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Golonka I, Dryś A, Podgórska K, Polewska J, Musiał W. Evaluation of Decay Kinetics of Black Elderberry Antioxidants from Fruits and Flowers. Antioxidants (Basel) 2024; 13:804. [PMID: 39061873 PMCID: PMC11274222 DOI: 10.3390/antiox13070804] [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: 05/23/2024] [Revised: 06/25/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024] Open
Abstract
The health-promoting properties of black elderberry are related to its high content of polyphenols (natural antioxidants), which eliminate free radicals and prevent the formation of oxidative stress responsible for many diseases. The aim of this work was to determine, the anti-radical effect of Sambucus nigra infusions based on the reaction with 2,2-diphenyl-1-picrylhydrazyl (DPPH) and galvinoxyl (Glv) radicals and to determine the function describing the disappearance curves of these radicals. The antioxidant properties of infusions obtained from the flowers and fruits of this plant were tested using the modified Brand-Williams method using DPPH and Glv radicals. Higher antioxidant activity towards both the DPPH and Glv radicals was found in flowers compared to fruits. In addition, it was found that the process of quenching radicals in the reaction with Sambucus nigra infusions proceeds in accordance with the assumptions of second-order reaction kinetics. The infusion obtained from flowers quenched radicals faster than fruit infusions. The applied second-order kinetics equation may enable estimation of antioxidants levels in natural sources of radicals.
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Affiliation(s)
| | | | | | | | - Witold Musiał
- Department of Physical Chemistry and Biophysics, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland; (I.G.); (K.P.)
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Bencharif-Betina S, Benhamed N, Benabdallah A, Bendif H, Benslama A, Negro C, Plavan G, Abd-Elkader OH, De Bellis L. A Multi-Approach Study of Phytochemicals and Their Effects on Oxidative Stress and Enzymatic Activity of Essential Oil and Crude Extracts of Rosmarinus officinalis. SEPARATIONS 2023; 10:394. [DOI: 10.3390/separations10070394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
Abstract
Rosmarinus officinalis or Rosemary is a highly valued medicinal vegetal, owing to its notable antispasmodic, anti-inflammatory, and antibacterial properties. In the current work, we aimed to identify the chemical components of the essential oil (EO) of R. officinalis and evaluate its biological properties using an in vitro approach. High performance liquid chromatography time-of-flight mass spectrometry (HPLC-TOF-MS) was utilized to analyze of the hydro-methanolic extract (HME), while gas chromatography–mass spectrometry (GC/MS) was considered during the analysis of the EO’s chemical composition. The antioxidant abilities of HME and the EO were assessed using diverse tests (DPPH, ABTS, GOR, CUPRAC, and FRAP). The anti-enzymatic properties were tested by the inhibition of cholinesterases, α-glucosidase, and tyrosinase enzyme. The HPLC-TOF-MS displayed the existence of flavonoids like luteolin glucuronide I and II, and a few known hydroxycinnamic acids. The EO contained three major components, namely, eucalyptol (28.7%), camphor (16.7%), and borneol (13.5%). The HME had a high total polyphenol content, as determined by the Folin–Ciocalteau method (335.37 ± 9.33 µg of gallic acid eq·mg−1). Notably, the analysis of the bioactivities of the HME and EO revealed comparatively that they possessed higher radical scavenging capacity in the DPPH, ABTS, and galvinoxyl assays, while EO exhibited a higher capacity for enzyme inhibition. Overall, our findings suggest that both the EO and HME extract of Algerian’s R. officinalis holds great usefulness in the pharmaceutical and nutraceutical fields due to its elevated polyphenol content and potent bioactivities.
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Affiliation(s)
- Soumeya Bencharif-Betina
- Laboratory of Genetic Biochemistry and Plants Biotechnologies, University Frères Mentouri Constantine 1, Constantine 25000, Algeria
| | - Nadjia Benhamed
- Laboratory of Biotechnology of Rhizobia and Plants Improvement (LBRAP), University of Oran 1, Es Senia 31100, Algeria
| | - Amina Benabdallah
- Department of Agronomy, Faculty of Natural and life Sciences, University of El-Tarf, El-Tarf 36000, Algeria
| | - Hamdi Bendif
- Department of Natural and Life Sciences, Faculty of Sciences, University of M’sila, M’sila 28000, Algeria
| | - Abderrahim Benslama
- Department of Biochemistry and Microbiology, Faculty of Sciences, University of M’sila, M’sila 28000, Algeria
| | - Carmine Negro
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Gabriel Plavan
- Department of Biology, Faculty of Biology, “Alexandru Ioan Cuza” University, Bvd. Carol I, No. 20A, 700505 Iasi, Romania
| | - Omar H. Abd-Elkader
- Physics & Astronomy Department, Science College, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Luigi De Bellis
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
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Hechaichi FZ, Bendif H, Bensouici C, Alsalamah SA, Zaidi B, Bouhenna MM, Souilah N, Alghonaim MI, Benslama A, Medjekal S, Qurtam AA, Miara MD, Boufahja F. Phytochemicals, Antioxidant and Antimicrobial Potentials and LC-MS Analysis of Centaurea parviflora Desf. Extracts. Molecules 2023; 28:molecules28052263. [PMID: 36903521 PMCID: PMC10005273 DOI: 10.3390/molecules28052263] [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: 01/25/2023] [Revised: 02/16/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Centaurea parviflora (C. parviflora), belonging to the family Asteraceae, is an Algerian medicinal plant used in folk medicine to treat different diseases related to hyperglycemic and inflammatory disorders, as well as in food. The present study aimed to assess the total phenolic content, in vitro antioxidant and antimicrobial activity and phytochemical profile of the extracts of C. parviflora. The extraction of phenolic compounds from aerial parts was conducted using solvents of increasing polarity starting from methanol, resulting in crude extract (CE), to chloroform extract (CHE), ethyl acetate extract (EAE) and butanol extract (BUE). The total phenolic, flavonoid and flavonol contents of the extracts were determined using the Folin-Ciocalteu and AlCl3 methods, respectively. The antioxidant activity was measured with seven methods: 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay, galvinoxyl free-radical-scavenging test, 2,2'-Azino-Bis(3-Ethylbenzothiazoline-6-Sulfonic Acid) (ABTS) assay, cupric reducing antioxidant capacity (CUPRAC), reducing power, Fe+2-phenanthroline reduction assay and superoxide-scavenging test. The disc-diffusion method aimed at testing the sensitivity of bacterial strains toward our extracts. A qualitative analysis with thin-layer chromatography of the methanolic extract was performed. Moreover, HPLC-DAD-MS was used to establish the phytochemical profile of the BUE. The BUE was found to contain high amounts of total phenolics (175.27 ± 2.79 µg GAE/mg E), flavonoids (59.89 ± 0.91 µg QE/mg E) and flavonols (47.30 ± 0.51 µg RE/mg E). Using TLC, different components such as flavonoids and polyphenols were noted. The highest radical-scavenging ability was recorded for the BUE against DPPH (IC50 = 59.38 ± 0.72 µg/mL), galvinoxyl (IC50 = 36.25 ± 0.42 µg/mL), ABTS (IC50 = 49.52 ± 1.54 µg/mL) and superoxide (IC50 = 13.61 ± 0.38 µg/mL). The BUE had the best reducing power according to the CUPRAC (A0.5 = 71.80 ± 1.22 μg/mL), phenanthroline test (A0.5 = 20.29 ± 1.16 μg/mL) and FRAP (A0.5 = 119.17 ± 0.29 μg/mL). The LC-MS analysis of BUE allowed us to identify eight compounds including six phenolic acids and two flavonoids: quinic acid, five chlorogenic acid derivatives, rutin and quercetin 3-o-glucoside. This preliminary investigation revealed that the extracts of C. parviflora have a good biopharmaceutical activity. The BUE possesses an interesting potential for pharmaceutical/nutraceutical applications.
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Affiliation(s)
- Fatima Zohra Hechaichi
- Biodiversity and Biotechnological Techniques for Plant Resources Valorization Laboratory, Department of Natural and Life Sciences, Faculty of Sciences, University of Msila, Msila 28000, Algeria
| | - Hamdi Bendif
- Biodiversity and Biotechnological Techniques for Plant Resources Valorization Laboratory, Department of Natural and Life Sciences, Faculty of Sciences, University of Msila, Msila 28000, Algeria
- Laboratory of Ethnobotany and Natural Substances, Department of Natural Sciences, Ecole Normale Supérieure (ENS), Alger 16308, Algeria
- Correspondence: (H.B.); (F.B.)
| | - Chawki Bensouici
- Biotechnology Research Center, UV 03, BP E7, Ali Mendjeli, Constantine 25000, Algeria
| | - Sulaiman A. Alsalamah
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Boutheina Zaidi
- Faculty of Nature and Life Sciences, University of Constantine, Constantine 25000, Algeria
| | | | - Nabila Souilah
- Laboratory for the Optimization of Agricultural Production in Sub-Humid Zones (LOPAZS), Department of Agricultural Sciences, Faculty of Sciences, University of Skikda, Skikda 21000, Algeria
- Laboratory for Valorization of Natural Resources, Bioactive Molecules and Physico-Chemical and Biological Analysis, Department of Chemistry, University of Constantine, Constantine 25000, Algeria
| | - Mohammed I. Alghonaim
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Abderrahim Benslama
- Department of Microbiology and Biochemistry, University of Msila, Msila 28000, Algeria
| | - Samir Medjekal
- Department of Microbiology and Biochemistry, University of Msila, Msila 28000, Algeria
| | - Ashraf A. Qurtam
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Mohamed Djamel Miara
- Department and Faculty of Nature and Life Sciences, University of Tiaret, Tiaret 14000, Algeria
| | - Fehmi Boufahja
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
- Correspondence: (H.B.); (F.B.)
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Benchikha N, Messaoudi M, Larkem I, Ouakouak H, Rebiai A, Boubekeur S, Ferhat MA, Benarfa A, Begaa S, Benmohamed M, Almasri DM, Hareeri RH, Youssef FS. Evaluation of Possible Antioxidant, Anti-Hyperglycaemic, Anti-Alzheimer and Anti-Inflammatory Effects of Teucrium polium Aerial Parts (Lamiaceae). LIFE (BASEL, SWITZERLAND) 2022; 12:life12101579. [PMID: 36295014 PMCID: PMC9604868 DOI: 10.3390/life12101579] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 11/07/2022]
Abstract
Teucrium polium L. is commonly used in folk medicine to treat hypertension and diabetes and to heal wounds. The present work aimed to evaluate the different biological activities of T. polium hydroalcoholic extract, its total phenol and flavonoid content, and its mineral elements. Results showed that T. polium extract showed significant antioxidant potential in 2-diphenyl-1-picrylhydrazyl (DPPH) assay with IC50 equal to 8.68 μg/mL but with moderate activity in galvinoxyl assay with IC50 of 21.82 μg/mL and mild activity in the β-carotene assay. It also showed a pronounced anti-hyperglycemic activity using α-amylase inhibitory assay (IC50 = 111.68 µg/mL) and exceeds that of acarbose. T. polium showed excellent activity against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) with IC50 values of 28.69 and 4.93 μg/mL, respectively, postulating its promising anti-Alzheimer potential. The plant extract exhibited a strong anti-inflammatory effect with Bovine Serum Albumin (BSA) denaturation inhibitory potential estimated by 97.53% at 2 mg/mL, which was further confirmed by the in vivo carrageen-induced edema model. The extract revealed its richness in flavonoids and phenols, evidenced by its polyphenols content (36.35 ± 0.294 μg GAE/mg) and flavonoids (24.30 ± 0.44 μg QE/mg). It is rich in minerals necessary for human health, such as calcium, potassium, iron, sodium, magnesium, manganese and zinc. Molecular docking performed for previously identified compounds on human α-amylase, 5-lipoxygenase (5-LOX) and acetylcholine esterase confirmed the results. Thus, it can be concluded that T. polium can be a good candidate for alleviating many health-debilitating problems and can be highly beneficial in the pharmaceutical industry and medical research.
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Affiliation(s)
- Naima Benchikha
- Laboratory of Applied Chemistry and Environment (LCAE), Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El-Oued 39000, Algeria
| | - Mohammed Messaoudi
- Laboratory of Applied Chemistry and Environment (LCAE), Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El-Oued 39000, Algeria
- Nuclear Research Centre of Birine, P.O. Box 180, Ain Oussera, Djelfa 17200, Algeria
| | - Imane Larkem
- Laboratory of Diversity of Ecosystems and Dynamics of Agricultural Production Systems in Arid Zones, Department of Agronomy, Faculty of Nature and Life Science, Biskra University, Biskra 07000, Algeria
| | - Hamza Ouakouak
- Laboratory of Applied Chemistry and Environment (LCAE), Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El-Oued 39000, Algeria
| | - Abdelkrim Rebiai
- Laboratory of Applied Chemistry and Environment (LCAE), Chemistry Department, University of Hamma Lakhdar El-Oued, B.P.789, El-Oued 39000, Algeria
| | - Siham Boubekeur
- Research and Development Centre RDC-SAIDAL, 35Benyoucef Khattab Avenue, Mohammadia, El-Harrah, Algiers 16000, Algeria
| | | | - Adel Benarfa
- Centre de Recherche Scientifique Et Technique en Analyses Physico-Chimiques (CRAPC)-PTAPC, P.O. Box 0354, Laghouat 03000, Algeria
| | - Samir Begaa
- Nuclear Research Centre of Birine, P.O. Box 180, Ain Oussera, Djelfa 17200, Algeria
| | - Mokhtar Benmohamed
- Laboratory of Fundamental Sciences, University Amar Télidji of Laghouat, P.O. Box 37G, Road of Ghardaïa, Laghouat 03000, Algeria
| | - Diena M. Almasri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rawan H. Hareeri
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Fadia S. Youssef
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Abbasia, Cairo 11566, Egypt
- Correspondence:
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Kaneko T, Mita Y, Nozawa-Kumada K, Yazaki M, Arisawa M, Niki E, Noguchi N, Saito Y. Antioxidant action of persulfides and polysulfides against free radical-mediated lipid peroxidation. Free Radic Res 2022; 56:677-690. [PMID: 36630595 DOI: 10.1080/10715762.2023.2165918] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Hydrogen sulfide, hydropersulfides, and hydropolysulfides have been revealed to play important physiological roles such as cell signaling and protection against oxidative stress, but the underlying mechanisms and dynamics of action remain elusive. It is generally accepted that these species act by two-electron redox mechanisms, while the involvement of one-electron redox chemistry has received less attention. In this study, the radical-scavenging activity of hydrogen persulfide, hydrogen polysulfides (HSnH n = 2-4), and diallyl- or dialkyl-sulfides (RSnR, n = 1-4) was measured. Furthermore, their antioxidant effects against free radical-mediated human plasma lipid peroxidation were assessed by measuring lipid hydroperoxides. It was found that disodium disulfide, trisulfide, and tetrasulfide acted as potent peroxyl radical scavengers, the rate constant for scavenging peroxyl radical being 3.5 × 105, 4.0 × 105, and 6.0 × 105 M-1 s-1 in PBS pH 7.4 at 37 °C respectively and that they inhibited plasma lipid peroxidation efficiently, the efficacy is increased with the catenation number. Disodium tetrasulfide was 1.5 times as reactive as Trolox toward peroxyl radical and inhibited plasma lipid peroxidation more efficiently than ascorbate and Trolox. On the other hand, diallyl- and dialkyl-sulfides did not exert significant radical-scavenging activity, nor did they inhibit lipid peroxidation efficiently, except for diallyl tetrasulfide, which suppressed plasma lipid peroxidation, despite less significantly than disodium tetrasulfide. Collectively, this study shows that hydrogen persulfide and hydrogen polysulfides act as potent radical-scavenging antioxidants and that, in addition to two-electron redox mechanisms, one electron redox reaction may also play important role in the in vivo defense against deleterious oxidative stress.
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Affiliation(s)
- Takayuki Kaneko
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Yuichiro Mita
- The Systems Life Sciences Laboratory, Department of Medical Life Systems, Faculty of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan
| | - Kanako Nozawa-Kumada
- Department of Biophysical Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai, Japan
| | - Masana Yazaki
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan
| | - Mieko Arisawa
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan
| | - Etsuo Niki
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Komaba, Tokyo, Japan
| | - Noriko Noguchi
- The Systems Life Sciences Laboratory, Department of Medical Life Systems, Faculty of Life and Medical Sciences, Doshisha University, Kyotanabe, Japan
| | - Yoshiro Saito
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
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Effect of Magnesium Ion on the Radical-Scavenging Rate of Pterostilbene in an Aprotic Medium: Mechanistic Insight into the Antioxidative Reaction of Pterostilbene. Antioxidants (Basel) 2022; 11:antiox11020340. [PMID: 35204222 PMCID: PMC8868536 DOI: 10.3390/antiox11020340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 02/01/2023] Open
Abstract
Pterostilbene (PTS), a methylated analog of resveratrol (RSV), has recently attracted much attention due to its enhanced bioavailability compared to RSV. However, little is known about the radical-scavenging mechanism of PTS. In this study, we investigated the effect of Mg(ClO4)2 on the scavenging reaction of galvinoxyl radical (GO•) by PTS in acetonitrile (MeCN). GO• was used as a model for reactive oxygen radicals. The second-order rate constant (kH) for the GO•-scavenging reaction by PTS was more than threefold larger than that by RSV, although thermodynamic parameters, such as the relative O–H bond dissociation energies of the phenolic OH groups, ionization potentials, and HOMO energies calculated by the density functional theory are about the same between PTS and RSV. The oxidation peak potential of PTS determined by the cyclic voltammetry in MeCN (0.10 M Bu4NClO4) was also virtually the same as that of RSV. On the other hand, no effect of Mg (ClO4)2 on the kH values was observed for PTS, in contrast to the case for RSV. A kinetic isotope effect of 3.4 was observed when PTS was replaced by a deuterated PTS. These results suggest that a one-step hydrogen-atom transfer from PTS to GO• may be the rate-determining step in MeCN.
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RP-HPLC-ESI-QTOF-MS Qualitative Profiling, Antioxidant, Anti-Enzymatic, Anti-Inflammatory, and Non-Cytotoxic Properties of Ephedra alata Monjauzeana. Foods 2022; 11:foods11020145. [PMID: 35053877 PMCID: PMC8774970 DOI: 10.3390/foods11020145] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/23/2021] [Accepted: 12/31/2021] [Indexed: 12/27/2022] Open
Abstract
An investigation was conducted to study the beneficial effects of Ephedra alata monjauzeana crude extract (EamCE). The chemical profile was determined using RP-HPLC–ESI-QTOF-MS analysis, revealing the presence of twenty-one flavonoids and phenolic acids. A series of antioxidant assays was carried out using ten different methods. The EamCE has demonstrated a significant antioxidant potential, with interesting IC50 values not exceeding 40 µg/mL in almost activities. Likewise, a significant inhibition of key enzymes, involved in some health issues, such as Alzheimer’s disease, diabetes, hyperpigmentation, dermatological disorders, gastric/urinary bacterial infections, and obesity, was observed for the first time. The IC50 values ranged from 22.46 to 54.93. The anti-inflammatory and non-cytotoxic activities were assessed by heat-induced hemolysis and cell culture methods, respectively; the EamCE has shown a prominent effect in both tests, notably for the anti-inflammatory effect that was superior to the reference compound “diclofenac” (IC50: 71.03 ± 1.38 > 70.23 ± 0.99 (µg/mL)). According to these results, this plant could be used in a large spectrum as a food supplement, as a natural remedy for various physiological disorders and pathologies; and it might serve as a preventive and health care agent.
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New promising generation of phosphates α-aminophosphonates: Design, synthesis, in-vitro biological evaluation and computational study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131336] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Rechek H, Haouat A, Hamaidia K, Allal H, Boudiar T, Pinto DCGA, Cardoso SM, Bensouici C, Soltani N, Silva AMS. Chemical Composition and Antioxidant, Anti-Inflammatory, and Enzyme Inhibitory Activities of an Endemic Species from Southern Algeria: Warionia saharae. Molecules 2021; 26:molecules26175257. [PMID: 34500690 PMCID: PMC8434534 DOI: 10.3390/molecules26175257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 08/19/2021] [Accepted: 08/26/2021] [Indexed: 11/17/2022] Open
Abstract
Warionia saharae Benth. & Coss. (Asteraceae) is an endemic species of North Africa naturally grown in the southwest of the Algerian Sahara. In the present study, this species’ hydromethanolic leaf extract was investigated for its phenolic profile characterized by ultra-high-performance liquid chromatography coupled with a diode array detector and an electrospray mass spectrometer (UHPLC-DAD-ESI/MS). Additionally, the chemical composition of W. saharae was analyzed by gas chromatography–mass spectrometry, and its antioxidant potential was assessed through five in vitro tests: DPPH● scavenging activity, ABTS●+ scavenging assay, galvinoxyl scavenging activity, ferric reducing power (FRP), and cupric reducing antioxidant capacity. The UHPLC-DAD-ESI/MS analysis allowed the detection and quantification of 22 compounds, with taxifolin as the dominant compound. The GC–MS analysis allowed the identification of 37 compounds, and the antioxidant activity data indicate that W. saharae extract has a very high capacity to capture radicals due to its richness in compounds with antioxidant capacity. The extract also showed potent α-glucosidase inhibition as well as a good anti-inflammatory activity. However, weak anti-α-amylase and anticholinesterase activities were recorded. Moreover, an in silico docking study was performed to highlight possible interactions between three significant compounds identified in W. saharae extract and α-glucosidase enzyme.
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Affiliation(s)
- Habiba Rechek
- Faculty of Sciences of Nature and Life, Mohamed Cherif Messaadia University, Souk-Ahras 41000, Algeria;
- Department of Biology of Organisms, Faculty of Sciences of Nature and Life, University of Batna 2, Mostefa Ben Boulaid, Batna 05078, Algeria
- LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Ammar Haouat
- Unité de Valorisation des Ressources Naturelles, Molécules Bioactives et Analyse Physicochimiques et Biologiques (VARENBIOMOL), Université des Frères Mentouri, Constantine 25000, Algeria;
- Department of Biology, Faculty of Sciences of Nature and Life, University of Oued Souf, Oued Souf 39000, Algeria
| | - Kaouther Hamaidia
- Faculty of Sciences of Nature and Life, Mohamed Cherif Messaadia University, Souk-Ahras 41000, Algeria;
- Laboratory of Applied Animal Biology, Badji Mokhtar University, Annaba 23000, Algeria;
- Correspondence: (K.H.); (D.C.G.A.P.); (A.M.S.S.); Tel.: +213-66-509-5858 (K.H.); +351-234-401407 (D.C.G.A.P.); +351-234-370714 (A.M.S.S.)
| | - Hamza Allal
- Department of Technology, Faculty of Technology, 20 August 1955 Skikda University, Skikda 21000, Algeria;
| | - Tarek Boudiar
- Centre de Recherche en Biotechnologie, Ali Mendjli Nouvelle Ville UV 03, Constantine 25000, Algeria; (T.B.); (C.B.)
| | - Diana C. G. A. Pinto
- LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
- Correspondence: (K.H.); (D.C.G.A.P.); (A.M.S.S.); Tel.: +213-66-509-5858 (K.H.); +351-234-401407 (D.C.G.A.P.); +351-234-370714 (A.M.S.S.)
| | - Susana M. Cardoso
- LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Chawki Bensouici
- Centre de Recherche en Biotechnologie, Ali Mendjli Nouvelle Ville UV 03, Constantine 25000, Algeria; (T.B.); (C.B.)
| | - Noureddine Soltani
- Laboratory of Applied Animal Biology, Badji Mokhtar University, Annaba 23000, Algeria;
| | - Artur M. S. Silva
- LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
- Correspondence: (K.H.); (D.C.G.A.P.); (A.M.S.S.); Tel.: +213-66-509-5858 (K.H.); +351-234-401407 (D.C.G.A.P.); +351-234-370714 (A.M.S.S.)
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Kumar A, Kaushik P, Incerpi S, Pedersen JZ, Goel S, Prasad AK, Rohil V, Parmar VS, Saso L, Len C. Evaluation of the Free Radical Scavenging Activities of Ellagic Acid and Ellagic Acid Peracetate by EPR Spectrometry. Molecules 2021; 26:4800. [PMID: 34443388 PMCID: PMC8399592 DOI: 10.3390/molecules26164800] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/25/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022] Open
Abstract
The purpose of this study was to examine the free radical scavenging and antioxidant activities of ellagic acid (EA) and ellagic acid peracetate (EAPA) by measuring their reactions with the radicals, 2,2-diphenyl-1-picrylhydrazyl and galvinoxyl using EPR spectroscopy. We have also evaluated the influence of EA and EAPA on the ROS production in L-6 myoblasts and rat liver microsomal lipid peroxidation catalyzed by NADPH. The results obtained clearly indicated that EA has tremendous ability to scavenge free radicals, even at concentration of 1 µM. Interestingly even in the absence of esterase, EAPA, the acetylated product of EA, was also found to be a good scavenger but at a relatively slower rate. Kinetic studies revealed that both EA and EAPA have ability to scavenge free radicals at the concentrations of 1 µM over extended periods of time. In cellular systems, EA and EAPA were found to have similar potentials for the inhibition of ROS production in L-6 myoblasts and NADPH-dependent catalyzed microsomal lipid peroxidation.
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Affiliation(s)
- Ajit Kumar
- Department of Chemistry, SRM University, Delhi-NCR, Haryana, 39, RGEC, Sonepat 131 029, India; (A.K.); (P.K.)
- Department of Biochemistry, V. P. Chest Institute, University of Delhi, Delhi 110 007, India; (S.G.); (V.R.)
| | - Preeti Kaushik
- Department of Chemistry, SRM University, Delhi-NCR, Haryana, 39, RGEC, Sonepat 131 029, India; (A.K.); (P.K.)
| | - Sandra Incerpi
- Department of Sciences, University of Rome “Roma Tre”, 00146 Rome, Italy;
| | - Jens Z. Pedersen
- Department of Biology, University of Rome “Tor Vergata”, Via della Ricerca, Scientifica 1, 00133 Rome, Italy;
| | - Sanjay Goel
- Department of Biochemistry, V. P. Chest Institute, University of Delhi, Delhi 110 007, India; (S.G.); (V.R.)
| | - Ashok K. Prasad
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi 110 007, India; (A.K.P.); (V.S.P.)
| | - Vishwajeet Rohil
- Department of Biochemistry, V. P. Chest Institute, University of Delhi, Delhi 110 007, India; (S.G.); (V.R.)
| | - Virinder S. Parmar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi 110 007, India; (A.K.P.); (V.S.P.)
- Department of Chemistry and Environmental Science, Medgar Evers College, The City University of New York, 1638 Bedford Avenue, Brooklyn, NY 11225, USA
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University, P. le. Aldo Moro 5, 00185 Rome, Italy;
| | - Christophe Len
- Institute of Chemistry for Life and Health Sciences, Chimie ParisTech, PSL Research University, CNRS, UMR8060, 11 rue Pierre et Marie Curie, F-75005 Paris, France
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Photoprotective, antioxidant, anticholinesterase activities and phenolic contents of different Algerian Mentha pulegium extracts. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102038] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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12
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Dehimat A, Azizi I, Barragan-Montero V, Khettal B. Cytotoxicity and antioxidant activities of leaf extracts of Varthemia sericea (Batt. et Trab.) Diels. Eur J Integr Med 2021. [DOI: 10.1016/j.eujim.2021.101338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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13
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Aissa R, Guezane-Lakoud S, Toffano M, Gali L, Aribi-Zouioueche L. Fiaud's Acid, a novel organocatalyst for diastereoselective bis α-aminophosphonates synthesis with in-vitro biological evaluation of antifungal, antioxidant and enzymes inhibition potential. Bioorg Med Chem Lett 2021; 41:128000. [PMID: 33798702 DOI: 10.1016/j.bmcl.2021.128000] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 10/21/2022]
Abstract
(S, S)-1-hydroxy-1-oxo-2-c,5-t-diphenylphospholane or Fiaud's acid is used as a novel and effective chiral organocatalyst for bis α-aminophosphonates synthesis with excellent diastereoselectivity and yields within short reaction time. All synthesized bis α-aminophosphonates revealed a good to excellent antifungal capacity, where the six compounds 4a, 4b, 4e, 4h, 4k and 4l are the best fungicide inhibiting the growth of Fusarium oxysporumandBotrytis cinereaby 65% to 84% with IC50 values <0.02 mg/mL. Similarly, these six products exhibited a strong antioxidant effect, whereas a low inhibition activity was obtained with both AChE and BChE. Furthermore, they displayed a very weak inhibitory activity against tyrosinase except for the compound4l.These findings suggest a possible use of these compounds as synthetic pesticides with less hazardous effects with antioxidant, and anti-tyrosinase properties.
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Affiliation(s)
- Rim Aissa
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, B.P 12, 23000 Annaba, Algeria
| | - Samia Guezane-Lakoud
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, B.P 12, 23000 Annaba, Algeria.
| | - Martial Toffano
- Equipe de Catalyse Moléculaire-ICMMO Bât 420, Université Paris- Saclay, France
| | - Lynda Gali
- Research Center in Biotechnology, Ali Mendjli Nouvelle Ville UV 03, BP E73 Constantine, Algeria
| | - Louisa Aribi-Zouioueche
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, B.P 12, 23000 Annaba, Algeria
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14
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Bendjedid S, Lekmine S, Tadjine A, Djelloul R, Bensouici C. Analysis of phytochemical constituents, antibacterial, antioxidant, photoprotective activities and cytotoxic effect of leaves extracts and fractions of Aloe vera. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.101991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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15
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Mecheri A, Amrani A, Benabderrahmane W, Bensouici C, Boubekri N, Benaissa O, Zama D, Benayache F, Benayache S. In Vitro Pharmacological Screening of Antioxidant, Photoprotective, Cholinesterase, and α-Glucosidase Inhibitory Activities of Algerian Crataegus oxyacantha Fruits and Leaves Extracts. Pharm Chem J 2021. [DOI: 10.1007/s11094-021-02334-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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16
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Design, synthesis, biological evaluation, molecular docking, DFT calculations and in silico ADME analysis of (benz)imidazole-hydrazone derivatives as promising antioxidant, antifungal, and anti-acetylcholinesterase agents. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128527] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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17
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Nakanishi I, Ohkubo K, Shoji Y, Fujitaka Y, Shimoda K, Matsumoto KI, Fukuhara K, Hamada H. Relationship between the radical-scavenging activity of selected flavonols and thermodynamic parameters calculated by density functional theory. Free Radic Res 2020; 54:535-539. [PMID: 32838569 DOI: 10.1080/10715762.2020.1813887] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The relationship between radical-scavenging rate constants (k) in an aprotic medium and thermodynamic parameters calculated by density functional theory (DFT) was investigated for 7 flavonols, which are myricetin (Myr), quercetin (Que), morin (Mor), kaempferol (Kae), 2'-methylquercetin (2'-MeQue), 5'-methylquercetin (5'-MeQue), and 2',5'-dimethylquercetin (Me2Que). The k values were determined for the reaction between the flavonols and galvinoxyl radical used as a reactivity model of reactive oxygen species in deaerated acetonitrile at 298 K. The energy difference values (D HT, HT: hydrogen transfer) between the flavonols and the corresponding radicals, which equal to the relative O-H bond dissociation energies of the OH groups in the flavonols and ionisation potentials (IP) were calculated by DFT at the B3LYP/6-31++G(d) level with C-PCM solvation model parameterised for acetonitrile. Among the 7 flavonols used in this study, calculated IP values of 4 flavonols exhibited a linear correlation with log k, suggesting that the radical-scavenging reaction of these flavonols may proceed via an electron transfer as the rate determining step.
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Affiliation(s)
- Ikuo Nakanishi
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences (NIRS), Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Kei Ohkubo
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences (NIRS), Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan.,Institute for Advanced Co-Creation Studies, Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan
| | - Yoshimi Shoji
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences (NIRS), Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | - Yuya Fujitaka
- Department of Life Science, Okayama University of Science, Okayama, Japan
| | - Kei Shimoda
- Department of Biomedical Chemistry, Faculty of Medicine, Oita University, Oita, Japan
| | - Ken-Ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences (NIRS), Quantum Medical Science Directorate, National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan
| | | | - Hiroki Hamada
- Department of Life Science, Okayama University of Science, Okayama, Japan
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18
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Lekmine S, Boussekine S, Kadi K, Martín-García AI, Kheddouma A, Nagaz K, Bensouici C. A comparative study on chemical profile and biological activities of aerial parts (stems, flowers, leaves, pods and seeds) of Astragalus gombiformis. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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19
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Bazine I, Cheraiet Z, Bensegueni R, Bensouici C, Boukhari A. Synthesis, antioxidant and anticholinesterase activities of novel quinoline‐aminophosphonate derivatives. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3933] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ismahene Bazine
- Laboratoire de Synthèse Organique, Modélisation et Optimisation des Procédés chimiques, Faculté des Sciences, Université Badji Mokhtar d'Annaba Annaba Algeria
| | - Zinelaabidine Cheraiet
- Laboratoire de Synthèse Organique, Modélisation et Optimisation des Procédés chimiques, Faculté des Sciences, Université Badji Mokhtar d'Annaba Annaba Algeria
- Ecole Supérieure de Technologies Industrielles Annaba Algeria
| | - Rafik Bensegueni
- Université Mohamed Cherif Messaadia SoukAhras Algeria
- Laboratoire de Chimie des Matériaux ConstantineUniversité Frères Mentouri Constantine 1 Constantine Algeria
| | - Chawki Bensouici
- Centre de Recherche en Biotechnologie, Ali Mendjli Nouvelle Ville UV03 Constantine Algeria
| | - Abbes Boukhari
- Laboratoire de Synthèse Organique, Modélisation et Optimisation des Procédés chimiques, Faculté des Sciences, Université Badji Mokhtar d'Annaba Annaba Algeria
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20
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Suváková M, Majerník M, Jendželovský R, Hovan A, Bánó G, Fedoročko P, Antalík M. In vitro study of disodium cromoglicate as a novel effective hydrotrope solvent for hypericin utilisation in photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2020; 206:111855. [PMID: 32220773 DOI: 10.1016/j.jphotobiol.2020.111855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 02/18/2020] [Accepted: 03/13/2020] [Indexed: 12/23/2022]
Abstract
Hypericin (HY) is a naphthodianthrone that naturally occurs in Hypericum perforatum L. It is a promising photosensitiser used in photodynamic therapy for and diagnosis of oncological diseases. However, its hydrophobic character is an obstacle that has prevented its efficient use. The commonly used solvent, dimethyl sulfoxide (DMSO), is a controversial constituent of HY formulations and its use has been rejected by many researchers studying HY both in vitro and in vivo. In this study, we propose the utilisation of hydrotropy to solubilise HY in an aqueous environment. Cromolyn (DSCG) is a non-toxic, well-tolerated, antiallergic drug that has been employed in clinical practice since 1970, and in aqueous solution it acts as a hydrotrope. At a molecular ratio of 1:12,000 HY to DSCG, the compound is able to solubilise HY in aqueous environment. In an HT-29 cell suspension, DSCG (1.8 mmol L-1) considerably enhances the interaction between HY (150 nmol L-1) and HT-29 cells, which leads to an HY fluorescence emission increase with a half-time approximately 2 min compared to 29 min for samples that lack DSCG. Studies using HT-29 adenocarcinoma cells showed that DSCG at a given concentration significantly improved accumulation of HY within cells compared to DMSO (p < 0.05) despite the relative resistance of the HT-29 cell line to HY-PDT. Though no significant difference between total reactive oxygen species production was observed for photoactivated HY dissolved in DMSO and DSCG, significant singlet oxygen generation by photoactivated HY dissolved in a DSCG-containing water solution at the studied molecular ratio was confirmed. We also clarified that DSCG does not act as a scavenger of ABTS and galvinoxyl free radicals. The results from an MTT assay showed that DSCG also significantly enhanced the cytotoxicity of photoactivated HY compared to DMSO (p < 0.05). This study has demonstrated the ability of DSCG to act as a solvent of HY and enhance the effectiveness of HY-PDT compared to the commonly used organic solvent, DMSO.
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Affiliation(s)
- Mária Suváková
- Department of Biochemistry, Faculty of Science, Pavol Jozef Šafárik University in Košice, Moyzesova 11, 041 54 Košice, Slovakia.
| | - Martin Majerník
- Department of Cellular biology, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University in Košice, Moyzesova 11, 041 54 Košice, Slovakia.
| | - Rastislav Jendželovský
- Department of Cellular biology, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University in Košice, Moyzesova 11, 041 54 Košice, Slovakia.
| | - Andrej Hovan
- Department of Biophysics, Faculty of Science, Pavol Jozef Šafárik University in Košice, Jesenná 5, 041 54 Košice, Slovakia.
| | - Gregor Bánó
- Department of Biophysics, Faculty of Science, Pavol Jozef Šafárik University in Košice, Jesenná 5, 041 54 Košice, Slovakia.
| | - Peter Fedoročko
- Department of Cellular biology, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University in Košice, Moyzesova 11, 041 54 Košice, Slovakia.
| | - Marián Antalík
- Department of Biochemistry, Faculty of Science, Pavol Jozef Šafárik University in Košice, Moyzesova 11, 041 54 Košice, Slovakia; Department of Biophysics, Institute of Experimental Physics, Slovak Academy of Sciences, Bulharská 6, 040 01 Košice, Slovakia.
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21
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Ziyatdinova G, Zelenova Y, Budnikov H. Novel modified electrode with immobilized galvinoxyl radical for the voltammetric determination of antioxidant activity. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113677] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Evaluation of antidiabetic, dermatoprotective, neuroprotective and antioxidant activities of Chrysanthemum fontanesii flowers and leaves extracts. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101209] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Sugahara S, Chiyo A, Fukuoka K, Ueda Y, Tokunaga Y, Nishida Y, Kinoshita H, Matsuda Y, Igoshi K, Ono M, Yasuda S. Unique antioxidant effects of herbal leaf tea and stem tea from Moringa oleifera L. especially on superoxide anion radical generation systems. Biosci Biotechnol Biochem 2018; 82:1973-1984. [PMID: 29993353 DOI: 10.1080/09168451.2018.1495552] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
This study aimed to investigate the unique antioxidative effects of Japanese moringa products, herbal leaf tea and stem tea, using established free radical assays, focusing on superoxide anion (O2-) radical generation systems. Hot-water extracts from moringa teas resulted in different but lower scavenging activities than Trolox in four synthetic free radical models. Interestingly, these extracts further showed higher O2- radical scavenging effects than Trolox in the phenazine methosulfate-NADH-nitroblue tetrazolium and xanthine oxidase assay systems. Incubating human neutrophils in the presence of these tea extracts rather than Trolox effectively suppressed cellular O2- radical generation. Among the eight known phenolic constituents of moringa leaves, caffeic acid and chlorogenic acid may be responsible for the O2-specific radical scavenging capacity stronger than that of Trolox. These results suggest that moringa herbal teas are a good source of natural antioxidants for preventing O2- radical-mediated disorders. Abbreviations: O2-: superoxide anion; ROS: reactive oxygen species; H2O2: hydrogen peroxide; XOD: xanthine oxidase; DPPH: 1,1-diphenyl-2-picrylhydrazyl; ABTS+: 2,2'-azinobis(2-ethylbenzothiazoline-6-sulfonic acid) cation; CPZ+: chlorpromazine cation; PMS: phenazine methosulfate; NBT: nitroblue tetrazolium; PMA: phorbol 12-myristate 13-acetate.
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Affiliation(s)
- Shintaro Sugahara
- a Graduate School of Bioscience , Tokai University , Kumamoto City , Japan
| | - Akihiro Chiyo
- b School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Koki Fukuoka
- b School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Yuto Ueda
- a Graduate School of Bioscience , Tokai University , Kumamoto City , Japan
| | - Yuki Tokunaga
- c Graduate School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Youichirou Nishida
- d Research and Development Division , Aso Pharmaceutical Co., Ltd , Kumamoto , Japan
| | - Hideki Kinoshita
- b School of Agriculture , Tokai University , Kumamoto City , Japan.,c Graduate School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Yasushi Matsuda
- b School of Agriculture , Tokai University , Kumamoto City , Japan.,c Graduate School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Keiji Igoshi
- b School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Masateru Ono
- a Graduate School of Bioscience , Tokai University , Kumamoto City , Japan.,b School of Agriculture , Tokai University , Kumamoto City , Japan.,c Graduate School of Agriculture , Tokai University , Kumamoto City , Japan
| | - Shin Yasuda
- a Graduate School of Bioscience , Tokai University , Kumamoto City , Japan.,b School of Agriculture , Tokai University , Kumamoto City , Japan.,c Graduate School of Agriculture , Tokai University , Kumamoto City , Japan
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Sztanke M, Kandefer-Szerszeń M, Sztanke K. Biologically and chemically important hydrazino-containing imidazolines as antioxidant agents. Free Radic Res 2018; 52:685-697. [PMID: 29642746 DOI: 10.1080/10715762.2018.1464655] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Biologically and chemically useful hydrazinoimidazolines were evaluated as antioxidant and antihaemolytic agents. 1,1-Diphenyl-2-picrylhydrazyl radical (DPPH•), galvinoxyl radical (GOR), nitric oxide (NO) and hydrogen peroxide (H2O2) scavenging assays, ferric ions reducing power assay, and ex vivo model of rat erythrocytes exposed to 2,2'-azobis(2-methylpropionamidine)dihydrochloride (AAPH) or H2O2 were used. The most potent DPPH• scavengers proved to be hydrazinoimidazolines 3, 2, and 4, revealing excellent antiradical effects - superior or comparable to that of all antioxidant standards used. Moreover, these molecules showed strong NO neutralising potencies - better to that of ascorbic acid (AA) (3), 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox) (3 and 2), butylated hydroxytoluene (BHT) (3 and 2), and butylated hydroxyanisole (BHA) (3, 2, and 4). Compound 4 was also effective in GOR scavenging. The excellent scavenger of GOR, NO, and H2O2 proved to be structure 5, with the potency superior or comparable to the majority of antioxidant standards used. In turn, compound 9 was effective in H2O2 and GOR neutralisation. All hydrazinoimidazolines revealed the reducing power that is higher than BHT. Moreover, the protective effects of most test compounds on oxidatively stressed erythrocytes were observed. Some structure-activity relationships were disclosed. A significance of the primary hydrazino group on antioxidant effects was confirmed. The most likely DPPH• and GOR scavenging mechanisms for test compounds were propound. Among all the investigated molecules, hydrazinoimidazolines 5, 3, 2, 4, and 9, due to their excellent or good antiradical activities, can represent promising antioxidant candidates with prospective utility for prevention of diseases related to reactive oxygen/nitrogen species.
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Affiliation(s)
- Małgorzata Sztanke
- a Chair and Department of Medical Chemistry , Medical University , Lublin , Poland
| | | | - Krzysztof Sztanke
- c Laboratory of Bioorganic Synthesis and Analysis, Department of Medical Chemistry , Medical University , Lublin , Poland
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Ljubić I, Kivimäki A, Coreno M, Kazazić S, Novak I. Characterisation of the electronic structure of galvinoxyl free radical by variable energy UPS, XPS and NEXAFS spectroscopy. Phys Chem Chem Phys 2018; 20:2480-2491. [DOI: 10.1039/c7cp07266j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
UPS, XPS and NEXAFS spectra of persistent free radical galvinoxyl are assigned using theoretical ΔDFT and TDDFT methods.
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Affiliation(s)
- Ivan Ljubić
- Department of Physical Chemistry
- Ruđer Bošković Institute
- HR-10000 Zagreb
- Croatia
| | | | | | - Saša Kazazić
- Department of Physical Chemistry
- Ruđer Bošković Institute
- HR-10000 Zagreb
- Croatia
| | - Igor Novak
- Charles Sturt University
- Orange NSW 2800
- Australia
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26
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Stepwise sequential analysis of stable multiradicals formation in polyphenolic myricetin active OH groups throughout the antioxidant process to scavenge free radicals. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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27
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Niki E. Antioxidant capacity of foods for scavenging reactive oxidants and inhibition of plasma lipid oxidation induced by multiple oxidants. Food Funct 2016; 7:2156-68. [PMID: 27090496 DOI: 10.1039/c6fo00275g] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Unregulated oxidation of biological molecules induced by multiple oxidants has been implicated in the pathogenesis of various diseases. Consequently, the effects of antioxidants contained in foods, beverages and supplements on the maintenance of health and prevention of diseases have attracted much attention of the public as well as scientists. However, recent human studies have shown inconsistent results and failed to demonstrate the beneficial effects of antioxidants. The mechanisms and dynamics of antioxidant action and assessment of antioxidant capacity have been the subject of extensive studies and arguments. In the present article, the antioxidant capacity has been reviewed focusing on two main issues: the capacity of antioxidants to scavenge multiple reactive oxidants and to inhibit plasma lipid oxidation induced by different biological oxidants. It is emphasized that the capacity of antioxidants to scavenge reactive oxidants does not always correlate linearly with the capacity to inhibit lipid oxidation and that it is necessary to specify the oxidant to assess the efficacy of antioxidants, since multiple oxidants contribute to oxidative damage in vivo and the effects of antioxidants depend on the nature of oxidants. A convenient and rapid method using a microplate reader is discussed for assessing the antioxidant capacity against plasma lipid oxidation induced by multiple oxidants including peroxyl radicals, peroxynitrite, hypochlorite, 15-lipoxygenase, and singlet oxygen.
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Affiliation(s)
- Etsuo Niki
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
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28
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Sugahara S, Ueda Y, Fukuhara K, Kamamuta Y, Matsuda Y, Murata T, Kuroda Y, Kabata K, Ono M, Igoshi K, Yasuda S. Antioxidant Effects of Herbal Tea Leaves from Yacon (Smallanthus sonchifolius) on Multiple Free Radical and Reducing Power Assays, Especially on Different Superoxide Anion Radical Generation Systems. J Food Sci 2015; 80:C2420-9. [PMID: 26457985 DOI: 10.1111/1750-3841.13092] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Accepted: 08/24/2015] [Indexed: 11/27/2022]
Abstract
UNLABELLED Yacon (Smallanthus sonchifolius), a native Andean plant, has been cultivated as a crop and locally used as a traditional folk medicine for the people suffering from diabetes and digestive/renal disorders. However, the medicinal properties of this plant and its processed foods have not been completely established. This study investigates the potent antioxidative effects of herbal tea leaves from yacon in different free radical models and a ferric reducing model. A hot-water extract exhibited the highest yield of total polyphenol and scavenging effect on 1,1-diphenyl-2-picryl hydrazyl (DPPH) radical among four extracts prepared with hot water, methanol, ethanol, and ethylacetate. In addition, a higher reducing power of the hot-water extract was similarly demonstrated among these extracts. Varying concentrations of the hot-water extract resulted in different scavenging activities in four synthetic free radical models: DPPH radical (EC50 28.1 μg/mL), 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) cation radical (EC50 23.7 μg/mL), galvinoxyl radical (EC50 3.06 μg/mL), and chlorpromazine cation radical (EC50 475 μg/mL). The yacon tea-leaf extract further demonstrated superoxide anion (O2(-)) radical scavenging effects in the phenazine methosulfate-NADH-nitroblue tetrazolium (EC50 64.5 μg/mL) and xanthine oxidase assay systems (EC50 20.7 μg/mL). Subsequently, incubating human neutrophilic cells in the presence of the tea-leaf extract could suppress the cellular O2(-) radical generation (IC50 65.7 μg/mL) in a phorbol 12-myristate 13-acetate-activated cell model. These results support yacon tea leaves may be a good source of natural antioxidants for preventing O2(-) radical-mediated disorders. PRACTICAL APPLICATION Yacon has been considered to be a potent alternative food source for patients who require a dietary cure in regional area, while the leaf part has been provided and consumed as an herbal tea in local markets. We demonstrated here potent antioxidative effects of the tea leaves from yacon in different free radical assays, reducing power assay, and cellular superoxide anion radical generation assay. Results support yacon tea leaves may be a good source of natural antioxidants for preventing O2(-) radical-mediated disorders.
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Affiliation(s)
- Shintaro Sugahara
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Yuto Ueda
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Kumiko Fukuhara
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Yuki Kamamuta
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Yasushi Matsuda
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Tatsuro Murata
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Yasuhiro Kuroda
- School of Engineering, Tokai Univ, 4-1-1 Kita-Kaname, Hiratsuka, Kanagawa, 259-1292, Japan
| | - Kiyotaka Kabata
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Masateru Ono
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Keiji Igoshi
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
| | - Shin Yasuda
- School of Agriculture, Tokai Univ, Kawayo, Minamiaso, Aso, Kumamoto, 869-1404, Japan
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Morita M, Naito Y, Yoshikawa T, Niki E. Assessment of radical scavenging capacity of antioxidants contained in foods and beverages in plasma solution. Food Funct 2015; 6:1591-9. [DOI: 10.1039/c5fo00167f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amount and rate of scavenging radical by antioxidants contained in foods and beverages are assessed in plasma solution.
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Affiliation(s)
- Mayuko Morita
- Department of Molecular Gastroenterology and Hepatology
- Kyoto Prefectural University of Medicine
- Kyoto 602-8566
- Japan
- Department of Gastrointestinal Immunology
| | - Yuji Naito
- Department of Molecular Gastroenterology and Hepatology
- Kyoto Prefectural University of Medicine
- Kyoto 602-8566
- Japan
| | - Toshikazu Yoshikawa
- Department of Gastrointestinal Immunology
- Kyoto Prefectural University of Medicine
- Kyoto 602-8566
- Japan
| | - Etsuo Niki
- Department of Molecular Gastroenterology and Hepatology
- Kyoto Prefectural University of Medicine
- Kyoto 602-8566
- Japan
- National Institute of Advanced Industrial Science & Technology
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Tai A, Fukunaga K, Ohno A, Ito H. Antioxidative properties of ascorbigen in using multiple antioxidant assays. Biosci Biotechnol Biochem 2014; 78:1723-30. [PMID: 25273138 DOI: 10.1080/09168451.2014.932668] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The antioxidative properties of ascorbigen, one of the major indole-derived compounds of Brassica vegetables, were systematically evaluated using multiple assay systems with comparison to the well-known antioxidants ascorbic acid and Trolox. We first performed assays using model radicals, DPPH radical, galvinoxyl radical, and ABTS radical cation (ABTS(•+)). Ascorbigen showed stronger activity than that of ascorbic acid in the ABTS(•+)-scavenging assay but showed no activity in the DPPH radical- and galvinoxyl radical-scavenging assays. In the ABTS(•+)-scavenging assay, the indole moiety of ascorbigen contributed to scavenging of the radicals to produce indole-3-aldehyde as one of the final reaction products. The activity of ascorbigen was then evaluated by an oxygen radical absorbance capacity assay and an oxidative hemolysis inhibition assay using physiologically relevant peroxyl radicals, AAPH-derived radicals. Ascorbigen showed much stronger antioxidant activity than did ascorbic acid and Trolox. Therefore, antioxidant activity of ascorbigen might be more beneficial than has been thought for daily health care.
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Affiliation(s)
- Akihiro Tai
- a Faculty of Life and Environmental Sciences , Prefectural University of Hiroshima , Shobara , Japan
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Antioxidative Properties of Vanillic Acid Esters in Multiple Antioxidant Assays. Biosci Biotechnol Biochem 2014; 76:314-8. [DOI: 10.1271/bbb.110700] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Lombardo E, Sabellico C, Hájek J, Staňková V, Filipský T, Balducci V, De Vito P, Leone S, Bavavea EI, Silvestri IP, Righi G, Luly P, Saso L, Bovicelli P, Pedersen JZ, Incerpi S. Protection of cells against oxidative stress by nanomolar levels of hydroxyflavones indicates a new type of intracellular antioxidant mechanism. PLoS One 2013; 8:e60796. [PMID: 23637768 PMCID: PMC3630532 DOI: 10.1371/journal.pone.0060796] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2012] [Accepted: 03/03/2013] [Indexed: 11/25/2022] Open
Abstract
Natural polyphenol compounds are often good antioxidants, but they also cause damage to cells through more or less specific interactions with proteins. To distinguish antioxidant activity from cytotoxic effects we have tested four structurally related hydroxyflavones (baicalein, mosloflavone, negletein, and 5,6-dihydroxyflavone) at very low and physiologically relevant levels, using two different cell lines, L-6 myoblasts and THP-1 monocytes. Measurements using intracellular fluorescent probes and electron paramagnetic resonance spectroscopy in combination with cytotoxicity assays showed strong antioxidant activities for baicalein and 5,6-dihydroxyflavone at picomolar concentrations, while 10 nM partially protected monocytes against the strong oxidative stress induced by 200 µM cumene hydroperoxide. Wide range dose-dependence curves were introduced to characterize and distinguish the mechanism and targets of different flavone antioxidants, and identify cytotoxic effects which only became detectable at micromolar concentrations. Analysis of these dose-dependence curves made it possible to exclude a protein-mediated antioxidant response, as well as a mechanism based on the simple stoichiometric scavenging of radicals. The results demonstrate that these flavones do not act on the same radicals as the flavonol quercetin. Considering the normal concentrations of all the endogenous antioxidants in cells, the addition of picomolar or nanomolar levels of these flavones should not be expected to produce any detectable increase in the total cellular antioxidant capacity. The significant intracellular antioxidant activity observed with 1 pM baicalein means that it must be scavenging radicals that for some reason are not eliminated by the endogenous antioxidants. The strong antioxidant effects found suggest these flavones, as well as quercetin and similar polyphenolic antioxidants, at physiologically relevant concentrations act as redox mediators to enable endogenous antioxidants to reach and scavenge different pools of otherwise inaccessible radicals.
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Affiliation(s)
| | | | - Jan Hájek
- Department of Biochemical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Prague, Czech Republic
| | - Veronika Staňková
- Department of Biochemical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Prague, Czech Republic
| | - Tomáš Filipský
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Prague, Czech Republic
| | | | - Paolo De Vito
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Stefano Leone
- Department of Sciences, University Roma Tre, Rome, Italy
| | - Eugenia I. Bavavea
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Athens, Greece
| | | | - Giuliana Righi
- Institute of Biomolecular Chemistry, National Research Council (CNR), Rome, Italy
| | - Paolo Luly
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, Rome, Italy
| | - Paolo Bovicelli
- Institute of Biomolecular Chemistry, National Research Council (CNR), Rome, Italy
| | - Jens Z. Pedersen
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Sandra Incerpi
- Department of Sciences, University Roma Tre, Rome, Italy
- * E-mail:
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Burcham PC, Raso A, Kaminskas LM. Chaperone heat shock protein 90 mobilization and hydralazine cytoprotection against acrolein-induced carbonyl stress. Mol Pharmacol 2012; 82:876-86. [PMID: 22869587 DOI: 10.1124/mol.112.078956] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Toxic carbonyls such as acrolein participate in many degenerative diseases. Although the nucleophilic vasodilatory drug hydralazine readily traps such species under "test-tube" conditions, whether these reactions adequately explain its efficacy in animal models of carbonyl-mediated disease is uncertain. We have previously shown that hydralazine attacks carbonyl-adducted proteins in an "adduct-trapping" reaction that appears to take precedence over direct "carbonyl-sequestering" reactions, but how this reaction conferred cytoprotection was unclear. This study explored the possibility that by increasing the bulkiness of acrolein-adducted proteins, adduct-trapping might alter the redistribution of chaperones to damaged cytoskeletal proteins that are known targets for acrolein. Using A549 lung adenocarcinoma cells, the levels of chaperones heat shock protein (Hsp) 40, Hsp70, Hsp90, and Hsp110 were measured in intermediate filament extracts prepared after a 3-h exposure to acrolein. Exposure to acrolein alone modestly increased the levels of all four chaperones. Coexposure to hydralazine (10-100 μM) strongly suppressed cell ATP loss while producing strong adduct-trapping in intermediate filaments. Most strikingly, hydralazine selectively boosted the levels of cytoskeletal-associated Hsp90, including a high-mass species that was sensitive to the Hsp90 inhibitor 17-N-allylamino-17-demethoxygeldanamycin. Biochemical fractionation of acrolein- and hydralazine-treated cells revealed that hydralazine likely promoted Hsp90 migration from cytosol into other subcellular compartments. A role for Hsp90 mobilization in cytoprotection was confirmed by the finding that brief heat shock treatment suppressed acute acrolein toxicity in A549 cells. Taken together, these findings suggest that by increasing the steric bulk of carbonyl-adducted proteins, adduct-trapping drugs trigger the intracellular mobilization of the key molecular chaperone Hsp90.
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Affiliation(s)
- Philip C Burcham
- Pharmacology, Pharmacy and Anaesthesiology Unit, School of Medicine and Pharmacology, University of Western Australia, Nedlands, Australia.
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Hashim NM, Rahmani M, Ee GCL, Sukari MA, Yahayu M, Amin MAM, Ali AM, Go R. Antioxidant, antimicrobial and tyrosinase inhibitory activities of xanthones isolated from Artocarpus obtusus F.M. Jarrett. Molecules 2012; 17:6071-82. [PMID: 22614861 PMCID: PMC6268949 DOI: 10.3390/molecules17056071] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Revised: 04/17/2012] [Accepted: 04/20/2012] [Indexed: 11/16/2022] Open
Abstract
One of the most promising plants in biological screening test results of thirteen Artocarpus species was Artocarpus obtusus FM Jarrett and detailed phytochemical investigation of powdered dried bark of the plant has led to the isolation and identification of three xanthones; pyranocycloartobiloxanthone A (1), dihydroartoindonesianin C (2) and pyranocycloartobiloxanthone B (3). These compounds were screened for antioxidant, antimicrobial and tyrosinase inhibitory activities. Pyranocycloartobiloxanthone A (1) exhibited a strong free radical scavenger towards DPPH free radicals with IC50 value of 2 µg/mL with prominent discoloration observed in comparison with standard ascorbic acid, α-tocopherol and quercetin, The compound also exhibited antibacterial activity against methicillin resistant Staphylococcus aureus (ATCC3359) and Bacillus subtilis (clinically isolated) with inhibition zone of 20 and 12 mm, respectively. However the other two xanthones were found to be inactive. For the tyrosinase inhibitory activity, again compound (1) displayed strong activity comparable with the standard kojic acid.
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Affiliation(s)
- Najihah Mohd. Hashim
- Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
- Department of Pharmacy, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Mawardi Rahmani
- Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +603-8946-6794; Fax: +603-8943-5380
| | | | - Mohd Aspollah Sukari
- Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Maizatulakmal Yahayu
- Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | | | - Abd Manaf Ali
- Faculty of Agriculture and Biotechnology, Universiti Sultan Zainal Abidin, 20400 Kuala Terengganu, Malaysia
| | - Rusea Go
- Department of Biology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
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36
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Takashima M, Shichiri M, Hagihara Y, Yoshida Y, Niki E. Reactivity toward oxygen radicals and antioxidant action of thiol compounds. Biofactors 2012; 38:240-8. [PMID: 22488889 DOI: 10.1002/biof.1014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Accepted: 03/08/2012] [Indexed: 01/15/2023]
Abstract
Thiol compounds exert diverse functions in the defense network against oxidative stress in vivo. Above all, the role of glutathione in the enzymatic removal of hydrogen peroxide and lipid hydroperoxides has been well established. The scavenging of reactive free radicals is one of the many functions. In this study, the reactivities of several thiol compounds toward oxygen- and nitrogen-centered radicals were measured from their reaction with galvinoxyl and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals and also from their sparing effects on the decay of fluorescein, pyrogallol red, and BODIPY induced by peroxyl radicals. Furthermore, the antioxidant capacity against lipid peroxidation was assessed in the oxidation of methyl linoleate induced by free radicals in micelle systems. Cysteine, homocysteine, and glutathione exhibited considerable reactivity toward galvinoxyl, DPPH, and peroxyl radicals in this order but methionine did not. Bovine serum albumin (BSA) was less reactive toward these radicals than cysteine on molar base. Cysteine, homocysteine, and glutathione suppressed the oxidation of methyl linoleate in micelle systems, but methionine did not. The reactivity toward free radicals and antioxidant capacity of these thiol compounds were less than that of ascorbic acid, but higher than that of uric acid.
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Affiliation(s)
- Mizuki Takashima
- Health Research Institute, National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka, Japan
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Barzegar A, Moosavi-Movahedi AA. Intracellular ROS protection efficiency and free radical-scavenging activity of curcumin. PLoS One 2011; 6:e26012. [PMID: 22016801 PMCID: PMC3189944 DOI: 10.1371/journal.pone.0026012] [Citation(s) in RCA: 223] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Accepted: 09/15/2011] [Indexed: 11/29/2022] Open
Abstract
Curcumin has many pharmaceutical applications, many of which arise from its potent antioxidant properties. The present research examined the antioxidant activities of curcumin in polar solvents by a comparative study using ESR, reduction of ferric iron in aqueous medium and intracellular ROS/toxicity assays. ESR data indicated that the steric hindrance among adjacent big size groups within a galvinoxyl molecule limited the curcumin to scavenge galvinoxyl radicals effectively, while curcumin showed a powerful capacity for scavenging intracellular smaller oxidative molecules such as H2O2, HO•, ROO•. Cell viability and ROS assays demonstrated that curcumin was able to penetrate into the polar medium inside the cells and to protect them against the highly toxic and lethal effects of cumene hydroperoxide. Curcumin also showed good electron-transfer capability, with greater activity than trolox in aqueous solution. Curcumin can readily transfer electron or easily donate H-atom from two phenolic sites to scavenge free radicals. The excellent electron transfer capability of curcumin is because of its unique structure and different functional groups, including a β-diketone and several π electrons that have the capacity to conjugate between two phenyl rings. Therfore, since curcumin is inherently a lipophilic compound, because of its superb intracellular ROS scavenging activity, it can be used as an effective antioxidant for ROS protection within the polar cytoplasm.
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Affiliation(s)
- Abolfazl Barzegar
- Research Institute for Fundamental Sciences (RIFS), University of Tabriz, Tabriz, Iran.
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38
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The mechanism of antioxidant activity of IRFI005 as a synthetic hydrophilic analogue of vitamin E. Biochimie 2011; 93:1880-8. [DOI: 10.1016/j.biochi.2011.07.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Accepted: 07/13/2011] [Indexed: 11/19/2022]
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39
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Evaluation of antioxidant activity of vanillin by using multiple antioxidant assays. Biochim Biophys Acta Gen Subj 2011; 1810:170-7. [DOI: 10.1016/j.bbagen.2010.11.004] [Citation(s) in RCA: 184] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2010] [Revised: 11/10/2010] [Accepted: 11/12/2010] [Indexed: 12/28/2022]
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40
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Bak I, Lekli I, Juhasz B, Varga E, Varga B, Gesztelyi R, Szendrei L, Tosaki A. Isolation and analysis of bioactive constituents of sour cherry (Prunus cerasus) seed kernel: an emerging functional food. J Med Food 2010; 13:905-10. [PMID: 20482278 DOI: 10.1089/jmf.2009.0188] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A plant-based diet reduces the risk for the development of several chronic diseases, such as ischemic heart disease or cancer due to natural compounds found in plants. Numerous cereals, berries, fruits, and vegetables, including sour cherry (Prunus cerasus), which is a favored fruit worldwide, contain biological active components. The antioxidant components of the sour cherry seed kernel have not been investigated until now. The aim of our study was to isolate and analyze the bioactive constituents of sour cherry seed kernel. We separated the oil fraction of the kernel; then the remaining solid fraction was dried, and the oil-free kernel extract was further analyzed. Our results show that sour cherry seed kernel oil contains vegetable oils including unsaturated fatty acids, oleic acids, alpha-tocopherol, tocotrienols, and tocopherol-like components. The components of the solid fraction include various bioactive structures such as polyphenols, flavonoids, vegetable acids, and pro- and anthocyanidins, which could have useful therapeutic effects in the prevention of various vascular diseases.
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Affiliation(s)
- Istvan Bak
- Department of Pharmacology, Faculty of Pharmacy, Medical and Health Science Center, University of Debrecen, Debrecen, Hungary
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MacLean PD, Chapman EE, Dobrowolski SL, Thompson A, Barclay LRC. Pyrroles As Antioxidants: Solvent Effects and the Nature of the Attacking Radical on Antioxidant Activities and Mechanisms of Pyrroles, Dipyrrinones, and Bile Pigments. J Org Chem 2008; 73:6623-35. [DOI: 10.1021/jo8005073] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Patricia D. MacLean
- Department of Chemistry, Mount Allison University, Sackville, New Brunswick, Canada E4L 1G8, and Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J3
| | - Erin E. Chapman
- Department of Chemistry, Mount Allison University, Sackville, New Brunswick, Canada E4L 1G8, and Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J3
| | - Sarah L. Dobrowolski
- Department of Chemistry, Mount Allison University, Sackville, New Brunswick, Canada E4L 1G8, and Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J3
| | - Alison Thompson
- Department of Chemistry, Mount Allison University, Sackville, New Brunswick, Canada E4L 1G8, and Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J3
| | - L. Ross C. Barclay
- Department of Chemistry, Mount Allison University, Sackville, New Brunswick, Canada E4L 1G8, and Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada, B3H 4J3
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Pedersen JZ, Oliveira C, Incerpi S, Kumar V, Fiore AM, De Vito P, Prasad AK, Malhotra SV, Parmar VS, Saso L. Antioxidant activity of 4-methylcoumarins. J Pharm Pharmacol 2008; 59:1721-8. [PMID: 18053335 DOI: 10.1211/jpp.59.12.0015] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Polyphenolic coumarins are known to act as antioxidants in biological systems, but it is difficult to distinguish their antioxidant activity from the many other effects they produce in cells. We have determined the radical scavenging capacity of 22 structurally related natural and synthetic 4-methylcoumarins, by measuring their reaction with radicals, galvinoxyl and 2,2-diphenyl-1-picrylhydrazyl, using electron paramagnetic resonance spectroscopy. Efficient antioxidant activity of 4-methylcoumarins in cells was verified using the DCF fluorescent probe assay for determination of intracellular reactive oxygen species levels. As expected, the o-dihydroxysubstituted coumarins were found to be excellent radical scavengers and better than the m-dihydroxysubstituted or monohydroxysubstituted analogues, but surprisingly the corresponding o-diacetoxy derivatives also turned out to be good scavengers, even in the absence of an esterase. Another unexpected result was that the antioxidant efficiency of 4-methylcoumarins could be modulated by introducing an ethoxycarbonylethyl substituent at the C-3 position; this effect cannot be explained by simple electron donating/withdrawing properties. Coumarin concentrations of 10 microM or less were used in all experiments, corresponding to the levels relevant for therapeutic purposes. Considering that 4-methylcoumarins, in contrast to many other coumarins, are not metabolized to toxic epoxide intermediates, these results indicate promising new strategies for the design of non-toxic antioxidant coumarin-based drugs.
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Affiliation(s)
- Jens Z Pedersen
- Department of Biology, University of Rome Tor Vergata, Italy.
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43
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Takebayashi J, Tai A, Gohda E, Yamamoto I. Characterization of the Radical-Scavenging Reaction of 2-O-Substituted Ascorbic Acid Derivatives, AA-2G, AA-2P, and AA-2S: A Kinetic and Stoichiometric Study. Biol Pharm Bull 2006; 29:766-71. [PMID: 16595915 DOI: 10.1248/bpb.29.766] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The aim of this study was to characterize the antioxidant activity of three ascorbic acid (AA) derivatives O-substituted at the C-2 position of AA: ascorbic acid 2-glucoside (AA-2G), ascorbic acid 2-phosphate (AA-2P), and ascorbic acid 2-sulfate (AA-2S). The radical-scavenging activities of these AA derivatives and some common low molecular-weight antioxidants such as uric acid or glutathione against 1,1-diphenyl-picrylhydrazyl (DPPH) radical, 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS+), or galvinoxyl radical were kinetically and stoichiometrically evaluated under pH-controlled conditions. Those AA derivatives slowly and continuously reacted with DPPH radical and ABTS+, but not with galvinoxyl radical. They effectively reacted with DPPH radical under acidic conditions and with ABTS+ under neutral conditions. In contrast, AA immediately quenched all species of radicals tested at all pH values investigated. The reactivity of Trolox, a water-soluble vitamin E analogue, was comparable to that of AA in terms of kinetics and stoichiometrics. Uric acid and glutathione exhibited long-lasting radical-scavenging activity against these radicals under certain pH conditions. The radical-scavenging profiles of AA derivatives were closer to those of uric acid and glutathione rather than to that of AA. The number of radicals scavenged by one molecule of AA derivatives, uric acid, or glutathione was equal to or greater than that by AA or Trolox under the appropriate conditions. These data suggest the potential usage of AA derivatives as radical scavengers.
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Affiliation(s)
- Jun Takebayashi
- Department of Immunochemistry, Faculty of Pharmaceutical Sciences, Okayama University, Japan
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Graf BA, Mullen W, Caldwell ST, Hartley RC, Duthie GG, Lean MEJ, Crozier A, Edwards CA. DISPOSITION AND METABOLISM OF [2-14C]QUERCETIN-4′-GLUCOSIDE IN RATS. Drug Metab Dispos 2005; 33:1036-43. [PMID: 15833931 DOI: 10.1124/dmd.104.002691] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Quercetin-4'-glucoside is a major flavonol in onions, and this study investigated the absorption and fate of radiolabeled quercetin-4'-glucoside in rats. Rats ingested [2-(14)C]quercetin-4'-glucoside and the distribution of radioactivity throughout the body was determined after 0.5, 1, 2, and 5 h. The gastrointestinal tract, liver, kidney, and plasma were extracted, and radiolabeled components were identified and quantified using high-performance liquid chromatography with on-line radioactivity detection and tandem mass spectrometry. Two hours after dosing, all the [2-(14)C]quercetin-4'-glucoside had been metabolized. More than 85% of the ingested radioactivity was present in the gastrointestinal tract at all time points with approximately 6% being absorbed and present in blood and internal organs, primarily the liver and kidneys. More than 95% of the absorbed radioactivity was in the form of >20 different methylated glucuronated and/or sulfated quercetin conjugates. Five hours after ingestion, the main radiolabeled metabolites were quercetin diglucuronides in the gut, liver, and kidneys and glucuronyl sulfates of methylated quercetin in plasma. The main site of quercetin metabolism seemed to be the gastrointestinal tract. Quercetin metabolites may have a major influence on the gut mucosal epithelium and on colonic disease.
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Affiliation(s)
- Brigitte A Graf
- Plant Products and Human Nutrition Group, Division of Developmental Medicine, University of Glasgow, Glasgow G3 8SJ, UK
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Shimakawa S, Yoshida Y, Niki E. Antioxidant action of a lipophilic nitroxyl radical, cyclohexane-1-spiro-2'-(4'-oxyimidazolidine-1'-oxyl) -5'-spiro-1"-cyclohexane, against lipid peroxidation under hypoxic conditions. Lipids 2003; 38:225-31. [PMID: 12784862 DOI: 10.1007/s11745-003-1055-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nitroxyl radicals are known to act as radical scavenging antioxidants. In the present study, a lipophilic nitroxyl radical, cyclohexane-1-spiro-2'-(4'-oxyimidazolidine-1'-oxyl)-5'-spiro-1"-cyclohexane (nitroxyl radical I) was synthesized and its antioxidant capacity was assessed in comparison with a hydrophilic nitroxyl radical, 4-hydroxy-2,2,6,6-tetra-methylpiperidine-N-oxyl (Tempol). Both nitroxyl radical I and Tempol inhibited methyl linoleate oxidation induced by free radicals, and the efficacy increased with decreasing partial pressure of oxygen, the effect being more pronounced for nitroxyl radical I than Tempol. Their hydroxylamines inhibited lipid peroxidation more effectively than their corresponding parent nitroxyl radicals. In liposomal membranes, a synergistic effect was observed in the combination of nitroxyl radical I with ascorbic acid, whereas only an additive effect was observed between Tempol and ascorbic acid. The present study suggests that nitroxyl radical I and its hydroxylamine may act as potent antioxidants, especially in combination with ascorbic acid under hypoxic conditions.
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Affiliation(s)
- Shuichi Shimakawa
- Human Stress Signal Research Center (HSSRC), National Institute of Advanced Industrial Science and Technology (AIST), Japan, Midorigaoka, Ikeda, Osaka 563-8577, Japan
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