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Gautam A, Sharma P, Ashokhan S, Yaacob JS, Kumar V, Guleria P. Inhibitory impact of MgO nanoparticles on oxidative stress and other physiological attributes of spinach plant grown under field condition. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:1897-1913. [PMID: 38222280 PMCID: PMC10784442 DOI: 10.1007/s12298-023-01391-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 11/04/2023] [Accepted: 11/14/2023] [Indexed: 01/16/2024]
Abstract
Green synthesis of NPs is preferred due to its eco-friendly procedures and non-toxic end products. However, unintentional release of NPs can lead to environmental pollution affecting living organisms including plants. NPs accumulation in soil can affect the agricultural sustainability and crop production. In this context, we report the morphological and biochemical response of spinach nanoprimed with MgO-NPs at concentrations, 10, 50, 100, and 150 µg/ml. Nanopriming reduced the spinach root length by 14-26%, as a result a reduction of 20-74% in the length of spinach shoots was observed. The decreased spinach shoot length inhibited the chlorophyll accumulation by 21-55%, thus reducing the accumulation of carbohydrates and yield by 46 and 49%, respectively. The reduced utilization of the total absorbed light further enhanced ROS generation and oxidative stress by 32%, thus significantly altering their antioxidant system. Additionally, a significant variation in the accumulation of flavonoid pathway downstream metabolites myricitin, rutin, kaempferol-3 glycoside, and quercitin was also revealed on MgO-NPs nanopriming. Additionally, NPs enhanced the protein levels of spinach probably as an osmoprotectant to regulate the oxidative stress. However, increased protein precipitable tannins and enhanced oxidative stress reduced the protein digestibility and solubility. Overall, MgO-NPs mediated oxidative stress negatively affected the growth, development, and yield of spinach in fields in a concentration dependent manner. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-023-01391-9.
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Affiliation(s)
- Ayushi Gautam
- Plant Biotechnology & Genetic Engineering Lab, Department of Biotechnology, DAV University, Jalandhar, Punjab 144012 India
| | - Priya Sharma
- Plant Biotechnology & Genetic Engineering Lab, Department of Biotechnology, DAV University, Jalandhar, Punjab 144012 India
| | - Sharmilla Ashokhan
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Jamilah Syafawati Yaacob
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
- Centre for Research in Biotechnology for Agriculture (CEBAR), Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Vineet Kumar
- Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab 144111 India
| | - Praveen Guleria
- Plant Biotechnology & Genetic Engineering Lab, Department of Biotechnology, DAV University, Jalandhar, Punjab 144012 India
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Lee SH, Song SY, Choi JH, Kim S, Lee HJ, Park JW, Park DH, Bae CS, Cho SS. Partial Purification and Biochemical Evaluation of Protease Fraction (MA-1) from Mycoleptodonoides aitchisonii and Its Fibrinolytic Effect. Antioxidants (Basel) 2023; 12:1558. [PMID: 37627553 PMCID: PMC10451839 DOI: 10.3390/antiox12081558] [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: 06/22/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/27/2023] Open
Abstract
The antioxidative proteolytic fraction, MA-1, was partially purified from Mycoleptodonoides aitchisonii. MA-1 was purified to homogeneity using a two-step procedure, which resulted in an 89-fold increase in specific activity and 42.5% recovery. SDS-PAGE revealed two proteins with a molecular weight of 48 kDa. The zymography results revealed proteolytic activity based on the MA-1 band. MA-1 was found to be stable in the presence of Na+, Ca2+, Fe3+, K+, and Mg2+. MA-1 was also stable in methanol, ethanol, and acetone, and its enzyme activity increased by 15% in SDS. MA-1 was inhibited by ethylenediaminetetra-acetic acid or ethylene glycol tetraacetic acid and exerted the highest specificity for the substrate, MeO-Suc-Arg-Pro-Tyr-pNA, for chymotrypsin. Accordingly, MA-1 belongs to the family of chymotrypsin-like metalloproteins. The optimum temperature was 40 °C and stability was stable in the range of 20 to 35 °C. The optimum pH and stability were pH 5.5 and pH 4-11. MA-1 exhibited stronger fibrinolytic activity than plasmin. MA-1 hydrolyzed the Aα, Bβ, and γ chains of fibrinogen within 2 h. MA-1 exhibited an antithrombotic effect in animal models. MA-1 was devoid of hemorrhagic activity at a dose of 80,000 U/kg. Overall, our results show that M. aitchisonii produces an acid-tolerant and antioxidative chymotrypsin-like fibrinolytic enzyme, and M. aitchisonii containing MA-1 could be a beneficial functional material for the prevention of cardiovascular diseases and possible complications.
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Affiliation(s)
- Sung-Ho Lee
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea; (S.-H.L.); (S.-Y.S.); (J.W.P.)
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Mokpo 58554, Republic of Korea
| | - Seung-Yub Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea; (S.-H.L.); (S.-Y.S.); (J.W.P.)
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Mokpo 58554, Republic of Korea
| | - Jun-Hui Choi
- Department of Food Science and Biotechnology, Gwangju University, Gwangju 61743, Republic of Korea; (J.-H.C.); (S.K.); (H.-J.L.)
| | - Seung Kim
- Department of Food Science and Biotechnology, Gwangju University, Gwangju 61743, Republic of Korea; (J.-H.C.); (S.K.); (H.-J.L.)
| | - Hyo-Jeong Lee
- Department of Food Science and Biotechnology, Gwangju University, Gwangju 61743, Republic of Korea; (J.-H.C.); (S.K.); (H.-J.L.)
| | - Jin Woo Park
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea; (S.-H.L.); (S.-Y.S.); (J.W.P.)
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Mokpo 58554, Republic of Korea
| | - Dae-Hun Park
- College of Oriental Medicine, Dongshin University, Naju-si 58245, Republic of Korea;
| | - Chun-Sik Bae
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan 58554, Republic of Korea; (S.-H.L.); (S.-Y.S.); (J.W.P.)
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Mokpo 58554, Republic of Korea
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Bhushan A, Rani D, Tabassum M, Kumar S, Gupta PN, Gairola S, Gupta AP, Gupta P. HPLC-PDA Method for Quantification of Bioactive Compounds in Crude Extract and Fractions of Aucklandia costus Falc. and Cytotoxicity Studies against Cancer Cells. Molecules 2023; 28:4815. [PMID: 37375368 DOI: 10.3390/molecules28124815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 06/29/2023] Open
Abstract
Aucklandia costus Falc. (Synonym: Saussurea costus (Falc.) Lipsch.) is a perennial herb of the family Asteraceae. The dried rhizome is an essential herb in the traditional systems of medicine in India, China and Tibet. The important pharmacological activities reported for Aucklandia costus are anticancer, hepatoprotective, antiulcer, antimicrobial, antiparasitic, antioxidant, anti-inflammatory and anti-fatigue activities. The objective of this study was the isolation and quantification of four marker compounds in the crude extract and different fractions of A. costus and the evaluation of the anticancer activity of the crude extract and its different fractions. The four marker compounds isolated from A. costus include dehydrocostus lactone, costunolide, syringin and 5-hydroxymethyl-2-furaldehyde. These four compounds were used as standard compounds for quantification. The chromatographic data showed good resolution and excellent linearity (r2 ˃ 0.993). The validation parameters, such as inter- and intraday precision (RSD < 1.96%) and analyte recovery (97.52-110.20%; RSD < 2.00%),revealed the high sensitivity and reliability of the developed HPLC method. The compounds dehydrocostus lactone and costunolide were concentrated in the hexane fraction (222.08 and 65.07 µg/mg, respectively) and chloroform fraction (99.02 and 30.21 µg/mg, respectively), while the n-butanol fraction is a rich source of syringin (37.91 µg/mg) and 5-hydroxymethyl-2-furaldehyde (7.94 µg/mg). Further, the SRB assay was performed for the evaluation of anticancer activity using lung, colon, breast and prostate cancer cell lines. The hexane and chloroform fractions show excellent IC50 values of 3.37 ± 0.14 and 7.527 ± 0.18 µg/mL, respectively, against the prostate cancer cell line (PC-3).
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Affiliation(s)
- Anil Bhushan
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Dixhya Rani
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Misbah Tabassum
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Saajan Kumar
- Drug Testing Laboratory, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Prem N Gupta
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Sumeet Gairola
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Plant Science and Agrotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Ajai P Gupta
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Drug Testing Laboratory, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Prasoon Gupta
- Natural Products and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Islam MA, Jeong JY, Hossain MS, Tarek H, Khan N, Jamila N, Kim KS. Analysis of Piper betle L. Leaves from Bangladesh for Polyphenolics by Ultrasonic-Assisted Extraction (UAE) and High-Performance Liquid Chromatography (HPLC) Together with the Antioxidant, Antibacterial, and Cytotoxic Activities. ANAL LETT 2023. [DOI: 10.1080/00032719.2023.2186423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Affiliation(s)
- Md Atikul Islam
- Department of Food and Nutrition, Chosun University, Gwangju, Republic of Korea
- Department of Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
| | - Ji Young Jeong
- Department of Food and Nutrition, Chosun University, Gwangju, Republic of Korea
| | - Md Selim Hossain
- Department of Biomedical Science, Chosun University, Gwangju, Republic of Korea
| | - Hasan Tarek
- Department of Pharmacy, Chosun University, Gwangju, Republic of Korea
| | - Naeem Khan
- Department of Chemistry, Kohat University of Science & Technology, Kohat, Pakistan
| | - Nargis Jamila
- Department of Chemistry, Shaheed Benazir Bhutto Women University Peshawar, Peshawar, Pakistan
| | - Kyong Su Kim
- Department of Food and Nutrition, Chosun University, Gwangju, Republic of Korea
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Chemistry and Pharmacology of Bergenin or Its Derivatives: A Promising Molecule. Biomolecules 2023; 13:biom13030403. [PMID: 36979338 PMCID: PMC10046151 DOI: 10.3390/biom13030403] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/24/2023] Open
Abstract
Bergenin is a glycosidic derivative of trihydroxybenzoic acid that was discovered in 1880 by Garreau and Machelart from the rhizomes of the medicinal plant Bergenia crassifolia (currently: Saxifraga crassifolia—Saxifragaceae), though was later isolated from several other plant sources. Since its first report, it has aroused interest because it has several pharmacological activities, mainly antioxidant and anti-inflammatory. In addition to this, bergenin has shown potential antimalarial, antileishmanial, trypanocidal, antiviral, antibacterial, antifungal, antinociceptive, antiarthritic, antiulcerogenic, antidiabetic/antiobesity, antiarrhythmic, anticancer, hepatoprotective, neuroprotective and cardioprotective activities. Thus, this review aimed to describe the sources of isolation of bergenin and its in vitro and in vivo biological and pharmacological activities. Bergenin is distributed in many plant species (at least 112 species belonging to 34 families). Both its derivatives (natural and semisynthetic) and extracts with phytochemical proof of its highest concentration are well studied, and none of the studies showed cytotoxicity for healthy cells.
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Anti-Periodontitis Effects of Dendropanax morbiferus H.Lév Leaf Extract on Ligature-Induced Periodontitis in Rats. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020849. [PMID: 36677905 PMCID: PMC9862488 DOI: 10.3390/molecules28020849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/19/2023]
Abstract
Periodontitis is caused by pathogens in the oral cavity. It is a chronic infectious disease that causes symptoms including gingival bleeding and tooth loss resulting from the destruction of periodontal tissues coupled with inflammation. Dendropanax morbiferus H.Lév (DM) is a natural product that exhibits various biological activities with few side effects. In this study, the potential of DM leaf hot-water extracts (DMWE) as a treatment for periodontitis was determined and its anti-oxidant and anti-inflammatory effects were evaluated. Compounds in DMWE were identified by high-performance liquid chromatography (HPLC) and nitric oxide (NO) and prostaglandin E2 (PGE2) production was measured in RAW 264.7 cells. We measured the gingival index and gingival sulcus depth, and micro-CT was performed in vivo using a ligature-induced periodontitis rat model, which is similar to human periodontitis. The DMWE-treated group exhibited a decrease in cytokine concentration and relieved the gingival index and gingival sulcus depth compared with the periodontitis-induced control group. In addition, micro-CT and histological analysis revealed that DMWE exhibited anti-inflammatory effects and improved alveolar bone loss in periodontitis-induced rats. These findings suggest that DMWE has excellent anti-oxidant and anti-inflammatory effects that protect and prevent periodontal tissue damage and tooth loss caused by the inflammatory response.
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da Silva L, Donato IA, Gonçalves CAC, Scherf JR, dos Santos HS, Mori E, Coutinho HDM, da Cunha FAB. Antibacterial potential of chalcones and its derivatives against Staphylococcus aureus. 3 Biotech 2023; 13:1. [PMID: 36466769 PMCID: PMC9712905 DOI: 10.1007/s13205-022-03398-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/12/2022] [Indexed: 12/02/2022] Open
Abstract
Chalcones are natural substances found in the metabolism of several botanical families. Their structure consists of 1,3-diphenyl-2-propen-1-one and they are characterized by having in their chains an α, β-unsaturated carbonyl system, two phenol rings and a three-carbon chain that unites them. In plants, Chalcones are mainly involved in the biosynthesis of flavonoids and isoflavonoids through the phenylalanine derivation. This group of substances has been shown to be a viable alternative for the investigation of its antibacterial potential, considering the numerous biological activities reported and the increase of the microbial resistance that concern global health agencies. Staphylococcus aureus is a bacterium that has stood out for its ability to adapt and develop resistance to a wide variety of drugs. This literature review aimed to highlight recent advances in the use of Chalcones and derivatives as antibacterial agents against S. aureus, focusing on research articles available on the Science Direct, Pub Med and Scopus data platforms in the period 2015-2021. It was constructed informative tables that provided an overview of which types of Chalcones are being studied more (Natural or Synthetic); its chemical name and main Synthesis Methodology. From the analysis of the data, it was observed that the compounds based on Chalcones have great potential in medicinal chemistry as antibacterial agents and that the molecular skeletons of these compounds as well as their derivatives can be easily obtained through substitutions in the A and B rings of Chalcones, in order to obtain the desired bioactivity. It was verified that Chalcones and derivatives are promising agents for combating the multidrug resistance of S. aureus to drugs. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-022-03398-7.
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Affiliation(s)
- Larissa da Silva
- Laboratory of Semi-Arid Bioprospecting (LABSEMA), Department of Biological Chemistry, URCA, Crato, CE Brazil
| | - Isydorio Alves Donato
- Laboratory of Semi-Arid Bioprospecting (LABSEMA), Department of Biological Chemistry, URCA, Crato, CE Brazil
| | | | - Jackelyne Roberta Scherf
- Graduate Program in Pharmaceutical Sciences, Federal University of Pernambuco, UFPE, Recife, PE Brazil
| | - Hélcio Silva dos Santos
- Laboratory of Chemistry of Natural and Synthetic Product, State university of Ceará, UECE, Fortaleza, CE Brazil
| | - Edna Mori
- CECAPE, College of Dentistry, Juazeiro do Norte, CE 63024-015 Brazil
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Ahmad Fauzi NS, Abd Rahim MH, Abdul Majid N, Othman R, Yaacob JS. Evaluation of the effect of jasmonic acid elicitation on composition of pigments and biological activities in green callus of neem (Azadirachta indica). FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.1017398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
This study was carried out with the aim of determining the effects of jasmonic acid (JA) elicitation on the bioactive pigments' biosynthesis and the antioxidant activities in green callus of Azadirachta indica of two different ages (4- and 8-week-old). Plant tissue culture technique was employed to induce the formation of green callus from leaf explants of A. indica on Murashige and Skoog (MS) medium supplemented with 0.6 mg/L thidiazuron (CM) and three different concentrations of JA (2, 4, and 6 mg/L). The methanolic extracts from the green callus were used for determination of total chlorophyll content (TCh), total carotenoid content (TC), total anthocyanin content (TAC), total phenolic content (TPC), and total flavonoid content (TFC) through colorimetric and HPLC analyses. The highest amount of yield was obtained from CM and 2 mg/L JA (2JA) extracts for 4- and 8-week-old samples, respectively. Phytochemical screening revealed the presence of alkaloids, flavonoids, phenols, tannins, and terpenoids in all 4- and 8-week-old samples elicited with 2, 4 and 6 mg/L JA. The highest value for TAC, TCh, TC, TPC, and TFC of 4- and 8-week-old samples were from callus cultured on media supplemented with 6 mg/L JA (6JA) and 4 mg/L JA (4JA), respectively. The lowest IC50 values were found to be 8.29 ± 0.10 mg/mL (6JA) for 4-week-old and 7.73 ± 0.03 mg/mL (4JA) for 8-week-old samples. The highest Ferric Reducing Antioxidant Power (FRAP) values obtained in this study were 90.60 ± 1.55 g/g (6JA), and 74.59 ± 3.91 g/g (4JA), respectively, for 4- and 8-week-old samples. Moreover, Pearson's correlation analysis revealed a significant correlation between TAC, TCh, TC, TPC, and TFC with ABTS and FRAP assays. In addition, PCA analysis revealed that 83.5% of the information (variances) contained in the data were retained by the first two principal components. Overall, these findings suggested that JA supplementation into the culture media significantly increase the chlorophyll, carotenoid, anthocyanin, phenolic and flavonoid contents and JA concentrations at 6 mg/L JA and 4 mg/L JA yielded the highest pigments content in 4- and 8-weeks-old callus, respectively.
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Ramanathan M, Sukumaran M, Narayanan M, Devarajan N, Chinnathambi A, Alharbi SA, Chi NTL, Saravanan M, Brindhadevi K. Larvicidal and pupicidal activity of crude ethyl acetate extract fraction-7a of Cymodocea serrulata on Culex quinquefasciatus. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Waleed Baig M, Haq IU, Tayyaba Batool Kazmi S, Zafar A. Chromatographic method development and metabolite profiling for biomass and extraction optimization of withametelin and daturaolone from D. innoxia Mill. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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A Novel Distachionate from Breynia distachia Treats Inflammations by Modulating COX-2 and Inflammatory Cytokines in Rat Liver Tissue. Molecules 2022; 27:molecules27082596. [PMID: 35458792 PMCID: PMC9027007 DOI: 10.3390/molecules27082596] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/19/2022] [Accepted: 03/21/2022] [Indexed: 02/05/2023] Open
Abstract
Breynia distachia is a plant of genus Breynia belonging to family Phyllanthaceae. This study was conducted to isolate and examine the anti-inflammatory attributes of the roots of Breynia distachia. Methanol extract from roots were prepared by simple maceration. For phytochemical studies, isolation, purification, structure elucidation, metal analysis, total phenolic content, and solubility test were done by chromatographic and spectroscopic techniques. Anti-inflammatory activity was evaluated by cotton pallet edema model and carrageenan paw edema model, and antioxidant potential was evaluated by DPPH, FRAP, and ABTS antioxidants assays. Metal analysis of BD.Me revealed the presence of Na > Mg > K > Mn > Fe = Zn in respective order. Four phytochemicals such as gallic acid, quercetin, sinapic acid, and p-coumaric acid are found in Breynia distachia. Quercetin is present in relatively larger quantity, and shows antioxidant activity by reducing the ferric iron to ferrous iron. Novel distachionate shows high antioxidant activity in ABTS assay by reducing reactive oxygen species. Quantitative or qualitative analysis performed by HPLC indicates the ascending peaks or presence of secondary products (metabolites) respectively. Histopathology analysis of liver, spleen, heart, and kidney was done, revealing mild inflammations in spleen and liver, and no cytotoxicity in heart and kidney. Oral administration of BD.Me and ditachionate significantly inhibits the carrageenan and cotton pellet-induced paw edema in 1st and 2nd h with (ns = p > 0.05) than control. After 3rd, 4th, 5th, and 6th h, BD.Me and ditachionate showed inhibition of paw edema in a highly significant (*** = p < 0.001) manner as compared to control. In cotton-pellet edema model, distachionate shows a %inhibition of 57.3% at a dose level of 5 mg/kg. Docking values obtained from distachionate-COX-2 complex suggest a potent inhibitor evaluated for this protein. The distachionate shows effective anti-inflammatory activity. Methanol extracts of roots showed significant lipoxygenase inhibitory activity by IC50 values of 155.7 ± 0.55 and 132.9 ± 0.33 μg/mL. Data from various in vitro and in vivo models suggest that novel distachionate isolated from Breynia distachia shows strong antioxidant and anti-inflammatory activities; it should be further studied for the exploration of its medicinal potential.
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Oktaviyanti ND, Setiawan F, Kartini K, Azminah A, Avanti C, Hayun H, Mun'im A. Development of a Simple and Rapid HPLC-UV Method for Ultrasound-assisted Deep Eutectic Solvent Extraction optimization of Ferulic Acid and Antioxidant Activity from Ixora javanica Flowers. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1016/j.sajce.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Tabassam Q, Mehmood T, Ahmed S, Saeed S, Raza AR, Anwar F. GC-MS Metabolomics profiling and HR-APCI-MS characterization of potential anticancer compounds and antimicrobial activities of extracts from Picrorhiza kurroa roots. J Appl Biomed 2021; 19:26-39. [PMID: 34907713 DOI: 10.32725/jab.2020.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/18/2021] [Indexed: 12/11/2022] Open
Abstract
The present study explores pharmacological potential and phytochemicals profiling of Picrorhiza kurroa extracts against mammalian cancer cell lines and pathogenic microbes. Bioactive extracts from roots of Picrorhiza kurroa were recovered in the methanol, 50% aqueous dichloromethane (50 : 50 v/v) and n-hexane. Antimicrobial activity of the bioactive extracts was assessed against selected strains of bacteria and pathogenic fungi. Aqueous dichloromethane extract showed highest zone of growth inhibition (39.06 ± 1.0 mm) towards Staphylococcus aureus bacteria while methanolic extract showed the lowest inhibition (6.3 ± 4.1 mm) to Escherichia coli bacteria. The tested extracts such as methanol and aqueous dichloromethane exhibited higher inhibition antifungal activity against Aspergillus flavus compared to Fusarium oxysporum. As far as cytotoxicity (MTT assay) of the tested extracts is concerned, n-hexane and aqueous dichloromethane extracts were found to be very active against all cancer cell lines (breast cancer MCF7, MDA-MB-231, SKBR3 and ovarian cancer SKOV3). A preliminary phytochemicals profiling was performed in extracts using GC-MS. Several fractions of active extract were separated with HPLC and analyzed using High Resolution Atmospheric Pressure Chemical Ionization Mass Spectrometry (HR-APCI-MS). Two purified compounds (Dihydromikanolide and 1,3-Dicyclohexyl-4-(cyclohexylimino)-2-(cyclohexylethylamino)-3,4-dihydro-1,3-diazetium) were further evaluated for their anticancer activity against ovarian cancer cell line. Our findings depict that all the tested extracts showed considerable anticancer potential through cell viability assays. The purified compound 1 - Dihydromikanolide from methanolic extract was found to be active against ovarian cancer cells and can be explored as a promising nutra-pharmaceutical candidate against ovarian cancer. However, further studies exploring the molecular pathways and in vivo testing are required.
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Affiliation(s)
- Qudsia Tabassam
- University of Sargodha, Institute of Chemistry, Sargodha-40100, Pakistan
| | - Tahir Mehmood
- University of Sargodha, Institute of Chemistry, Sargodha-40100, Pakistan.,University of Veterinary and Animal Sciences-UVAS, Institute of Biochemistry and Biotechnology, 54000-Lahore, Pakistan
| | - Sibtain Ahmed
- University of California San Diego, 9500 Gilman Drive La Jolla, CA 92093, USA
| | - Shagufta Saeed
- University of Veterinary and Animal Sciences-UVAS, Institute of Biochemistry and Biotechnology, 54000-Lahore, Pakistan
| | - Abdul Rauf Raza
- University of Sargodha, Institute of Chemistry, Sargodha-40100, Pakistan
| | - Farooq Anwar
- University of Sargodha, Institute of Chemistry, Sargodha-40100, Pakistan
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Development of a quantified herbal extract of hawthorn Crataegus mexicana leaves with vasodilator effect. Saudi Pharm J 2021; 29:1258-1266. [PMID: 34819787 PMCID: PMC8596289 DOI: 10.1016/j.jsps.2021.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/09/2021] [Indexed: 11/20/2022] Open
Abstract
Hawthorn (Crataegus spp.) has been used for the treatment of several heart diseases and hypertension. The studies carried out on several hawthorn species have led to the development of standardized extracts useful in the cure of mild chronic cardiac diseases. In Mexico, the most common Crataegus species are C. mexicana and C. gracilior. Decoctions prepared from the fruits and leaves of these species have been employed to the treat respiratory diseases, tachycardia and to improve coronary blood flow. Considering that to date there are no reports of the use of Mexican Crataegus species to treat cardiovascular diseases, we propose an analytical method to obtain a quantified extract of Crataegus mexicana leaves for the development of a standardized extract with therapeutic value in cardiovascular diseases as an alternative source to the extracts obtained from Crataegus species of European and Asian origin. Therefore, the aim of this study was to obtain an extract prepared from C. mexicana leaves with the highest vasodilator activity to select the optimal chemical marker to stablish and validate a reversed-phase high-performance liquid chromatography (RPHPLC-DAD) analytical method for obtaining a quantified extract with vasodilator effect. The results obtained from the analytical method validation, which was carried out according to the guidelines stablished in the Eurachem Guide and the ICH guidelines proved that the RPHPLC-DAD method we developed was specific, precise, accurate, and showed good linearity over the concentration range of 3 – 21 µg/ml for (-)-epicatechin and rutin, which were selected as chemical markers.
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15
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Standardization of Diploid Codonopsis laceolata Root Extract as an Anti-Hyperuricemic Source. Processes (Basel) 2021. [DOI: 10.3390/pr9112065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Codonopsis lanceolate exerts various medicinal effects and has been used as a traditional medicine for inflammation, asthma, gastritis, and liver disease. Recently, we reported the xanthine oxidase inhibitory activity of C. lanceolata extract and that lobetyolin, one of the key components, was a xanthine oxidase inhibitor. Lobetyolin showed anti-hyperuricemic activity in vitro and in vivo. In this study, we prepared various types of C. lanceolata extracts for the development of functional materials and natural drugs. We present the optimal analytical approach for the quality control and extraction optimization of C. lanceolata preparations. We established and validated a HPLC analysis for easy separation and quantification of the lobetyolin biomarker. Solvent extracts of C. lanceolata root were prepared and the profiles of the active marker and the optimal extraction methods were evaluated. The 100% ethanolic extract demonstrated the highest lobetyolin content. The validated HPLC method confirmed that lobetyolin was present in C. lanceolata root extracts. We suggest that the anti-hyperuricemic activities of C. lanceolata extract could be attributed to this marker compound. The results proposed that the 100% ethanolic extract could be used for the prevention of hyperurecemia, and that this analytical method and biomarker could be useful for the quality control of C. lanceolata preparations.
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SIRT1 Activation Enhancing 8,3'-Neolignans from the Twigs of Corylopsis coreana Uyeki. PLANTS 2021; 10:plants10081684. [PMID: 34451729 PMCID: PMC8398912 DOI: 10.3390/plants10081684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/16/2022]
Abstract
Three undescribed 8,3'-neolignans, corynol (1), 3-methoxy-corynol (2) and 3'-deoxy-corynol (3), together with two bergenin derivatives, three flavonoids, two hydrolysable tannins and six simple phenolic compounds, were isolated from the twigs of Corylopsis coreana Uyeki. The structures of the 8,3'-neolignans were elucidated by analyzing their NMR, HRESIMS and ECD spectra. All the isolated compounds were evaluated for their SIRT1 stimulatory activity, and 3'-deoxy-corynol (3) showed SIRT1 stimulation activity. Furthermore, a docking study of 3 was performed with three representative binding pockets of SIRT1.
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Kantayos V, Kim JS, Baek SH. Enhancing Resveratrol Bioproduction and Anti-Melanogenic Activities through Elicitation in DJ526 Cell Suspension. PLANTS (BASEL, SWITZERLAND) 2021; 10:1653. [PMID: 34451698 PMCID: PMC8399551 DOI: 10.3390/plants10081653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/09/2021] [Accepted: 08/10/2021] [Indexed: 02/06/2023]
Abstract
Resveratrol, a secondary plant metabolite, and its derivatives, including piceid, show several potential health-related biological activities. However, resveratrol production is uncommon in plants; thus, resveratrol-enriched rice (DJ526) is produced for its nutritional and therapeutic value. Here, a DJ526 cell suspension was treated with various elicitors to determine its resveratrol-production potential and elicit its biological activity. Treatments with most elicitors produced more piceid than resveratrol; as elicitation periods increased, the average piceid levels were 75-fold higher than resveratrol levels. This increase is associated with glycosylation during growth and development. The duration of exposure and concentrations of elicitors were crucial factors affecting resveratrol synthase expression. Of all the elicitors tested, jasmonic acid and methyl jasmonate (MeJA) were strong elicitors; they increased resveratrol production to ≤115.1 μg g-1 (total resveratrol and piceid content). Moreover, 5 μM of MeJA increased total resveratrol production by >96.4% relative to the control production. In addition, the extract of cell suspension treated with 5 μM of MeJA significantly reduced melanin content and cellular tyrosinase activity (24.2% and 21.5% relative to the control, respectively) in melan-a cells without disturbing cell viability. Overall, elicitation can enhance resveratrol production and elicit the biological activity of the compound, in this case, its anti-melanogenic activities, in DJ526 cell suspension.
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Affiliation(s)
| | | | - So-Hyeon Baek
- Department of Agricultural Life Science, Sunchon National University, Suncheon 57922, Korea; (V.K.); (J.-S.K.)
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Sik B, Lakatos EH, Kapcsándi V, Székelyhidi R, Ajtony Z. Exploring the rosmarinic acid profile of dark chocolate fortified with freeze-dried lemon balm extract using conventional and non-conventional extraction techniques. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111520] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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19
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Saeedpour A, Jahanbakhsh Godehkahriz S, Lohrasebi T, Esfahani K, Hatef Salmanian A, Razavi K. The Effect of Endogenous Hormones, Total Antioxidant and Total Phenol Changes on Regeneration of Barley Cultivars. IRANIAN JOURNAL OF BIOTECHNOLOGY 2021; 19:e2838. [PMID: 34179198 PMCID: PMC8217535 DOI: 10.30498/ijb.2021.2838] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Background Barley (Hordeum vulgar L.) is a valuable platform for producing recombinant proteins. Before using different barley cultivars as an efficient platform for molecular farming, optimization of cultural conditions and studying the effective factors on the tissue culture are critical. Objectives In this study, we evaluated callus induction, plant regeneration and changes in the levels of total antioxidant, total phenol and endogenous hormones of three Iranian barley cultivars (Reyhan, Yousef and Bahman) and Golden Promise cultivar. Materials and Methods We used immature embryos as explants on MS-based medium containing 3 mg.L-1 2,4-D for callus induction. Calluses were transferred to regeneration media with 2 mg.L-1 BAP. The levels of endogenous hormones were measured using High-Performance Liquid Chromatography system and total antioxidant and total phenols were determined using a spectrophotometer. Results We demonstrated that callus formation was very high in all cultivars (about 91%) and all immature embryo explants had the potential to produce embryogenic calluses. The present study also showed that the regeneration rates among the studied cultivars were very different and the Iranian cultivars showed lower regeneration percentages (about 1.4%) compared to Golden Promise cultivar (about 72.5%). The levels of endogenous hormones in Iranian cultivars and Golden Promise varied distinctly and significant differences in terms of total antioxidants and total phenols were found in the two groups. Conclusions Accumulated evidence suggests that for successful regeneration of recalcitrant cultivars, external treatments should be done in a way to reduce the inhibitory effects of internal factors.
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Affiliation(s)
- Ali Saeedpour
- Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Sodabeh Jahanbakhsh Godehkahriz
- Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Tahmineh Lohrasebi
- Department of Plant Bioproducts, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Kasra Esfahani
- Department of Plant Bioproducts, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Ali Hatef Salmanian
- Department of Plant Bioproducts, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Khadijeh Razavi
- Department of Plant Bioproducts, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
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Shabir G, Saeed A, El-Seedi HR. Natural isocoumarins: Structural styles and biological activities, the revelations carry on …. PHYTOCHEMISTRY 2021; 181:112568. [PMID: 33166749 DOI: 10.1016/j.phytochem.2020.112568] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/17/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
Isocoumarins and dihydroisocoumarins are lactonic phytochemicals plentiful in microbes and higher plants. These are an amazing small scaffolds consecrated with all types of pharmacological applications. Our previous review covered the period 2000-2016, documenting the then known natural products of this class; the current article is a critical account of discovery of known as well as undescribed structural types and pharmacological activities reported in the course of 2016-2020. The classification revealed in our previous review based on the biogenetic origin is further buttressed by discovery of new members of each class and some new structural types hitherto unknown have also been identified. Similarly, the biological activities and SAR conclusions identified were found to be valid as well, nonetheless with new accompaniments. The most recent available literature on the structural diversity and biological activity of these natural products has been included. The information documented in this article are collected from scientific journals, books, electronic search engines and scientific databases.
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Affiliation(s)
- Ghulam Shabir
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
| | - Hesham R El-Seedi
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China; Al-Rayan Colleges, Medina, 42541, Saudi Arabia
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Identification and Extraction Optimization of Active Constituents in Citrus junos Seib ex TANAKA Peel and Its Biological Evaluation. Molecules 2019; 24:molecules24040680. [PMID: 30769817 PMCID: PMC6412224 DOI: 10.3390/molecules24040680] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 01/07/2023] Open
Abstract
Citrus junos Seib ex TANAKA possesses various biological effects. It has been used in oriental remedies for blood circulation and the common cold. Recently, biological effects of C. junos peel have been reported. However, optimization of the biological properties of C. junos peel preparations has yet to be reported on. We developed a high-performance liquid chromatography (HPLC) method for quantification of the active constituents in C. junos peel. Hot water and ethanolic extracts of C. junos peel were prepared and their chemical profiles and biological activities were evaluated. The 80% ethanolic extract demonstrated the greatest antioxidant activity and phenolic content, while the 100% ethanolic extract had the greatest xanthine oxidase inhibitory activity. Elastase inhibition activity was superior in aqueous and 20% ethanolic extracts. The contents of two flavonoids were highest in the 100% ethanolic extract. We postulated that the antioxidant and anti-aging effects of C. junos peel extract could be attributed to phenolics such as flavonoids. Our results suggest that the flavonoid-rich extract of C. junos may be utilized for the treatment and prevention of metabolic disease and hyperuricemia while the water-soluble extract of C. junos could be used as a source for its anti-aging properties.
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Song SY, Song SH, Bae MS, Cho SS. Phytochemical Constituents and the Evaluation Biological Effect of Cinnamomum yabunikkei H.Ohba Leaf. Molecules 2018; 24:molecules24010081. [PMID: 30591631 PMCID: PMC6337408 DOI: 10.3390/molecules24010081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 12/24/2018] [Accepted: 12/24/2018] [Indexed: 11/23/2022] Open
Abstract
Cinnamomum yabunikkei H.Ohba leaf is known as a traditional medicinal material in Korea. However, no scientific identification of the components or efficacy of C.yabunikkei H.Ohba leaf has been reported. In the present study, we prepared various solvent extracts of C.yabunikkei H.Ohba leaf to understand its basic properties and evaluated the antioxidant, xanthine oxidase inhibitory, and elastase inhibitory activities of hexane, ethyl acetate, acetone, methanol, ethanol, and water extracts for the first time. The antioxidant properties were evaluated based on 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity, reducing power, and total phenolic contents. The hot water extract showed the highest DPPH radical scavenging activity and total phenolic contents, and the reducing power was the highest in the water extract. The hexane extract showed an excellent elastase inhibitory effect compared to control (phosphoramidone) and the highest xanthine oxidase inhibitory activity. These results present basic information for the possible uses of the hot water and hexane extracts from C. yabunikkei leaf for the treatment of diseases caused by oxidative imbalance. In the present study, individual extracts exhibited different effects. Therefore, it is hypothesized that the applicability of C. yabunikkei will depend on the extraction method and nature of the extract. The hot water and hexane extracts could be used as antioxidants, and as anti-gout and anti-wrinkle materials respectively. Several biologically active substances present in hexane extract of C. yabunikkei have been analyzed by GCMS and demonstrated to possess antioxidant and xanthine oxidase inhibitory activity. To the best of our knowledge, this is the first study that reports the chemical profiling and biological effects of various C. yabunikkei leaf extracts, suggesting their potential use in food therapy, cosmetics or alternative medicine.
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Affiliation(s)
- Seung-Yub Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam 58554, Korea.
| | - Seung-Hui Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam 58554, Korea.
| | - Min-Suk Bae
- Department of Environmental Engineering, Mokpo National University, Muan, Jeonnam 58554, Korea.
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam 58554, Korea.
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Optimization of the Extraction Conditions and Biological Evaluation of Dendropanax morbifera H. Lev as an Anti-Hyperuricemic Source. Molecules 2018; 23:molecules23123313. [PMID: 30558104 PMCID: PMC6321341 DOI: 10.3390/molecules23123313] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/03/2018] [Accepted: 12/13/2018] [Indexed: 01/31/2023] Open
Abstract
Dendropanax morbifera H. Levis a medicinal plant native to South Korea, East Asia, and South America. Among some 75 species, one species grows in Korea. In previous studies, D. morbifera extracts with anti-oxidant, anti-inflammatory, anti-complementary and anti-cancer activities were reported. The present study aims to investigate optimization of extraction and evaluation of anti-hyperuricemic effects of D. morbifera leaf and the phytochemicals contained therein. Ethanol and hexane extract were found to display the best xanthine oxidase inhibition among six types of solvent and water extract. The antioxidant effect of the ethanol extract was superior to that of the hexane extract. The DPPH radical scavenging effect of the ethanol and hexane extracts were 81.52 ± 1.57% and 2.69 ± 0.16. The reducing power of the ethanol and hexane extracts were 9.71 ± 0.15 and 0.89 ± 0.01 mg/g equivalent of gallic acid. Total phenols of the ethanol and hexane extracts were 6.53 ± 0.16 and 0.63 ± 0.001 mg/g equivalent of gallic acid. In addition, we compared the two marker compounds from D. morbifera, chlorogenic acid and rutin, which were determined in the ethanol extract at 0.80 ± 0.03% and 0.52 ± 0.01%, respectively. We found that the ethanol extracts showed better xanthine oxidase inhibition than hexane extracts. Especially, ethanol extracts showed higher antioxidant activity than hexane extracts. Based on these results, we selected the ethanol extract as an effective xanthine oxidase inhibitor and confirmed whether ethanol extracts showed xanthine oxidase inhibition in animal experiments. The in vivo mouse study demonstrated that ethanol extract of D. morbifera leaf at the dose of 300 mg/kg could inhibit blood/hepatic xanthine oxidase activity and this result shows that the xanthine oxidase inhibitory activity in vitro is reproduced in vivo. The present study showed that ethanol extract was optimal xanthine oxidase inhibitor which can be applied to prevent diseases related to hyperuricemia.
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Bae CS, Yun CH, Ahn T. Extracts from Erythronium japonicum and Corylopsis coreana Uyeki reduce 1,3-dichloro-2-propanol-mediated oxidative stress in human hepatic cells. Food Sci Biotechnol 2018; 28:175-180. [PMID: 30815308 DOI: 10.1007/s10068-018-0445-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 05/23/2018] [Accepted: 07/26/2018] [Indexed: 01/24/2023] Open
Abstract
In this study, it was demonstrated that 1,3-dichloro-2-propanol (1,3-DCP) induced oxidative stress and cell death in HuH7, human hepatocytes. The protective effects of Erythronium japonicum (E. japonicum) and Corylopsis coreana Uyeki (C. coreana Uyeki) extracts against 1,3-DCP-treated cells were also investigated. First, the activities of superoxide dismutase (SOD) and catalase (CAT) were diminished by the treatment of 1,3-DCP. Moreover, 1,3-DCP stimulated the expression and catalytic activity of cytochrome P450 2E1 (CYP2E1), an enzyme that generates reactive oxygen species in the liver. In contrast, co-treatment of 1,3-DCP with the extracts significantly decreased ROS generation and inhibited CYP2E1 activity without affecting its expression. The co-administration of extracts also restored the activities of SOD and CAT reduced by 1,3-DCP and protected against 1,3-DCP-mediated cell death. In conclusion, these results suggest that 1,3-DCP induces oxidative stress through the elevated CYP2E1 level, which is inhibited by the extracts, protecting cells against the effects of 1,3-DCP.
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Affiliation(s)
- Chun-Sik Bae
- 1College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186 Republic of Korea
| | - Chul-Ho Yun
- 2School of Biological Sciences and Technology, Chonnam National University, Gwangju, Republic of Korea
| | - Taeho Ahn
- 1College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186 Republic of Korea
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Analysis of the Active Constituents and Evaluation of the Biological Effects of Quercus acuta Thunb. (Fagaceae) Extracts. Molecules 2018; 23:molecules23071772. [PMID: 30029475 PMCID: PMC6099636 DOI: 10.3390/molecules23071772] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 07/15/2018] [Accepted: 07/17/2018] [Indexed: 12/20/2022] Open
Abstract
We evaluated the antioxidant and antibacterial activity of hexnane, ethyl acetate, acetone, methanol, ethanol, and water extracts of the Quercus acuta leaf. The antioxidant properties were evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity, reducing power, and total phenolic content. Antibacterial activity was assessed against general infectious pathogens, including antibiotic-resistant clinical isolates. The methanolic extract showed the highest DPPH radical scavenging activity and total phenolic content, while the reducing power was the highest in the water extract. The ethyl acetate extract showed the best antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) strains. Additionally, it displayed antibacterial activity against Staphylococcus aureus KCTC1928, Micrococcus luteus ATCC 9341, Salmonella typhimurium KCTC 1925, Escherichia coli KCTC 1923, and eight MRSA strains. These results present basic information for the possible uses of the ethanolic and ethyl acetate extracts from Q. acuta leaf in the treatment of diseases that are caused by oxidative imbalance and antibiotic-resistant bacterial infections. Six active compounds, including vitamin E, which are known to possess antioxidant and antibacterial activity, were identified from the extracts. To the best of our knowledge, this is the first study that reports the chemical profiling and antibacterial effects of the various QA leaf extracts, suggesting their potential use in food therapy or alternative medicine.
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Development and Validation of a HPLC-UV Method for Extraction Optimization and Biological Evaluation of Hot-Water and Ethanolic Extracts of Dendropanax morbifera Leaves. Molecules 2018. [PMID: 29534045 PMCID: PMC6017506 DOI: 10.3390/molecules23030650] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Dendropanax morbifera Leveille (Araliaceae) has been used in traditional oriental remedies for cancer, inflammation, diabetes, and thrombosis. However, a validated analytical method, standardization, and optimization of extraction conditions with respect to biological activity have not been reported. In this study, a simple and validated HPLC method for identifying and quantifying active substances in D. morbifera was developed. Hot water and ethanolic D. morbifera leaf extracts from different production regions were prepared and evaluated with regard to their chemical compositions and biological activities. The contents of active compounds such as rutin and chlorogenic acid were determined in four samples collected from different regions. The 80% ethanolic extract showed the best antioxidant activity, phenolic content, reducing power, and xanthine oxidase (XO) inhibitory activity. The validated HPLC method confirmed the presence of chlorogenic acid and rutin in D. morbifera leaf extracts. The antioxidant and XO inhibitory activity of D. morbifera extract could be attributed to the marker compounds. Collectively, these results suggest that D. morbifera leaves could be beneficial for the treatment or prevention of hyperuricemia-related disease, and the validated HPLC method could be a useful tool for the quality control of food or drug formulations containing D. morbifera.
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Lee Y, Kim JE, Kim KJ, Cho SS, Son YJ. Optimized Extract from Corylopsis coreana Uyeki (Hamamelidaceae) Flos Inhibits Osteoclast Differentiation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:6302748. [PMID: 29692856 PMCID: PMC5859845 DOI: 10.1155/2018/6302748] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 12/23/2017] [Accepted: 01/30/2018] [Indexed: 01/09/2023]
Abstract
Osteoporosis is a metabolic disorder that decreases the stability against fractures of the spine, femur, and radius by weakening the strength and integrity of bones. Receptor activator of nuclear factor-kappa B ligand signaling ultimately activated nuclear factor-activated T cells c1, a major transcription factor for osteoclast formation. This study researched the effects of Corylopsis coreana (C. coreana) Uyeki flos extracts on the antiosteoclastic potential of macrophages and the phytochemicals contained therein. The alcoholic extract of C. coreana Uyeki flos inhibited the differentiation of osteoclast. We carried out the experiments of the pattern of differentiation of osteoclasts based on the alcoholic percentage of extracts. Among them, 80% alcoholic extract showed the highest inhibitory effect. The alcoholic extract was composed of phytochemicals such as bergenin, quercetin, and quercitrin. This extract inhibited not only mRNA expression levels of NFATc1, osteoclast-associated receptor (OSCAR), cathepsin K, and tartrate-resistant acid phosphatase (TRAP), but also the translational expression of NFATc1. The inhibitory effect for osteoclast differentiation of the alcoholic extract was confirmed using the resorption pit assay. This is the first scientific report of the antiosteoclastic effects of C. coreana Uyeki flos extract, which can be applied therapeutically for the treatment of osteoporosis.
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Affiliation(s)
- Yongjin Lee
- Department of Pharmacy, Sunchon National University, Jeonnam, Suncheon 57922, Republic of Korea
| | - Jung-Eun Kim
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Kwang-Jin Kim
- Department of Pharmacy, Sunchon National University, Jeonnam, Suncheon 57922, Republic of Korea
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Young-Jin Son
- Department of Pharmacy, Sunchon National University, Jeonnam, Suncheon 57922, Republic of Korea
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Song SH, Ki SH, Park DH, Moon HS, Lee CD, Yoon IS, Cho SS. Quantitative Analysis, Extraction Optimization, and Biological Evaluation of Cudrania tricuspidata Leaf and Fruit Extracts. Molecules 2017; 22:molecules22091489. [PMID: 28880226 PMCID: PMC6151595 DOI: 10.3390/molecules22091489] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 09/05/2017] [Indexed: 01/20/2023] Open
Abstract
Cudrania tricuspidata Bureau (Moraceae) shows numerous pharmacological effects and has been used in traditional herbal remedies for inflammation, gastritis, tumors, and liver diseases. However, no validated analytical method for the standardization and optimization of the biological properties of C. tricuspidata preparations has been reported. We developed and validated a reverse-phase high-performance liquid chromatography (HPLC) method for the separation and quantification of active markers. Ethanolic extracts of C. tricuspidata leaves were prepared and evaluated for chemical profiles and biological activities. The 80% ethanolic extract demonstrated the greatest antioxidant activity and phenolic content, while the 100% ethanolic extract had the greatest total flavonoid content and xanthine oxidase (XO) inhibitory activity. The validated HPLC method confirmed that chlorogenic acid, rutin, and kaempferol were present in C. tricuspidata leaf extracts. We postulated that the antioxidant and anti-hyperuricemic/gout effects of C. tricuspidata extract could be attributed to these marker compounds. Our results suggested that the flavonoid-rich fraction of the leaf extract may be utilized for the treatment and prevention of hyperuricemia-related diseases, and the validated method and marker compounds could be applied for the quality control of C. tricuspidata preparations.
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Affiliation(s)
- Seung-Hui Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Sung Hwan Ki
- Laboratory of Toxicology, College of Pharmacy, Chosun University, Dong-gu, Gwangju 61452, Korea.
| | - Dae-Hun Park
- Department of Nursing, Dongshin University, Naju-si, Jeonnam 58245, Korea.
| | - Hong-Seop Moon
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Chang-Dai Lee
- Department of Business Administration, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - In-Soo Yoon
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Geumjeong-gu, Busan 46241, Korea.
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
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Jang HJ, Lee SJ, Kim CY, Hwang JT, Choi JH, Park JH, Lee SW, Rho MC. Effect of Sunlight Radiation on the Growth and Chemical Constituents of Salvia plebeia R.Br. Molecules 2017; 22:E1279. [PMID: 28763025 PMCID: PMC6152347 DOI: 10.3390/molecules22081279] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 07/26/2017] [Accepted: 07/27/2017] [Indexed: 12/01/2022] Open
Abstract
This study investigated the chemical composition changes of Salvia plebeia R.Br. cultivated under different light sources, including florescent light and sunlight. The plants were exposed to fluorescent light for four months and sunlight and then examined for the next 5-7 months. Plants were harvested monthly during the seven months, and we examined whether the difference in light source affected the phenolic and flavonoid contents and antioxidant activity. A simple and reliable HPLC method using a PAH C18 column was applied for the quantitative analysis of two triterpenoids from the S. plebeia groups. Oleanolic acid (OA) and ursolic acid (UA) showed good linearity (R² > 0.9999) within the test ranges (0.005-0.05 mg/mL), and the average percentage recoveries of the OA and UA were 95.1-104.8% and 97.2-107.1%, respectively. The intra- and inter-day relative standard deviations (RSDs) were less than 2.0%. After exposure to sunlight, the phenolic contents, including rosmarinic acid, showed a reduced tendency, whereas the flavonoid contents, including homoplantaginin and luteolin 7-glucoside, were increased. The content of the triterpenoids also showed an increased tendency under sunlight irradiation, but the variance was not larger than those of the phenolic and flavonoid contents. Among experimental groups, the group harvested at six months, having been exposed to sunlight for two months, showed the most potent antioxidant activity. Therefore, these results showed that the chemical composition and antioxidant activities of S. plebeia R.Br. was affected from environmental culture conditions, such as light source. Our studies will be useful for the development of functional materials using S. plebeia R.Br.
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Affiliation(s)
- Hyun-Jae Jang
- Immunoregulatory Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
| | - Seung-Jae Lee
- Immunoregulatory Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
| | - Cha Young Kim
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
| | - Joo Tae Hwang
- Immunoregulatory Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
| | - Jung Ho Choi
- R&D Center, Korean Drug Co., Ltd., Seoul 06300, Korea.
| | - Jee Hun Park
- R&D Center, Korean Drug Co., Ltd., Seoul 06300, Korea.
| | - Seung Woong Lee
- Immunoregulatory Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
| | - Mun-Chual Rho
- Immunoregulatory Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 181 Ipsin-gil, Jeongeup-si, Jeonbuk 56212, Korea.
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Yoon IS, Park DH, Kim JE, Yoo JC, Bae MS, Oh DS, Shim JH, Choi CY, An KW, Kim EI, Kim GY, Cho SS. Identification of the biologically active constituents of Camellia japonica leaf and anti-hyperuricemic effect in vitro and in vivo. Int J Mol Med 2017; 39:1613-1620. [PMID: 28487949 DOI: 10.3892/ijmm.2017.2973] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 04/26/2017] [Indexed: 11/05/2022] Open
Abstract
Camellia japonica L. is a plant of which the seeds are used as a folk medicine, and it is native to South Korea, Japan and China. In previous study, triterpenes, flavonoids, tannins and fatty acids which have antiviral, antioxidant and anti inflammatory activity were reported from C. japonica leaf and flower. In Korea, the seed from this plant is used as a traditional medicine and in folk remedies for the treatment of bleeding and inflammation. However, the major issue associated with the use of the seed as a medicinal and/or functional food ingredient is its application to the pharmaceutical and food industry. First, the productivity of seed extract is very much less than that of the leaf. Second, the beneficial usage of the seed extract as an alternative medicine and functional source is not yet clear. Thus, in this study, we focused on another part of the plant, the leaf, and found that the extract of Camellia japonica leaf has a high concentration of vitamin E, rutin and other biologically active compounds related to hyperuricemia. We aimed to investigate the biological activities, namely the antioxidant activities, xanthine oxidase (XO) inhibitory activity and anti‑hyperuricemic effects of extract from C. japonica leaf and the phytochemicals contained therein. Ethanol extracts of C. japonica leaf (ECJL) were prepared, and the extract was used with respect to antioxidant activities, total phenolic contents and XO inhibitory activity. The in vivo XO inhibitory activity and anti‑hyperuricemic effects of the extract were evaluated in mice with potassium oxonate‑induced hyperuricemia. To clarify the marker compounds that are responsible for the anti‑hyperuricemic effects, several key constituents were identified using gas chromatography‑mass spectrometry (GC‑MS) and and liquid chromatography-mass spectrometry (LC-MS). ECJL was found to have strong antioxidant activities, and in vitro XO inhibitory activity. The results of the in vivo experiments using mice demonstrated that ECJL at the doses of 100 and 300 mg/kg inhibited hepatic XO activity and significantly attenuated hyperuricemia. To the best of our knowledge, the present study is the first report on the XO inhibitory and anti-hyperuricemic effects of ECJL, which can be therapeutically applied in the treatment of hyperuricemia and gout.
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Affiliation(s)
- In-Soo Yoon
- College of Pharmacy, Pusan National University, Geumjeong, Busan 46241, Republic of Korea
| | - Dae-Hun Park
- Department of Oriental Medicine Materials, Dongshin University, Naju, Jeonnam 58245, Republic of Korea
| | - Jung-Eun Kim
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Jin-Cheol Yoo
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju 61452, Republic of Korea
| | - Min-Suk Bae
- Department of Environmental Engineering, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Deuk-Sil Oh
- Jeollanamdo Wando Arboretum, Wando, Jeonnam 59105, Republic of Korea
| | - Jung-Hyun Shim
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
| | - Chul-Yung Choi
- Jeonnam Bioindustry Foundation, Institute of Natural Resources Research, Jangheung, Jeonnam 59338, Republic of Korea
| | - Ki-Wan An
- Division of Forest Resources, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Eun-Il Kim
- Department of Landscape Architecture, College of Agriculture and Life Sciences, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Gye-Yeop Kim
- Department of Physical Therapy, College of Health and Welfare, Dongshin University, Naju, Jeonnam 58245, Republic of Korea
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Muan, Jeonnam 58554, Republic of Korea
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Park DE, Yoon IS, Kim JE, Seo JH, Yoo JC, Bae CS, Lee CD, Park DH, Cho SS. Antimicrobial and Anti-Inflammatory Effects of Ethanol Extract of Corylopsis coreana Uyeki Flos. Pharmacogn Mag 2017; 13:286-292. [PMID: 28539723 PMCID: PMC5421428 DOI: 10.4103/0973-1296.204554] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/27/2016] [Indexed: 11/04/2022] Open
Abstract
Background: Corylopsis coreana Uyeki (Hamamelidaceae) is a medicinal plant cultivated in Northeast Asia. Previously, we have reported that an ethanol extract of Corylopsis coreana Uyeki flos (ECCF) contains four active compounds with antioxidant activity. Objective: The aim of this study was to investigate the antimicrobial spectrum against infectious bacteria and anti-inflammatory effect of ECCF in a mouse model of acute local inflammation. Materials and Methods: In vitro antimicrobial susceptibility was evaluated using standard plate assay technique. Antimicrobial activities (minimum inhibitory concentration, MIC; μg/mL) were determined with the serial dilution method. In vivo anti-inflammatory activity was studied using a mouse model of carrageenan-induced air pouch inflammation. Results: The ECCF showed antimicrobial activities against general bacteria and drug-resistant bacteria including Staphylococcus aureus, Micrococcus luteus ATCC 9341, Mycrobacterium smegmatis ATCC 9341, Mycrobacterium smegmatis ATCC 9341, Salmonella typhimrium KCTC 1925, and nine methicillin-resistant Staphylococcus aureus strains, with MIC values ranging from 250 to 1000 μg/mL. In in vivo mouse model, inflammatory morphologic changes observed in the air pouch membrane were restored to its normal condition by the ECCF treatment. Moreover, the ECCF significantly reduced exudate volumes, protein contents, inflammatory cell counts, and pro-inflammatory cytokine levels in the exudates recovered from air pouches of the mouse model. Flavonoids in the ECCF were found to contain bergenin, quercitrin, and quercetin with reported anti-inflammatory activity via suppressing tumor necrosis factor-α production. Conclusion: To the best of our knowledge, this is the first report to demonstrate the antimicrobial and anti-inflammatory activities of ECCF. Our results suggest that the ECCF might potentially serve as an alternative or complementary medicine for treating inflammatory diseases caused by microbial infection. SUMMARY ECCF showed antimicrobial activity against infectious bacteria and multidrug-resistant strains. ECCF exhibited anti-inflammatory activity in a carrageenan-induced air pouch mouse model. ECCF contained several active constituents such as bergenin, quercitrin, and quercetin.
Abbreviations used:Corylopsis coreana CCF: Uyeki flos, ECCF: ethanol extract of CCF
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Affiliation(s)
- Da-Eon Park
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Jeonnam, Republic of Korea
| | - In-Soo Yoon
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Jung-Eun Kim
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Jeonnam, Republic of Korea
| | - Ji-Hye Seo
- Department of Oriental Medicine Materials, Dongshin University, Jeonnam, Republic of Korea
| | - Jin-Cheol Yoo
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, Republic of Korea
| | - Chun-Sik Bae
- College of Veterinary Medicine, Chonnam National University, Gwangju, Republic of Korea
| | - Chang-Dai Lee
- Department of Business Administration, Mokpo National University, Jeonnam, Republic of Korea
| | - Dae-Hun Park
- Department of Oriental Medicine Materials, Dongshin University, Jeonnam, Republic of Korea
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Jeonnam, Republic of Korea
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In Vitro and In Vivo Studies on Quercus acuta Thunb. (Fagaceae) Extract: Active Constituents, Serum Uric Acid Suppression, and Xanthine Oxidase Inhibitory Activity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:4097195. [PMID: 28421120 PMCID: PMC5381200 DOI: 10.1155/2017/4097195] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/29/2016] [Accepted: 12/01/2016] [Indexed: 11/17/2022]
Abstract
Quercus acuta Thunb. (Fagaceae) (QA) is cultivated as a dietary and ornamental plant in China, Japan, South Korea, and Taiwan. It has been widely used as the main ingredient of acorn tofu, a traditional food in China and South Korea. The aim of this study was to determine in vitro and in vivo xanthine oxidase (XO) inhibitory and antihyperuricemic activities of an ethyl acetate extract of QA leaf (QALE) and identify its active phytochemicals using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography (LC) systems. The QALE was found to possess potent in vitro antioxidant and XO inhibitory activities. In vivo study using hyperuricemic mice induced with potassium oxonate demonstrated that the QALE could inhibit hepatic XO activity at a relatively low oral dose (50 mg/kg) and significantly alleviate hyperuricemia to a similar extent as allopurinol. Several active compounds including vitamin E known to possess XO inhibitory activity were identified from the QALE. To the best of our knowledge, this is the first study that reports the active constituents and antihyperuricemic effect of QA, suggesting that it is feasible to use QALE as a food therapy or alternative medicine for alleviating hyperuricemia and gout.
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Yoon IS, Park DH, Ki SH, Cho SS. Effects of extracts from Corylopsis coreana Uyeki (Hamamelidaceae) flos on xanthine oxidase activity and hyperuricemia. J Pharm Pharmacol 2016; 68:1597-1603. [DOI: 10.1111/jphp.12626] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 07/26/2016] [Indexed: 11/30/2022]
Abstract
Abstract
Objectives
This study aims to investigate xanthine oxidase (XO) inhibitory activity and antihyperuricemic effects of Corylopsis coreana Uyeki flos extracts and the phytochemicals contained therein.
Methods
Ethanolic extracts of the plant were prepared, and the extraction process was optimized with respect to flavonoid content and XO inhibitory activity. The optimized ethanolic extract was tested for its XO inhibitory activity and antihyperuricemic effects in potassium oxonate-induced hyperuricemic mice.
Key findings
The 80% ethanolic extract showed the highest total flavonoid content and in-vitro XO inhibitory activity. In-vivo studies demonstrated that the optimized 80% ethanolic extract could inhibit hepatic XO activity and significantly alleviate hyperuricemia at a relatively low oral dose (50 mg/kg) in mice. Additionally, an in-vitro enzyme inhibition study showed that phytochemicals such as bergenin, isosalipurposide, quercetin and quercitrin may be the key constituents responsible for the observed antihyperuricemic effects of the extract.
Conclusions
This study is the first report on the XO inhibitory and antihyperuricemic effects of C. coreana Uyeki flos extract, which can be therapeutically applied in treating hyperuricemia and gout.
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Affiliation(s)
- In-Soo Yoon
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam, Korea
| | - Dae-Hun Park
- Department of Oriental Medicine Materials, Dongshin University, Naju, Jeonnam, Korea
| | - Sung-Hwan Ki
- Department of Pharmacy, Chosun University, Gwangju, Korea
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan, Jeonnam, Korea
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