging on superoxide radical assay, methanol extracts obtained the best results (IC(50) 6.9 microg/mL). For all the methods tested the antioxidant activity was concentration dependent. In accordance with antioxidant activity, highest total phenols content were found in ethanol, followed by water, methanol and diethyl ether extract. The results indicated that A. unedo leaves are a potential source of natural antioxidants.
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Sousa C, Pereira DM, Valentão P, Ferreres F, Pereira JA, Seabra RM, Andrade PB. Pieris brassicae inhibits xanthine oxidase. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:2288-2294. [PMID: 19227975 DOI: 10.1021/jf803831v] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The antioxidant potential of an aqueous extract obtained from Pieris brassicae larvae reared on Brassica oleracea L. var. costata DC was evaluated against 2,2-diphenyl-1-picrylhydrazyl radical and several reactive oxygen species. The results revealed an effective concentration-dependent protective activity against superoxide and hydroxyl radicals, being superior to that of the host plant. In addition, the larvae extract also exhibited a strong inhibitory effect on xanthine oxidase that was not observed for B. oleracea var. costata. A weak scavenging ability was noticed for hypochlorous acid. Several phenolic compounds with complex chemical structures that are hard to synthesize in the laboratory were found in P. brassicae extract. This is the first time that an insect has been tested for its xanthine oxidase inhibitory capacity, which proved to be very high. These findings are interesting considering that they can be used by food or pharmaceutical industries to prevent the oxidation of their products, to increase the dietary supply of antioxidants, or for prevention of free radical-mediated diseases, namely, gout.
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Affiliation(s)
- Carla Sousa
- REQUIMTE/Servico de Farmacognosia, Faculdade de Farmacia, Universidade do Porto, Porto, Portugal
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31
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Ferreres F, Pereira DM, Valentão P, Andrade PB, Seabra RM, Sottomayor M. New phenolic compounds and antioxidant potential of Catharanthus roseus. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:9967-9974. [PMID: 18850714 DOI: 10.1021/jf8022723] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Screening of the phenolic compounds from seeds, stems, leaves and petals of Catharanthus roseus (L.) G. Don (cv. Little Bright Eye) was achieved by HPLC-DAD-ESI-MS/MS. This is the first detailed study of noncolored phenolics in C. roseus, which allowed the characterization of three caffeoylquinic acids and fifteen flavonol glycosides (di- and trisaccharides of kaempferol, quercetin and isorhamnetin). Fifteen compounds are reported for the first time in this species. The scavenging ability of the different plant matrices was assessed against DPPH(*) radical and against reactive oxygen (superoxide radical) and a reactive nitrogen (nitric oxide) species. A concentration-dependent protective effect was observed for seeds and tissues, with petals shown to be the most active.
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Affiliation(s)
- Federico Ferreres
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University Espinardo, Murcia, Spain
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Inflorescences of Brassicacea species as source of bioactive compounds: A comparative study. Food Chem 2008; 110:953-61. [DOI: 10.1016/j.foodchem.2008.02.087] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2007] [Revised: 12/28/2007] [Accepted: 02/29/2008] [Indexed: 11/23/2022]
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Oliveira AP, Pereira DM, Andrade PB, Valentão P, Sousa C, Pereira JA, Bento A, Rodrigues MA, Seabra RM, Silva BM. Free amino acids of tronchuda cabbage (Brassica oleracea L. Var. costata DC): influence of leaf position (internal or external) and collection time. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:5216-5221. [PMID: 18553888 DOI: 10.1021/jf800563w] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The free amino acid profile of 18 samples of tronchuda cabbage ( Brassica oleracea L. var. costata DC) leaves, harvested at three different months, was determined by HPLC/UV-vis. The tronchuda cabbage leaves total free amino acid content varied from 3.3 to 14.4 g/kg fresh weight. Generally, arginine was the major compound, followed by proline, threonine, glutamine, cysteine, and glutamic acid. This study indicates that free amino acids are not similarly distributed: in external leaves, proline and arginine were the major free amino acids, while in internal ones, arginine was the main free amino acid, followed by threonine, glutamine, and cysteine. Significant differences were observed for valine, proline, arginine, leucine, cysteine, lysine, histidine, and tyrosine contents. The levels of some free amino acids were significantly affected by the collection period. In external leaves, this occurred with glutamic acid, serine, valine, leucine, cysteine, and ornithine contents, while in internal leaves, it occurred with aspartic acid, arginine, and total contents.
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Affiliation(s)
- Andreia P Oliveira
- CEBIMED, Faculdade de Ciências da Saúde, Universidade Fernando Pessoa, R. Carlos da Maia, 296, 4200-150 Porto, Portugal
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Sousa C, Valentão P, Ferreres F, Seabra RM, Andrade PB. Tronchuda cabbage (Brassica oleracea L. var. costata DC): scavenger of reactive nitrogen species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2008; 56:4205-4211. [PMID: 18461965 DOI: 10.1021/jf072740y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The ability of tronchuda cabbage ( Brassica oleracea L. var. costata DC) to act as a scavenger of the reactive nitrogen species nitric oxide and peroxynitrite was investigated. The aqueous extracts obtained from tronchuda cabbage seeds and from its external and internal leaves exhibited a concentration dependent scavenging capacity. The antioxidant potential observed against the two reactive species was as follows: seeds > external leaves > internal leaves. In order to establish a possible correlation with the chemical composition of the extracts, the activity of ascorbic and sinapic acids and kaempferol 3- O-rutinoside was also studied. Among the compounds tested, sinapic acid showed the strongest antioxidant activity against both species.
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Affiliation(s)
- Carla Sousa
- REQUIMTE/Servico de Farmacognosia, Faculdade de Farmacia, Universidade do Porto, R. Anibal Cunha Porto, Portugal
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Oliveira I, Sousa A, Ferreira ICFR, Bento A, Estevinho L, Pereira JA. Total phenols, antioxidant potential and antimicrobial activity of walnut (Juglans regia L.) green husks. Food Chem Toxicol 2008; 46:2326-31. [PMID: 18448225 DOI: 10.1016/j.fct.2008.03.017] [Citation(s) in RCA: 204] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2008] [Revised: 03/04/2008] [Accepted: 03/11/2008] [Indexed: 10/22/2022]
Abstract
The total phenols content and antioxidant and antimicrobial activities were studied in walnut (Juglans regia L.) green husks aqueous extracts of five different cultivars (Franquette, Mayette, Marbot, Mellanaise and Parisienne). Total phenols content was determined by colorimetric assay and their amount ranged from 32.61 mg/g of GAE (cv. Mellanaise) to 74.08 mg/g of GAE t (cv. Franquette). The antioxidant capacity of aqueous extracts was assessed through reducing power assay, scavenging effects on DPPH (2,2-diphenyl-1-picrylhydrazyl) radicals and beta-carotene linoleate model system. A concentration-dependent antioxidative capacity was verified in reducing power and DPPH assays, with EC50 values lower than 1 mg/mL for all the tested extracts. The antimicrobial capacity was screened against Gram positive and Gram negative bacteria, and fungi. All the extracts inhibited the growth of Gram positive bacteria, being Staphylococcus aureus the most susceptible one with MIC of 0.1 mg/mL for all the extracts. The results obtained indicate that walnut green husks may become important in the obtainment of a noticeable source of compounds with health protective potential and antimicrobial activity.
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Affiliation(s)
- Ivo Oliveira
- CIMO/Escola Superior Agrária, Instituto Politécnico de Bragança, Campus Sta Apolónia, Apartado 1 172, 5301-855 Bragança, Portugal
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