1
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Van Liefferinge E, Forte C, Degroote J, Ovyn A, Van Noten N, Mangelinckx S, Michiels J. In vitro and in vivo antimicrobial activity of cinnamaldehyde and derivatives towards the intestinal bacteria of the weaned piglet. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2041113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | - Claudio Forte
- Dipartimento di Scienze Veterinarie, University of Turin, Grugliasco, Italy
| | - Jeroen Degroote
- Vakgroep Dierwetenschappen en Aquatische Ecologie, Ghent University, Gent, Belgium
| | - Anneke Ovyn
- Vakgroep Dierwetenschappen en Aquatische Ecologie, Ghent University, Gent, Belgium
| | - Noémie Van Noten
- Vakgroep Dierwetenschappen en Aquatische Ecologie, Ghent University, Gent, Belgium
| | - Sven Mangelinckx
- Vakgroep Groene Chemie en Technologie, Ghent University, Gent, Belgium
| | - Joris Michiels
- Vakgroep Dierwetenschappen en Aquatische Ecologie, Ghent University, Gent, Belgium
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2
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Susilo B, Rohim A, Wahyu ML. Serial Extraction Technique of Rich Antibacterial Compounds in Sargassum cristaefolium Using Different Solvents and Testing their Activity. CURRENT BIOACTIVE COMPOUNDS 2022; 18. [DOI: 10.2174/1573407217666210910095732] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/27/2021] [Accepted: 07/01/2021] [Indexed: 09/02/2023]
Abstract
Background:
Sargassum cristaefolium, as one of the brown seaweeds locally found in
Indonesia, is extracted using the serial technique employing different solvents.
Methods:
S. cristaefolium powder (50 mesh) was extracted with three different solvents, including
hexane, ethyl acetate, and methanol. S. cristaefolium powder residue was dried prior to serial re-extraction
using different solvents. Three serial extracts were obtained and named as 1-stage extract,
2-stage extract, and 3-stage extract. Besides, a single-step extract (i.e., extraction using only
methanol) was produced to be compared with three serial extracts in antibacterial activity tests (against
E. coli and S. aureus). The three serial extracts were detected for their antibacterial compounds
using GC-MS, LC-HRMS, and FT-IR.
Results:
The 3-stage extract exhibited the highest extraction yield. On S. aureus, the inhibition
zone in all extracts was not significantly different. On E.coli, the highest inhibition zone
(5.42±0.14 mm) was of the 3-stage extract; indeed, it was higher than both antibiotic and a single-
step extract. Antibacterial compounds, such as phenol, 9-Tricosene(Z)-, palmitic acid, and
oleamide, were present in all extracts. Other antibacterial compound types, both the 1-stage and 2-stage
extracts, contained 7 types, whilst the 3-stage extract contained the most types (11 types). Particularly,
hexyl cinnamic aldehyde, betaine and several cinnamic aldehyde groups were detected only
in the 3-stage extract comprising the dominant area. The carboxylic acid groups were detected in
all extracts to confirm the fatty acid structure.
Conclusions:
The serial extraction technique could produce the 3-stage extract which exhibited the
strongest antibacterial activity and contained the richest antibacterial compounds.
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Affiliation(s)
- Bambang Susilo
- Department of Agricultural Engineering, Faculty of Agricultural Technology, Universitas Brawijaya, Malang-East Java,
Indonesia
| | - Abd. Rohim
- Department of Agricultural Product Technology, Faculty of Agricultural Technology, Universitas
Brawijaya, Malang-East Java, Indonesia | Department of Agricultural Product Technology, Institut Teknologi dan
Sains Nahdlatul Ulama Pasuruan, Pasuruan-East Java, Indonesia
| | - Midia Lestari Wahyu
- Central Laboratory of Life Science, Universitas
Brawijaya, Malang-East Java, Indonesia
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3
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Synergistic Antimicrobial Activities of Combinations of Vanillin and Essential Oils of Cinnamon Bark, Cinnamon Leaves, and Cloves. Foods 2021; 10:foods10061406. [PMID: 34204542 PMCID: PMC8235570 DOI: 10.3390/foods10061406] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/08/2021] [Accepted: 06/12/2021] [Indexed: 12/28/2022] Open
Abstract
Plant bioactive compounds have antimicrobial and antioxidant activities that allow them to be used as a substitute for synthetic chemical additives in both food and food packaging. To improve its sensory and bactericidal effects, its use in the form of effective combinations has emerged as an interesting possibility in the food industry. In this study, the antimicrobial activities of essential oils (EOs) of cinnamon bark, cinnamon leaves, and clove and the pure compounds vanillin, eugenol, and cinnamaldehyde were investigated individually and in combination against Listeria monocytogenes and Escherichia coli O157:H7. The possible interactions of combinations of pure compounds and EOs were performed by the two-dimensional checkerboard assay and isobologram methods. Vanillin exhibited the lowest antimicrobial activity (MIC of 3002 ppm against L. monocytogenes and 2795 ppm against E. coli O157:H7), while clove and cinnamon bark EOs exhibited the highest antimicrobial activity (402–404 against L. monocytogenes and 778–721 against E. coli O157:H7). For L. monocytogenes, pure compound eugenol, the main component of cinnamon leaves and clove, showed lower antimicrobial activity than EOs, which was attributed to the influence of the minor components of the EOs. The same was observed with cinnamaldehyde, the main component of cinnamon bark EO. The combinations of vanillin/clove EO and vanillin/cinnamon bark EO showed the most synergistic antimicrobial effect. The combination of the EOs of cinnamon bark/clove and cinnamon bark/cinnamon leaves showed additive effect against L. monocytogenes but indifferent effect against E. coli O157:H7. For L. monocytogenes, the best inhibitory effects were achieved by cinnamon bark EO (85 ppm)/vanillin (910 ppm) and clove EO (121 ppm)/vanillin (691 ppm) combinations. For E. coli, the inhibitory effects of clove EO (104 ppm)/vanillin (1006 ppm) and cinnamon leaves EO (118 ppm)/vanillin (979 ppm) combinations were noteworthy. Some of the tested combinations increased the antimicrobial effect and would allow the effective doses to be reduced, thereby offering possible new applications for food and active food packaging.
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4
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Sharifi-Rad J, Dey A, Koirala N, Shaheen S, El Omari N, Salehi B, Goloshvili T, Cirone Silva NC, Bouyahya A, Vitalini S, Varoni EM, Martorell M, Abdolshahi A, Docea AO, Iriti M, Calina D, Les F, López V, Caruntu C. Cinnamomum Species: Bridging Phytochemistry Knowledge, Pharmacological Properties and Toxicological Safety for Health Benefits. Front Pharmacol 2021; 12:600139. [PMID: 34045956 PMCID: PMC8144503 DOI: 10.3389/fphar.2021.600139] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 04/06/2021] [Indexed: 12/22/2022] Open
Abstract
The genus Cinnamomum includes a number of plant species largely used as food, food additives and spices for a long time. Different traditional healing systems have used these plants as herbal remedies to cure diverse ailments. The aim of this comprehensive and updated review is to summarize the biodiversity of the genus Cinnamomum, its bioactive compounds, the mechanisms that underlie the pharmacological activities and molecular targets and toxicological safety. All the data in this review have been collected from databases and recent scientific literature including Web of Science, PubMed, ScienceDirect etc. The results showed that the bioactive compounds of Cinnamomum species possess antimicrobial, antidiabetic, antioxidant, anti-inflammatory, anticancer and neuroprotective effects. The preclinical (in vitro/in vivo) studies provided the possible molecular mechanisms of these action. As a novelty, recent clinical studies and toxicological data described in this paper support and confirm the pharmacological importance of the genus Cinnamomum. In conclusion, the obtained results from preclinical studies and clinical trials, as well as reduced side effects provide insights into future research of new drugs based on extracts and bioactive compounds from Cinnamomum plants.
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Affiliation(s)
- Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Facultad de Medicina, Universidad del Azuay, Cuenca, Ecuador
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, India
| | - Niranjan Koirala
- Department of Natural Products Drugs Discovery, Dr. Koirala Research Institute for Biotechnology and Biodiversity, Kathmandu, Nepal
| | - Shabnum Shaheen
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Nasreddine El Omari
- Laboratory of Histology, Embryology and Cytogenetic, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat, Morocco
| | - Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tamar Goloshvili
- Institute of Botany, Plant Physiology and Genetic Resources, Ilia State University, Tbilisi, Georgia
| | | | - Abdelhakim Bouyahya
- Laboratory of Human Pathology Biology, Faculty of Sciences, Genomic Center of Human Pathology, Faculty of Medicine and Pharmacy, Mohammed V University of Rabat, Rabat, Morocco
| | - Sara Vitalini
- Department of Agricultural and Environmental Sciences, Milan State University, Milan, Italy
| | - Elena M Varoni
- Department of Biomedical, Surgical and Dental Sciences, Milan State University, Milan, Italy
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepcion, Concepcion, Chile.,Universidad de Concepción, Unidad de Desarrollo Tecnológico, UDT, Concepcion, Chile
| | - Anna Abdolshahi
- Food Safety Research Center (salt), Semnan University of Medical Sciences, Semnan, Iran
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Marcello Iriti
- Department of Agricultural and Environmental Sciences, Milan State University, Milan, Italy
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Francisco Les
- Department of Pharmacy, Faculty of Health Sciences, Universidad San Jorge, Zaragoza, Spain.,Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Víctor López
- Department of Pharmacy, Faculty of Health Sciences, Universidad San Jorge, Zaragoza, Spain.,Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Constantin Caruntu
- Department of Physiology, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.,Department of Dermatology, "Prof. N.C. Paulescu" National Institute of Diabetes, Nutrition and Metabolic Diseases, Bucharest, Romania
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5
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Gahamanyi N, Song DG, Cha KH, Yoon KY, Mboera LE, Matee MI, Mutangana D, Amachawadi RG, Komba EV, Pan CH. Susceptibility of Campylobacter Strains to Selected Natural Products and Frontline Antibiotics. Antibiotics (Basel) 2020; 9:antibiotics9110790. [PMID: 33182474 PMCID: PMC7697650 DOI: 10.3390/antibiotics9110790] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/05/2020] [Accepted: 11/05/2020] [Indexed: 12/24/2022] Open
Abstract
Campylobacter species have developed resistance to existing antibiotics. The development of alternative therapies is, therefore, a necessity. This study evaluates the susceptibility of Campylobacter strains to selected natural products (NPs) and frontline antibiotics. Two C. jejuni strains (ATCC® 33560TM and MT947450) and two C. coli strains (ATCC® 33559TM and MT947451) were used. The antimicrobial potential of the NPs, including plant extracts, essential oils, and pure phytochemicals, was evaluated by broth microdilution. The growth was measured by spectrophotometry and iodonitrotetrazolium chloride. Antibiotic resistance genes (tet(O) and gyrA) were characterized at the molecular level. The minimum inhibitory concentrations (MICs) and the minimum bactericidal concentrations (MBCs) ranged from 25 to 1600 µg/mL. Cinnamon oil, (E)-Cinnamaldehyde, clove oil, eugenol, and baicalein had the lowest MIC and MBC values (25-100 µg/mL). MT947450 and MT947451 were sensitive to erythromycin and gentamicin but resistant to quinolones and tetracycline. Mutations in gyrA and tet(O) genes from resistant strains were confirmed by sequencing. The findings show that NPs are effective against drug-sensitive and drug-resistant Campylobacter strains. The resistance to antibiotics was confirmed at phenotypic and genotypic levels. This merits further studies to decipher the action mechanisms and synergistic activities of NPs.
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Affiliation(s)
- Noel Gahamanyi
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung 25451, Korea; (N.G.); (D.-G.S.); (K.H.C.); (K.-Y.Y.)
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Chuo Kikuu, Morogoro P.O. Box 3015, Tanzania; (L.E.G.M.); (E.V.G.K.)
| | - Dae-Geun Song
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung 25451, Korea; (N.G.); (D.-G.S.); (K.H.C.); (K.-Y.Y.)
| | - Kwang Hyun Cha
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung 25451, Korea; (N.G.); (D.-G.S.); (K.H.C.); (K.-Y.Y.)
| | - Kye-Yoon Yoon
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung 25451, Korea; (N.G.); (D.-G.S.); (K.H.C.); (K.-Y.Y.)
| | - Leonard E.G. Mboera
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Chuo Kikuu, Morogoro P.O. Box 3015, Tanzania; (L.E.G.M.); (E.V.G.K.)
| | - Mecky I. Matee
- School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam P.O. Box 65001, Tanzania;
| | - Dieudonné Mutangana
- College of Science and Technology, University of Rwanda, Kigali P.O. Box 3900, Rwanda;
| | - Raghavendra G. Amachawadi
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606, USA;
| | - Erick V.G. Komba
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Chuo Kikuu, Morogoro P.O. Box 3015, Tanzania; (L.E.G.M.); (E.V.G.K.)
| | - Cheol-Ho Pan
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung 25451, Korea; (N.G.); (D.-G.S.); (K.H.C.); (K.-Y.Y.)
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Korea
- Correspondence:
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6
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Cho TJ, Park SM, Yu H, Seo GH, Kim HW, Kim SA, Rhee MS. Recent Advances in the Application of Antibacterial Complexes Using Essential Oils. Molecules 2020; 25:molecules25071752. [PMID: 32290228 PMCID: PMC7181228 DOI: 10.3390/molecules25071752] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 11/16/2022] Open
Abstract
Although antibacterial spectrum of essential oils (EOs) has been analyzed along with consumers’ needs on natural biocides, singular treatments generally require high concentration of EOs and long-term exposures to eliminate target bacteria. To overcome these limitations, antibacterial complex has been developed and this review analyzed previous reports regarding the combined antibacterial effects of EOs. Since unexpectable combined effects (synergism or antagonism) can be derived from the treatment of antibacterial complex, synergistic and antagonistic combinations have been identified to improve the treatment efficiency and to avoid the overestimation of bactericidal efficacy, respectively. Although antibacterial mechanism of EOs is not yet clearly revealed, mode of action regarding synergistic effects especially for the elimination of pathogens by using low quantity of EOs with short-term exposure was reported. Whereas comprehensive analysis on previous literatures for EO-based disinfectant products implies that the composition of constituents in antibacterial complexes is variable and thus analyzing the impact of constituting substances (e.g., surfactant, emulsifier) on antibacterial effects is further needed. This review provides practical information regarding advances in the EO-based combined treatment technologies and highlights the importance of following researches on the interaction of constituents in antibacterial complex to clarify the mechanisms of antibacterial synergism and/or antagonism.
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Affiliation(s)
- Tae Jin Cho
- Department of Food and Biotechnology, College of Science and Technology, Korea University, 2511, Sejong-ro, Sejong 30019, Korea;
| | - Sun Min Park
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea; (S.M.P.); (H.Y.); (G.H.S.); (H.W.K.)
| | - Hary Yu
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea; (S.M.P.); (H.Y.); (G.H.S.); (H.W.K.)
| | - Go Hun Seo
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea; (S.M.P.); (H.Y.); (G.H.S.); (H.W.K.)
| | - Hye Won Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea; (S.M.P.); (H.Y.); (G.H.S.); (H.W.K.)
| | - Sun Ae Kim
- Department of Food Science and Engineering, Ewha Womans University, Seoul 03760, Korea;
| | - Min Suk Rhee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea; (S.M.P.); (H.Y.); (G.H.S.); (H.W.K.)
- Correspondence: ; Tel.: +82-2-3290-3058
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Abstract
Biological high-risk pollutants (HRPs) have become a serious threat to human health worldwide, and wastewater is one of the major sources of them in a natural environment. Despite the long history of wastewater research, comprehensive understanding of the role and behavior of HRPs during wastewater treatment is still limited owing to the complexity of the community. In recent decades, the rapid development of molecular tools, especially the wide application of next generation sequencing technologies, helps to unravel the community composition, structure, and dynamic variation in wastewater. Overall, this chapter mainly focuses on biological HRPs, including bacteria, viruses, protozoa, helminth, biotoxins, antibiotic resistance genes and antibiotic resistant bacteria in wastewater. The characteristics, classification, fates, functions, and health implications of these HRPs are introduced in detail. Moreover, the biogeography of HRPs is a research hotspot in recent years, and available information is also summarized in this chapter. Finally, we also propose the future research needs of HRPs in wastewater after the comprehensive summary of the existing research reports. This chapter is wished to be helpful for beginners to quickly understand the biological HRPs in wastewater.
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Patil VM, Anand P, Bhardwaj M, Masand N. Cinnamaldehyde Analogs: Docking Based Optimization, COX-2 Inhibitory In Vivo and In Vitro Studies. Curr Drug Discov Technol 2019; 17:154-165. [PMID: 30686258 DOI: 10.2174/1570163816666190125153951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 11/08/2018] [Accepted: 01/19/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND In the past decade CADD has emerged as a rational approach in drug development so with the help molecular docking approach we planned to perform virtual screening of the designed data set of Schiff bases of cinnamaldehyde. The research work will be helpful to put some light on the drug receptor interactions required for anti-inflammatory activity. METHODS For carrying out virtual screening of the developed cinnamaldehyde Schiff base data set, AutoDock 4.0 was used. The active hits identified through in silico screening were synthesized. Anti-inflammatory evaluation was carried out using Carrageenan-induced paw oedema method. RESULTS Compounds V2A44, V2A55, V2A76, V2A82, V2A119, V2A141 and V2A142 has shown highest binding energy (-4.84, -4.76, -4.59, -4.78, -4.74, -4.85 and -4.72 kcal/mol, respectively) and the binding interactions with amino acids namely, Phe478, Glu479, Lys492, Ala493, Asp497 and Ile498. Some of the analogs have shown significant activity and were comparable to Indomethacin (standard drug). CONCLUSION Five new compounds have shown significant activity and the results obtained from in silico studies are parallel to those of in vivo studies.
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Affiliation(s)
- Vaishali M Patil
- Department of Pharmaceutical Chemistry, School of Pharmacy, KIET Group of Institutions, Ghaziabad, Uttar Pradesh, India
| | - Preeti Anand
- Department of Pharmacy, Lala Lajpat Rai Memorial Medical College, Meerut, Uttar Pradesh, India
| | - Monika Bhardwaj
- Department of Pharmaceutical Chemistry, School of Pharmacy, KIET Group of Institutions, Ghaziabad, Uttar Pradesh, India
| | - Neeraj Masand
- Department of Pharmacy, Lala Lajpat Rai Memorial Medical College, Meerut, Uttar Pradesh, India
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9
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Husain I, Ahmad R, Chandra A, Raza ST, Shukla Y, Mahdi F. Phytochemical characterization and biological activity evaluation of ethanolic extract of Cinnamomum zeylanicum. JOURNAL OF ETHNOPHARMACOLOGY 2018; 219:110-116. [PMID: 29408310 DOI: 10.1016/j.jep.2018.02.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 12/29/2017] [Accepted: 02/01/2018] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE India being a multicultural nation, every region of the country offers a distinct culinary flavor and taste. These flavors are attributed to spices and condiments which form the mainstay of Indian cuisine. Most of these spices and condiments are derived from various biodiversity hotspots in India and form the crux of India's multidiverse and multicultural cuisine. Apart from their varying aromas, flavors and tastes, these spices and condiments are known to possess several medicinal properties also. Most of these spices find considerable mention in Ayurveda, the indigenous system of medicine, as panaceas for several aliments. Cinnamomum zeylanicum (CZ), belonging to family Lauraceae and commonly known as cinnamon is one such spice known to have diverse medicinal properties since time immemorial. AIM OF THE STUDY In the present study, apoptotic and anti-microbial activity of ethanolic extract of CZ was evaluated against human breast cancer cell line MDA-MB-231 and compared for its effect on normal kidney epithelial cell line Vero. MATERIALS AND METHODS Ethanolic extract of tree bark of CZ was used to determine the cytotoxic effect on MDA-MB-231 using Trypan blue dye exclusion method and cytometry. The tested dose of the extract was 10-100 µg/mL. Antibacterial activity was determined using disc diffusion method against Staphylococcus aureus and Escherichia coli in the range 2-10 mg/mL. Apoptotic activity was determined using DNA fragmentation assay. RESULTS Ethanolic extract of CZ was found to have an IC50 value of 25 µg/mL against MDA cell line. On the other hand, CZ extract did not have any significant effect on Vero cells even at 100 µg/mL (IC50 > 100 µg/mL). The ethanolic extract of CZ bark showed significant antibacterial activity against S. aureus at 10 mg/mL while no appreciable activity was detected against E. coli. DNA isolated from extract treated cancer cells showed a fragmentation pattern characteristic of apoptosis. However, no DNA fragmentation was observed in DNA isolated from extract treated Vero cells. CONCLUSION Ethanolic bark extract of CZ could be potentially beneficial in treating breast cancer and may be of interest for future studies in developing integrative cancer therapy against proliferation, metastasis, and migration of breast cancer cells.
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Affiliation(s)
- Ishrat Husain
- Dept. of Biochemistry, Era's Lucknow Medical College & Hospital, Era University, Sarfarazganj, Hardoi Road, Lucknow 226003, UP, India.
| | - Rumana Ahmad
- Dept. of Biochemistry, Era's Lucknow Medical College & Hospital, Era University, Sarfarazganj, Hardoi Road, Lucknow 226003, UP, India.
| | - Anu Chandra
- Dept. of Biochemistry, Era's Lucknow Medical College & Hospital, Era University, Sarfarazganj, Hardoi Road, Lucknow 226003, UP, India.
| | - Syed Tasleem Raza
- Dept. of Biochemistry, Era's Lucknow Medical College & Hospital, Era University, Sarfarazganj, Hardoi Road, Lucknow 226003, UP, India.
| | - Yogeshwer Shukla
- Proteomics Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India.
| | - Farzana Mahdi
- Dept. of Biochemistry, Era's Lucknow Medical College & Hospital, Era University, Sarfarazganj, Hardoi Road, Lucknow 226003, UP, India.
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10
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Lyu F, Gao F, Ding Y. Effects of gamma radiation combined with cinnamon oil on qualities of smoked salmon slices inoculated with Shewanella putrefaciens. Food Sci Nutr 2018; 6:806-813. [PMID: 29983943 PMCID: PMC6021692 DOI: 10.1002/fsn3.608] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 01/06/2018] [Accepted: 01/17/2018] [Indexed: 12/02/2022] Open
Abstract
Smoked salmon slices inoculated with Shewanella putrefaciens were untreated (CK) or treated with 2 kGy gamma radiation (G), 1% (v/v) cinnamon oil (C), or the combination of them (G+C), and then packaged and stored at 4°C for 10 days. Microbiological and physiochemical analyses were then carried out. All treatments showed a better effect on inhibiting the increase in total viable counts, total volatile basic nitrogen, and thiobarbituric acid-reactive substances than CK, especially the treatment of G+C. In addition, the combination treatment also showed a best effect on retarding the reduction in polyunsaturated fatty acids of salmon samples in all treatments. These results indicated that treatments of gamma radiation and cinnamon oil on salmon samples, especially the combination treatment, can be used to maintain the quality of smoked salmon slices.
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Affiliation(s)
- Fei Lyu
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
| | - Fei Gao
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
| | - Yuting Ding
- Department of Food Science and TechnologyZhejiang University of TechnologyHangzhouChina
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11
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Ju C, Kim T, Kang H. Renewable, Eugenol-Modified Polystyrene Layer for Liquid Crystal Orientation. Polymers (Basel) 2018; 10:polym10020201. [PMID: 30966237 PMCID: PMC6415104 DOI: 10.3390/polym10020201] [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: 12/14/2017] [Revised: 01/24/2018] [Accepted: 02/13/2018] [Indexed: 11/16/2022] Open
Abstract
We synthesized a series of plant-based and renewable, eugenol-modified polystyrene (PEUG#) (# = 20, 40, 60, 80, and 100, in which # is the molar content of the eugenol moiety in the side group). Eugenol is extracted from clove oil. We used polymer modification reactions to determine the liquid crystal (LC) orientation properties of the polymer films. In general, the LC cells fabricated using the polymer films with a higher molar content of eugenol side groups exhibited vertical LC orientation behavior. The vertical orientation behavior was well correlated with the surface energy value of the polymer films. The vertical LC orientation could be formed due to the low polar surface energy value on the polymer film generated by the nonpolar carbon group. Electro-optical performances (e.g., voltage holding ratio (VHR), residual DC voltage (R-DC), and thermal orientation stabilities) were good enough to be observed for LC cells using PEUG100 polymer as an eco-friendly LC orientation material.
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Affiliation(s)
- Changha Ju
- Department of Chemical Engineering, Dong-A University, 37 Nakdong-Daero 550beon-gil, Saha-gu, Busan 604-714, Korea.
| | - Taehyung Kim
- Department of Chemical Engineering, Dong-A University, 37 Nakdong-Daero 550beon-gil, Saha-gu, Busan 604-714, Korea.
| | - Hyo Kang
- Department of Chemical Engineering, Dong-A University, 37 Nakdong-Daero 550beon-gil, Saha-gu, Busan 604-714, Korea.
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Valencia-Sullca C, Vargas M, Atarés L, Chiralt A. Thermoplastic cassava starch-chitosan bilayer films containing essential oils. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.09.008] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Moein E, Hajimehdipoor H, Hamzeloo-Moghadam M, Choopani R, Toliyat T. Review of an Aloe-Based Formulation Used in Iranian Traditional Medicine. Jundishapur J Nat Pharm Prod 2016. [DOI: 10.17795/jjnpp-40193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Antibacterial metabolites secreted under glucose-limited environment of the mimicked proximal colon model by lactobacilli abundant in infant feces. Appl Microbiol Biotechnol 2016; 100:7651-64. [PMID: 27188778 DOI: 10.1007/s00253-016-7606-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 04/18/2016] [Accepted: 05/02/2016] [Indexed: 12/28/2022]
Abstract
The most abundance of anti-Salmonella lactic acid bacteria (LAB) was found in feces of naturally born, exclusively breastfed Thai infants. Six strains of Lactobacillus plantarum and one strain of Lactobacillus paracasei were selected and identified. In the co-cultivation assay, L. plantarum subsp. plantarum I62 showed the strongest and broadest antibacterial activity against Escherichia coli, Shigella sonnei, Salmonella Paratyphi A, and Salmonella Typhimurium SA 2093 under the mimicked proximal colon condition, in which glucose and other nutrients were limited. According to GC-MS analysis, the major antibacterial contribution of organic acids secreted by L. plantarum I62 grown in the presence of glucose was dramatically reduced from 95.8 to 41.9 % under glucose-limited niche. The production of low-pK a acids, such as lactic, 1,2-benzenedicarboxylic, and 3-phenyllactic acids, was remarkably dropped. Surprisingly, higher-pK a acids such as 5-chlorobenzimidazole-2-carboxylic, pyroglutamic, palmitic, and oleic acids were enhanced. Moreover, cyclic dipeptides, ketones, alkanes, alcohols, and miscellaneous compounds, which were pH-independent antibacterial metabolites, became dominant. The electron microscopy strongly supported the synergistic attacks of the multiple antibacterial components targeting outer and cytoplasmic membranes leading to severe leakage and cell disruption of Salmonella Typhimurium. This strain poses to be a potential probiotic candidate for effectively controlling and treating human foodborne bacterial infection.
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Williams AR, Ramsay A, Hansen TVA, Ropiak HM, Mejer H, Nejsum P, Mueller-Harvey I, Thamsborg SM. Anthelmintic activity of trans-cinnamaldehyde and A- and B-type proanthocyanidins derived from cinnamon (Cinnamomum verum). Sci Rep 2015; 5:14791. [PMID: 26420588 PMCID: PMC4588565 DOI: 10.1038/srep14791] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 09/09/2015] [Indexed: 12/25/2022] Open
Abstract
Cinnamon (Cinnamomum verum) has been shown to have anti-inflammatory and antimicrobial properties, but effects on parasitic worms of the intestine have not been investigated. Here, extracts of cinnamon bark were shown to have potent in vitro anthelmintic properties against the swine nematode Ascaris suum. Analysis of the extract revealed high concentrations of proanthocyanidins (PAC) and trans-cinnamaldehyde (CA). The PAC were subjected to thiolysis and HPLC-MS analysis which demonstrated that they were exclusively procyanidins, had a mean degree of polymerization of 5.2 and 21% of their inter-flavan-3-ol links were A-type linkages. Purification of the PAC revealed that whilst they had activity against A. suum, most of the potency of the extract derived from CA. Trichuris suis and Oesophagostomum dentatum larvae were similarly susceptible to CA. To test whether CA could reduce A. suum infection in pigs in vivo, CA was administered daily in the diet or as a targeted, encapsulated dose. However, infection was not significantly reduced. It is proposed that the rapid absorption or metabolism of CA in vivo may prevent it from being present in sufficient concentrations in situ to exert efficacy. Therefore, further work should focus on whether formulation of CA can enhance its activity against internal parasites.
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Affiliation(s)
- Andrew R. Williams
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Aina Ramsay
- Chemistry and Biochemistry Laboratory, School of Agriculture, Policy and Development, University of Reading, Reading RG6 6AT, United Kingdom
| | - Tina V. A. Hansen
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Honorata M. Ropiak
- Chemistry and Biochemistry Laboratory, School of Agriculture, Policy and Development, University of Reading, Reading RG6 6AT, United Kingdom
| | - Helena Mejer
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Peter Nejsum
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Irene Mueller-Harvey
- Chemistry and Biochemistry Laboratory, School of Agriculture, Policy and Development, University of Reading, Reading RG6 6AT, United Kingdom
| | - Stig M. Thamsborg
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark
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Liu K, Atiyeh HK, Pardo-Planas O, Ramachandriya KD, Wilkins MR, Ezeji TC, Ujor V, Tanner RS. Process development for biological production of butanol from Eastern redcedar. BIORESOURCE TECHNOLOGY 2015; 176:88-97. [PMID: 25460988 DOI: 10.1016/j.biortech.2014.10.148] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 10/26/2014] [Accepted: 10/28/2014] [Indexed: 05/16/2023]
Abstract
Eastern redcedar is an invasive softwood species in Oklahoma and across grasslands in the Central Plains of the United States and potential feedstock for butanol production. Butanol has higher energy content than ethanol and can be upgraded to jet and diesel fuels. The objective of this study was to develop a process for production of butanol from redcedar. Results showed that Clostridium acetobutylicum ATCC 824 and Clostridium beijerinckii NCIMB 8052 did not grow in fermentation medium with citrate buffer. However, both strains grew in the medium with acetate buffer, resulting in 3-4g/L greater butanol than without acetate. Detoxification of redcedar hydrolyzate was required to increase butanol concentration from 1 to 13g/L. Hydrolyzate was detoxified by activated carbon to remove inhibitors. Fermentations in detoxified redcedar hydrolyzate reached 13g/L butanol and 19g/L total ABE, comparable to glucose control. This shows the potential for redcedar use in butanol production.
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Affiliation(s)
- Kan Liu
- Biosystems and Agricultural Engineering Department, Oklahoma State University, Stillwater, OK, USA
| | - Hasan K Atiyeh
- Biosystems and Agricultural Engineering Department, Oklahoma State University, Stillwater, OK, USA.
| | - Oscar Pardo-Planas
- Biosystems and Agricultural Engineering Department, Oklahoma State University, Stillwater, OK, USA
| | | | - Mark R Wilkins
- Biosystems and Agricultural Engineering Department, Oklahoma State University, Stillwater, OK, USA
| | - Thaddeus C Ezeji
- Department of Animal Sciences, The Ohio State University, and Ohio State Agricultural Research and Development Center, Wooster, OH, USA
| | - Victor Ujor
- Department of Animal Sciences, The Ohio State University, and Ohio State Agricultural Research and Development Center, Wooster, OH, USA
| | - Ralph S Tanner
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK, USA
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Natural cinnamic acids, synthetic derivatives and hybrids with antimicrobial activity. Molecules 2014; 19:19292-349. [PMID: 25429559 PMCID: PMC6271800 DOI: 10.3390/molecules191219292] [Citation(s) in RCA: 218] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 11/14/2014] [Accepted: 11/18/2014] [Indexed: 01/05/2023] Open
Abstract
Antimicrobial natural preparations involving cinnamon, storax and propolis have been long used topically for treating infections. Cinnamic acids and related molecules are partly responsible for the therapeutic effects observed in these preparations. Most of the cinnamic acids, their esters, amides, aldehydes and alcohols, show significant growth inhibition against one or several bacterial and fungal species. Of particular interest is the potent antitubercular activity observed for some of these cinnamic derivatives, which may be amenable as future drugs for treating tuberculosis. This review intends to summarize the literature data on the antimicrobial activity of the natural cinnamic acids and related derivatives. In addition, selected hybrids between cinnamic acids and biologically active scaffolds with antimicrobial activity were also included. A comprehensive literature search was performed collating the minimum inhibitory concentration (MIC) of each cinnamic acid or derivative against the reported microorganisms. The MIC data allows the relative comparison between series of molecules and the derivation of structure-activity relationships.
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Lopes FA, Soares NDFF, Lopes CDCP, Silva WAD. Desenvolvimento e caracterização de filmes de base celulósica incorporados com aldeído cinâmico. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2014. [DOI: 10.1590/bjft.2014.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Filmes antimicrobianos foram desenvolvidos com a incorporação de aldeído cinâmico nas concentrações de 5%, 10% e 20% v/p. Suas atividades de inibição do crescimento foram avaliadas para as bactérias Staphylococcus aureus, Listeria monocytogenes e Escherichia coli e para os fungos Fusarium oxysporum e Aspergillus flavus. As propriedades mecânicas dos filmes também foram avaliadas. Para as bactérias, à exceção de E. coli, foram observados halos de inibição que aumentaram proporcionalmente ao aumento da concentração de aldeído cinâmico no filme. A espessura média dos filmes utilizados, independentemente da concentração, foi de 32,47 µm e a média de deformação relativa na carga máxima dos filmes foi de 2,05% a 8 ºC e 1,73% a 25 ºC. O filme contendo 10% de aldeído cinâmico apresentou carga máxima de deformação de 108,27 N (Newton), significativamente menor (p<0,05) que os filmes com 0% e 5%. Os resultados mostraram que o uso de filmes incorporados com aldeído cinâmico é uma alternativa como embalagem ativa para o controle do crescimento de micro-organismos em produtos alimentícios.
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Impregnation of cinnamaldehyde into cassava starch biocomposite films using supercritical fluid technology for the development of food active packaging. Carbohydr Polym 2014; 102:830-7. [DOI: 10.1016/j.carbpol.2013.10.082] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 10/26/2013] [Accepted: 10/29/2013] [Indexed: 11/22/2022]
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Souza A, Goto G, Mainardi J, Coelho A, Tadini C. Cassava starch composite films incorporated with cinnamon essential oil: Antimicrobial activity, microstructure, mechanical and barrier properties. Lebensm Wiss Technol 2013. [DOI: 10.1016/j.lwt.2013.06.017] [Citation(s) in RCA: 115] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Gupta A, Duhan J, Tewari S, Sangwan P, Yadav A, Singh G, Juneja R, Saini H. Comparative evaluation of antimicrobial efficacy of Syzygium aromaticum, Ocimum sanctum and Cinnamomum zeylanicum plant extracts against Enterococcus faecalis: a preliminary study. Int Endod J 2013; 46:775-83. [PMID: 23506110 DOI: 10.1111/iej.12058] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Accepted: 01/01/2013] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the antimicrobial efficacy of Ocimum sanctum, Cinnamomum zeylanicum, Syzygium aromaticum and 3% sodium hypochlorite (NaOCl) against Enterococcus faecalis in planktonic suspension and biofilm phenotypes. METHODOLOGY The antibacterial efficacy of different concentrations of aqueous ethanolic extracts of O. sanctum, C. zeylanicum and S. aromaticum against E. faecalis at various time intervals was assessed using the agar well diffusion test, microdilution test and biofilm susceptibility assay (BSA) on cellulose nitrate membrane as well as in a tooth model. NaOCl was used as the positive control. Distilled water was used as negative control for agar diffusion and microdilution tests and phosphate-buffered saline for the BSA. The results of the agar diffusion test were analysed statistically using anova and Tukey's tests. RESULTS Cinnamomum zeylanicum, S. aromaticum and O. sanctum exhibited minimum bactericidal concentration at 10%, 10% and 40%, respectively. Cinnamomum zeylanicum, S. aromaticum, O. sanctum and NaOCl showed complete bacterial inhibition in planktonic form after exposure of 30, 15, 35 and 1 min, respectively. In BSA on cellulose nitrate membrane, NaOCl was associated with complete bacterial inhibition after contact of 2 min, whilst 10% C. zeylanicum, 10% S. aromaticum and 40% O. sanctum showed cessation of growth after 12, 12 and 24 h, respectively. The results of BSA on tooth model were similar except for O. sanctum, which was not included in the model. CONCLUSION Cinnamomum zeylanicum, S. aromaticum and O. sanctum demonstrated antimicrobial activity against planktonic and biofilm forms of E. faecalis with C. zeylanicum and S. aromaticum having better antimicrobial efficacy than O. sanctum. NaOCl had superior antimicrobial efficacy amongst all the groups.
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Affiliation(s)
- A Gupta
- Department of Conservative Dentistry & Endodontics, Post Graduate Institute of Dental Sciences, Rohtak, Haryana, India
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Yossa N, Patel J, Macarisin D, Millner P, Murphy C, Bauchan G, Lo YM. Antibacterial Activity of Cinnamaldehyde and Sporan against Escherichia coli
O157:H7 and Salmonella. J FOOD PROCESS PRES 2012. [DOI: 10.1111/jfpp.12026] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nadine Yossa
- Department of Nutrition and Food Science; University of Maryland; College Park MD
| | - Jitendra Patel
- Environmental Microbial and Food Safety Laboratory; Beltsville Agricultural Research Center (BARC); United States Department of Agriculture - Agricultural Research Service (USDA-ARS); 10300 Baltimore Avenue, Bldg. 201, BARC-East Beltsville MD 20705
| | - Dumitru Macarisin
- Environmental Microbial and Food Safety Laboratory; Beltsville Agricultural Research Center (BARC); United States Department of Agriculture - Agricultural Research Service (USDA-ARS); 10300 Baltimore Avenue, Bldg. 201, BARC-East Beltsville MD 20705
| | - Patricia Millner
- Environmental Microbial and Food Safety Laboratory; Beltsville Agricultural Research Center (BARC); United States Department of Agriculture - Agricultural Research Service (USDA-ARS); 10300 Baltimore Avenue, Bldg. 201, BARC-East Beltsville MD 20705
| | - Charles Murphy
- Electron and Confocal Microscopy Unit; USDA-ARS; Beltsville MD
| | - Gary Bauchan
- Electron and Confocal Microscopy Unit; USDA-ARS; Beltsville MD
| | - Y. Martin Lo
- Department of Nutrition and Food Science; University of Maryland; College Park MD
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Ngoc TM, Khoi NM, Ha DT, Nhiem NX, Tai BH, Don DV, Luong HV, Son DC, Bae K. Xanthine oxidase inhibitory activity of constituents of Cinnamomum cassia twigs. Bioorg Med Chem Lett 2012; 22:4625-8. [PMID: 22677314 DOI: 10.1016/j.bmcl.2012.05.051] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 05/10/2012] [Accepted: 05/14/2012] [Indexed: 11/16/2022]
Abstract
A methanol extract of the twigs of Cinnamomum cassia was found to inhibit xanthine oxidase. Purification of the methanol extract afforded three new phenolic glycosides, cinnacasolide A-C (11-13), together with 10 known compounds (1-10). The structures of the three new compounds were determined by interpretation of spectroscopic data. Cinnamaldehyde derivatives 1-5 and 7 were significant inhibitors of xanthine oxidase, with IC(50) values ranging from 7.8 to 36.3 μg/mL. The results indicate that the acyl group of these cinnamaldehyde derivatives plays an important role in the inhibition of xanthine oxidase.
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Affiliation(s)
- Tran Minh Ngoc
- National Institute of Medicinal Materials, Hanoi, Viet Nam
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24
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Yossa N, Patel J, Millner P, Lo YM. Essential oils reduce Escherichia coli O157:H7 and Salmonella on spinach leaves. J Food Prot 2012; 75:488-96. [PMID: 22410222 DOI: 10.4315/0362-028x.jfp-11-344] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The efficacy of cinnamaldehyde and Sporan for reducing Escherichia coli O157:H7 and Salmonella on spinach leaves was investigated. Spinach leaves were inoculated with a five-strain cocktail of Salmonella or E. coli O157:H7, air dried for ca. 30 min, and then immersed in a treatment solution containing 5 ppm of free chlorine, cinnamaldehyde, or Sporan (800 and 1,000 ppm) alone or in combination with 200 ppm of acetic acid (20%) for 1 min or with water (control). After spin drying, treated leaves were analyzed periodically during 14 days of storage at 4°C for Salmonella, E. coli O157:H7, total coliforms, mesophilic and psychrotrophic bacteria, and yeasts and molds. Treatment effects on color and texture of leaves also were determined. Sporan alone (1,000S), Sporan plus acetic acid (1,000SV), and cinnamaldehyde-Tween (800T) reduced E. coli O157:H7 by more than 3 log CFU/g (P < 0.05), and 1,000SV treatment reduced Salmonella by 2.5 log CFU/g on day 0. E. coli O157:H7 and Salmonella populations on treated spinach leaves declined during storage at 4°C. The 1,000SV treatment was superior to chlorine and other treatments for reducing E. coli O157:H7 during storage. Saprophytic microbiota on spinach leaves increased during storage at 4°C but remained lower on leaves treated with Sporan (800S) and Sporan plus acetic acid (1,000SV) than on control leaves. The color and texture of Sporan-treated leaves were not significantly different from those of the control leaves after 14 days. Sporan plus acetic acid (1,000SV) reduced E. coli O157:H7 and Salmonella on baby spinach leaves without adverse effects on leaf color and texture.
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Affiliation(s)
- Nadine Yossa
- Department of Nutrition and Food Science, University of Maryland, 3102 Marie Mount Hall, College Park, Maryland 20742, USA
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Giner M, Avilla J, Balcells M, Caccia S, Smagghe G. Toxicity of allyl esters in insect cell lines and in Spodoptera littoralis larvae. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2012; 79:18-30. [PMID: 23589218 DOI: 10.1002/arch.21002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We investigated the effects of five allyl esters, two aromatic (allyl cinnamate and allyl 2-furoate) and three aliphatic (allyl hexanoate, allyl heptanoate, and allyl octanoate) in established insect cell lines derived from different species and tissues. We studied embryonic cells of the fruit fly Drosophila melanogaster (S2) (Diptera) and the beet armyworm Spodoptera exigua (Se4) (Lepidoptera), fat body cells of the Colorado potato beetle Leptinotarsa decemlineata (CPB) (Coleoptera), ovarian cells of the silkmoth Bombyx mori (Bm5), and midgut cells of the spruce budworm Choristoneura fumiferana (CF203) (Lepidoptera). Cytotoxicity was determined with use of MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] and trypan blue. In addition, we tested the entomotoxic action of allyl cinnamate against the cotton leafworm Spodoptera littoralis .The median (50%) cytotoxic concentrations (EC₅₀s) of the five allyl esters in the MTT bioassays ranged between 0.25 and 27 mM with significant differences among allyl esters (P = 0.0012), cell lines (P < 0.0001), and the allyl ester-cell line interaction (P < 0.0001). Allyl cinnamate was the most active product, and CF203 the most sensitive cell line. In the trypan blue bioassays, cytotoxicity was produced rapidly and followed the same trend observed in the MTT bioassay. In first instars of S. littoralis, allyl cinnamate killed all larvae at 0.25% in the diet after 1 day, while this happened in third instars after 5 days. The LC₅₀ in first instars was 0.08%. In addition, larval weight gain was reduced (P < 0.05) after 1 day of feeding on diet with 0.05%. In conclusion, the data provide evidence of the significant but differential cytotoxicity among allyl esters in insect cells of different species and tissues. Midgut cells show high sensitivity, indicating the insect midgut as a primary target tissue. Allyl cinnamate caused rapid toxic effects in S. littoralis larvae at low concentrations, suggesting further potential for use in pest control.
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Affiliation(s)
- Marta Giner
- Department of Crop Production and Forestry Sciences, University of Lleida, Rovira Roure 191, Lleida, Spain.
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MOAREFIAN M, BARZEGAR M, SATTARI M. CINNAMOMUM ZEYLANICUMESSENTIAL OIL AS A NATURAL ANTIOXIDANT AND ANTIBACTRIAL IN COOKED SAUSAGE. J Food Biochem 2011. [DOI: 10.1111/j.1745-4514.2011.00600.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Djenane D, Yangüela J, Amrouche T, Boubrit S, Boussad N, Roncalés P. Chemical composition and antimicrobial effects of essential oils of Eucalyptus globulus, Myrtus communis and Satureja hortensis against Escherichia coli O157:H7 and Staphylococcus aureus in minced beef. FOOD SCI TECHNOL INT 2011; 17:505-15. [PMID: 22049156 DOI: 10.1177/1082013211398803] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Essential oils (EOs) extracted by hydrodistillation from leaf parts of Algerian Eucalyptus globulus, Myrtus communis and Satureja hortensis were analyzed by gas chromatography/mass spectrometry (GC/MS). The main components of EOs obtained were γ-terpinene (94.48%), 1,8-cineole (46.98%) and carvacrol (46.10%), respectively, for E. globulus, M. communis and S. hortensis. The in vitro antimicrobial activity of the EOs was evaluated against Staphylococcus aureus CECT 4459 and Escherichia coli O157:H7 CECT 4267 using the agar diffusion technique. Results revealed that E. globulus and S. hortensis EOs had more antibacterial effects than that from M. communis. Minimal inhibitory concentrations (MIC) showed a range of 0.05-0.22% (volume by volume [v/v]). Sensitivity of gram-positive S. aureus was much higher than that of gram-negative E. coli. Plant EOs were added to minced beef (two-fold MIC value) at 0.10-0.44%, experimentally inoculated with the same pathogens at a level of 5 × 10(5) colony forming units (cfu)/g and stored at 5 ± 2 °C. Results showed that the EOs of E. globulus and S. hortensis had remarkable antibacterial properties, higher than that of M. communis, against S. aureus and E. coli. Indeed, a reduction of 5.8 log cfu/g (70.74% of reduction) was recorded after 7 days of storage for S. hortensis against E. coli. However, regarding S. aureus, both S. hortensis and E. globulus caused a highly significant (p < 0.05) decrease of microbial counts, most evident after 5 days of storage; S. aureus numbers were 3.50 and 2.50 cfu/g, respectively, corresponding to a reduction of 2.20 and 3.20 log cfu/g (38.60 and 56.14% of reduction) after 1 week of storage. Sensory evaluation revealed that the aroma of minced beef meat treated with EOs was acceptable by panelists at the levels used.
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Affiliation(s)
- D Djenane
- Département de Biochimie et de Microbiologie, Université Mouloud Mammeri. BP 17-15000-Tizi-Ouzou, Algeria
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Effects of dietary supplementation with phytonutrients on vaccine-stimulated immunity against infection with Eimeria tenella. Vet Parasitol 2011; 181:97-105. [PMID: 21676547 DOI: 10.1016/j.vetpar.2011.05.003] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Revised: 04/28/2011] [Accepted: 05/03/2011] [Indexed: 01/22/2023]
Abstract
Two phytonutrient mixtures, VAC (carvacrol, cinnamaldehyde, and Capsicum oleoresin), and MC (Capsicum oleoresin and turmeric oleoresin), were evaluated for their effects on chicken immune responses following immunization with an Eimeria profilin protein. Chickens were fed with a non-supplemented diet, or with VAC- or MC-supplemented diets, immunized with profilin, and orally challenged with virulent oocysts of Eimeria tenella. Immunity against infection was evaluated by body weight, fecal oocyst shedding, profilin antibody levels, lymphocyte recall responses, cytokine expression, and lymphocyte subpopulations. Following immunization and infection, chickens fed the VAC- or MC-supplemented diets showed increased body weights, greater profilin antibody levels, and/or greater lymphocyte proliferation compared with non-supplemented controls. Prior to Eimeria infection, immunized chickens on the MC-supplemented diet showed reduced IFN-γ and IL-6 levels, but increased expression of TNFSF15, compared with non-supplemented controls. Post-infection levels of IFN-γ and IL-6 were increased, while IL-17F transcripts were decreased, with MC-supplementation. For VAC-supplemented diets, decreased IL-17F and TNFSF15 levels were observed only in infected chickens. Finally, immunized chickens fed the MC-supplemented diet exhibited increased MHC class II(+), CD4(+), CD8(+), TCR1+, or TCR2(+) T cells compared with nonsupplemented controls. Animals on the VAC-containing diet only displayed an increase in K1(+) macrophages. In conclusion, dietary supplementation with VAC or MC alters immune parameters following recombinant protein vaccination against avian coccidiosis.
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Ng LT, Wu SJ. Antiproliferative Activity of Cinnamomum cassia Constituents and Effects of Pifithrin-Alpha on Their Apoptotic Signaling Pathways in Hep G2 Cells. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:492148. [PMID: 20038571 PMCID: PMC3135661 DOI: 10.1093/ecam/nep220] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2009] [Accepted: 11/25/2009] [Indexed: 12/14/2022]
Abstract
Cinnamaldehyde (Cin), cinnamic acid (Ca) and cinnamyl alcohol (Cal), major constituents of Cinnamomum cassia, have been shown to possess antioxidant, anti-inflammatory, anticancer and other activities. In this study, our aim was to evaluate the antiproliferative activity of these compounds in human hepatoma Hep G2 cells and examine the effects of pifithrin-alpha (PFTα; a specific p53 inhibitor) on their apoptotic signaling transduction mechanism. The antiproliferative activity was measured by XTT assay. Expression of apoptosis-related proteins was detected by western blotting. Results showed that at a concentration of 30 μM, the order of antiproliferative activity in Hep G2 cells was Cin > Ca > Cal. Cin (IC(50) 9.76 ± 0.67 μM) demonstrated an antiproliferative potency as good as 5-fluorouracil (an anti-cancer drug; IC(50) 9.57 ± 0.61 μM). Further studies on apoptotic mechanisms of Cin showed that it downregulated the expression of Bcl-(XL), upregulated CD95 (APO-1), p53 and Bax proteins, as well as cleaving the poly (ADP-ribose) polymerase (PARP) in a time-dependent pattern. PFTα pre-incubation significantly diminished the effect of Cin-induced apoptosis. It markedly upregulated the anti-apoptotic (Bcl-(XL)) expression and downregulated the pro-apoptotic (Bax) expression, as well as effectively blocking the CD95 (APO-1) and p53 expression, and PARP cleavage in Cin-treated cells. This study indicates that Cin was the most potent antiproliferative constituent of C. cassia, and its apoptotic mechanism in Hep G2 cells could be mediated through the p53 induction and CD95 (APO-1) signaling pathways.
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Affiliation(s)
- Lean-Teik Ng
- Department of Agricultural Chemistry, National Taiwan University, No.1, Roosevelt Road Section 4, Taipei 106, Taiwan
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Cinnamaldehyde enhances in vitro parameters of immunity and reduces in vivo infection against avian coccidiosis. Br J Nutr 2011; 106:862-9. [DOI: 10.1017/s0007114511001073] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The effects of cinnamaldehyde (CINN) on in vitro parameters of immunity and in vivo protection against avian coccidiosis were evaluated. In vitro stimulation of chicken spleen lymphocytes with CINN (25–400 ng/ml) induced greater cell proliferation compared with the medium control (P < 0·001). CINN activated cultured macrophages to produce higher levels of NO at 1·2–5·0 μg/ml (P < 0·001), inhibited the growth of chicken tumour cells at 0·6–2·5 μg/ml (P < 0·001) and reduced the viability of Eimeriatenella parasites at 10 and 100 μg/ml (P < 0·05 and P < 0·001, respectively), compared with media controls. In chickens fed a diet supplemented with CINN at 14·4 mg/kg, the levels of IL-1β, IL-6, IL-15 and interferon-γ transcripts in intestinal lymphocytes were 2- to 47-fold higher (P < 0·001) compared with chickens given a non-supplemented diet. To determine the effect of CINN diets on avian coccidiosis, chickens were fed diets supplemented with CINN at 14·4 mg/kg (E. maxima or E. tenella) or 125 mg/kg (E. acervulina) from hatch for 24 d, and orally infected with 2·0 × 104 sporulated oocysts at age 14 d. CINN-fed chickens showed 16·5 and 41·6 % increased body-weight gains between 0–9 d post-infection (DPI) with E. acervulina or E. maxima, reduced E. acervulina oocyst shedding between 5–9 DPI and increased E. tenella-stimulated parasite antibody responses at 9 DPI compared with controls.
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Kim SY, Koo YK, Koo JY, Ngoc TM, Kang SS, Bae K, Kim YS, Yun-Choi HS. Platelet Anti-Aggregation Activities of Compounds from Cinnamomum cassia. J Med Food 2010; 13:1069-74. [DOI: 10.1089/jmf.2009.1365] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Sun Young Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Yean Kyoung Koo
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Ja Yong Koo
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Tran Minh Ngoc
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Sam Sik Kang
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - KiHwan Bae
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Yeong Sik Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Hye Sook Yun-Choi
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
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Schirmer BC, Langsrud S. Evaluation of natural antimicrobials on typical meat spoilage bacteria in vitro and in vacuum-packed pork meat. J Food Sci 2010; 75:M98-M102. [PMID: 20492248 DOI: 10.1111/j.1750-3841.2009.01485.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The aim of this study was to investigate the inhibitory effect of natural antimicrobials on the growth of typical spoilage bacteria from marinated pork. Minimum inhibitory concentrations (MIC) of thymol, cinnamaldehyde, allyl isothiocyanate, citric acid, ascorbic acid, a rosemary extract, and a grapefruit seed extract against Lactobacillus algidus, Leuconostoc mesenteroides, Leuconostoc carnosum, Carnobacterium maltaromaticum, Carnobacterium divergens, Brochothrix thermosphacta, and Serratia proteamaculans were determined in a microplate assay. Combinations of antimicrobials were tested and several combinations showed synergistic effects in inhibiting bacterial growth. Single and combined antimicrobials were added to vacuum-packed pork meat to evaluate preserving effects. Antimicrobial concentrations of up to 10 times the MIC values showed no effect on total bacterial growth in vacuum packed pork meaning that although most antimicrobials inhibited the growth of spoilage bacteria in vitro, results from the microplate assay could not be transferred to the meat system. Most natural antimicrobials possess strong odor and flavor that limit their use as a food preservative. In conclusion, this study showed that the use of natural antimicrobials in meat products is limited and that bacterial quality and shelf life was not enhanced under the chosen conditions.
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Gutiérrez L, Batlle R, Sánchez C, Nerín C. New Approach to Study the Mechanism of Antimicrobial Protection of an Active Packaging. Foodborne Pathog Dis 2010; 7:1063-9. [DOI: 10.1089/fpd.2009.0516] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Laura Gutiérrez
- Department of Analytical Chemistry, Aragon Institute of Engineering Research (I3A), CPS, University of Zaragoza, Zaragoza, Spain
| | - Ramón Batlle
- Department of I+D+i, ARTIBAL S.A., Sabiñánigo, Spain
| | | | - Cristina Nerín
- Department of Analytical Chemistry, Aragon Institute of Engineering Research (I3A), CPS, University of Zaragoza, Zaragoza, Spain
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Lv GP, Huang WH, Yang FQ, Li J, Li SP. Pressurized liquid extraction and GC-MS analysis for simultaneous determination of seven components in Cinnamomum cassia and the effect of sample preparation. J Sep Sci 2010; 33:2341-8. [DOI: 10.1002/jssc.201000208] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Baseri H, Haghighi-Asl A, Lotfollahi MN. Effects of Operating Parameters on the Cinnamaldehyde Content of Extracted Essential Oil Using Various Methods. Chem Eng Technol 2010. [DOI: 10.1002/ceat.200900263] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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36
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Divya KH, Varadaraj MC. Response Surface Plots for the Behavioral Pattern of Yersinia enterocolitica in Chocolate Milk as Affected by Trans-Cinnamaldehyde, a Spice Essential Oil Constituent. FOOD BIOPROCESS TECH 2009. [DOI: 10.1007/s11947-009-0297-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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37
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Ngoc T, Ha D, Lee IS, Min BS, Na MK, Jung HJ, Lee SM, Bae KH. Two New Diterpenes from the Twigs ofCinnamomum cassia. Helv Chim Acta 2009. [DOI: 10.1002/hlca.200900135] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ngoc TM, Lee I, Ha DT, Kim H, Min B, Bae K. Tyrosinase-inhibitory constituents from the twigs of Cinnamomum cassia. JOURNAL OF NATURAL PRODUCTS 2009; 72:1205-1208. [PMID: 19555125 DOI: 10.1021/np900031q] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A methanol extract of the twigs of Cinnamomum cassia was found to possess inhibitory activity against tyrosinase. Purification of the MeOH extract afforded four new phenolics, cassiferaldehyde (6), icariside DC (9), cinnacassinol (10), and dihydrocinnacasside (13), together with 10 known compounds (1-5, 7-12, and 14). The structures of the new compounds were determined by spectroscopic data interpretation. Compounds 1-6 and 8-13 showed strong inhibitory activity against tyrosinase, with IC(50) values ranging from 0.24 to 0.94 mM.
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Affiliation(s)
- Tran Minh Ngoc
- College of Pharmacy, Chungnam National University, Daejeon 305-764, South Korea
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40
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Schirmer BC, Heiberg R, Eie T, Møretrø T, Maugesten T, Carlehøg M, Langsrud S. A novel packaging method with a dissolving CO(2) headspace combined with organic acids prolongs the shelf life of fresh salmon. Int J Food Microbiol 2009; 133:154-60. [PMID: 19523706 DOI: 10.1016/j.ijfoodmicro.2009.05.015] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2009] [Revised: 05/13/2009] [Accepted: 05/14/2009] [Indexed: 10/20/2022]
Abstract
The aim of this study was to evaluate a novel packaging method for fresh fish and to determine its effect on the bacterial growth in fresh salmon. Fresh salmon was packed with a small amount of 100% CO(2) (gas/product ratio 0.2/1.0 v/v) and a brine solution containing various combinations of citric acid (3% w/w, pH 5), acetic acid (1% w/w, pH 5) and cinnamaldehyde (200 microg/ml). Total bacterial counts, counts of sulphur reducing bacteria, lactic acid bacteria and Enterobacteriaceae as well as the bacterial composition in the product after storage were determined. The combination of CO(2) and organic acids completely inhibited bacterial growth during 14 days of storage at 4 degrees C both in inoculation experiments and in experiments on salmon with natural background flora. CO(2), acetic acid and citric acid alone each inhibited the growth of total bacterial counts, lactic acid bacteria, sulphur reducing bacteria and Enterobacteriaceae, but effects were enhanced in combinations. The addition of cinnamaldehyde did not influence bacterial growth. Analysis of the bacterial flora of salmon inoculated with different spoilage bacteria showed that Photobacterium phosphoreum and Carnobacterium maltaromaticum remained the dominating species after inoculation while Yersinia aldovae, Aeromonas salmonicida and Shewanella putrefaciens were outcompeted by other species. In addition, lactic acid bacteria from the natural background flora grew to high numbers. Combinations of CO(2) and acetic acid reduced the relative abundance of P. phosphoreum. All CO(2) dissolved in the product, thereby creating a product with the outer appearance of a vacuum package. Further work is needed to determine consumer acceptability of acid concentrations and to implement the packaging method for industrial purposes. However, implication of this packaging method in the industry may lead to a new packaging technology, combining the advantages of vacuum packaging (low space requirement) and modified atmosphere packaging (antimicrobial effect of CO(2)).
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Michiels J, Missotten J, Fremaut D, De Smet S, Dierick N. In vitro characterisation of the antimicrobial activity of selected essential oil components and binary combinations against the pig gut flora. Anim Feed Sci Technol 2009. [DOI: 10.1016/j.anifeedsci.2009.01.004] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Neumann M, Mittelstädt G, Iobbi-Nivol C, Saggu M, Lendzian F, Hildebrandt P, Leimkühler S. A periplasmic aldehyde oxidoreductase represents the first molybdopterin cytosine dinucleotide cofactor containing molybdo-flavoenzyme from Escherichia coli. FEBS J 2009; 276:2762-74. [PMID: 19368556 DOI: 10.1111/j.1742-4658.2009.07000.x] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Three DNA regions carrying genes encoding putative homologs of xanthine dehydrogenases were identified in Escherichia coli, named xdhABC, xdhD, and yagTSRQ. Here, we describe the purification and characterization of gene products of the yagTSRQ operon, a molybdenum-containing iron-sulfur flavoprotein from E. coli, which is located in the periplasm. The 135 kDa enzyme comprised a noncovalent (alpha beta gamma) heterotrimer with a large (78.1 kDa) molybdenum cofactor (Moco)-containing YagR subunit, a medium (33.9 kDa) FAD-containing YagS subunit, and a small (21.0 kDa) 2 x [2Fe2S]-containing YagT subunit. YagQ is not a subunit of the mature enzyme, and the protein is expected to be involved in Moco modification and insertion into YagTSR. Analysis of the form of Moco present in YagTSR revealed the presence of the molybdopterin cytosine dinucleotide cofactor. Two different [2Fe2S] clusters, typical for this class of enzyme, were identified by EPR. YagTSR represents the first example of a molybdopterin cytosine dinucleotide-containing protein in E. coli. Kinetic characterization of the enzyme revealed that YagTSR converts a broad spectrum of aldehydes, with a preference for aromatic aldehydes. Ferredoxin instead of NAD(+) or molecular oxygen was used as terminal electron acceptor. Complete growth inhibition of E. coli cells devoid of genes from the yagTSRQ operon was observed by the addition of cinnamaldehyde to a low-pH medium. This finding shows that YagTSR might have a role in the detoxification of aromatic aldehydes for E. coli under certain growth conditions.
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Affiliation(s)
- Meina Neumann
- Institute of Biochemistry and Biology, University of Potsdam, Germany
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43
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Tzortzakis NG. Impact of cinnamon oil-enrichment on microbial spoilage of fresh produce. INNOV FOOD SCI EMERG 2009. [DOI: 10.1016/j.ifset.2008.09.002] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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MUTHUSWAMY S, RUPASINGHE H, STRATTON G. ANTIMICROBIAL EFFECT OF CINNAMON BARK EXTRACT ON ESCHERICHIA COLI O157:H7, LISTERIA INNOCUA AND FRESH-CUT APPLE SLICES. J Food Saf 2008. [DOI: 10.1111/j.1745-4565.2008.00129.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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45
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Chang CW, Chang WL, Chang ST, Cheng SS. Antibacterial activities of plant essential oils against Legionella pneumophila. WATER RESEARCH 2008; 42:278-86. [PMID: 17659763 DOI: 10.1016/j.watres.2007.07.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2006] [Revised: 06/14/2007] [Accepted: 07/11/2007] [Indexed: 05/16/2023]
Abstract
The objective of this study was to determine the antimicrobial activity of essential oils (EOs) extracted from Cinnamomum osmophloeum leaves and different tissues of Cryptomeria japonica against pathogenic Legionella pneumophila at 42 degrees C. Ten kinds of EOs were extracted by water distillation and their chemical constituents were quantified by gas chromatography-mass spectroscopy (GC-MS). The results showed that cinnamon leaf EO possessed stronger anti-L. pneumophila activity than C. japonica EO. In particular, the highest bactericidal effect was noted in contact with C. osmophloeum leaf EO of cinnamaldehyde type (characterized by its major constituent of cinnamaldehyde accounting for 91.3% of EO), regardless of contacted cell concentration (2 and 4 log CFU ml(-1)) or exposure time (10 and 60 min). Cinnamaldehyde is responsible for anti-L. pneumophila activity based on the results of antimicrobial testing and statistical analysis. Stepwise regression analyses show that EO concentration is the most significant factor affecting the bioactivity of EO. It is concluded that C. osmophloeum leaf oil of cinnamaldehyde type and its major constituent, cinnamaldehyde, possess strong anti-L. pneumophila activities, and have the great potential to be used as an antibacterial agent to control legionellosis associated with hot tubs and spa facilities widely used in homes and resorts.
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Affiliation(s)
- Ching-Wen Chang
- Institute of Environmental Health, College of Public Health, National Taiwan University, Taipei 100, Taiwan, Republic of China.
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46
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Lee SH, Chang KS, Su MS, Huang YS, Jang HD. Effects of some Chinese medicinal plant extracts on five different fungi. Food Control 2007. [DOI: 10.1016/j.foodcont.2006.12.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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47
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López-Malo A, Barreto-Valdivieso J, Palou E, Martín FS. Aspergillus flavus growth response to cinnamon extract and sodium benzoate mixtures. Food Control 2007. [DOI: 10.1016/j.foodcont.2006.04.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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48
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Sofia PK, Prasad R, Vijay VK, Srivastava AK. Evaluation of antibacterial activity of Indian spices against common foodborne pathogens. Int J Food Sci Technol 2007. [DOI: 10.1111/j.1365-2621.2006.01308.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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49
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Effect of phenolic aldehydes and flavonoids on growth and inactivation of Oenococcus oeni and Lactobacillus hilgardii. Food Microbiol 2007; 25:105-12. [PMID: 17993383 DOI: 10.1016/j.fm.2007.07.004] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2007] [Revised: 07/04/2007] [Accepted: 07/20/2007] [Indexed: 11/22/2022]
Abstract
The aim of this work was to investigate the effect of wine phenolic aldehydes, flavonoids and tannins on growth and viability of strains of Oenococcus oeni and Lactobacillus hilgardii. Cultures were grown in ethanol-containing MRS/TJ medium supplemented with different concentrations of phenolic aldehydes or flavonoids and monitored spectrophotometrically. The effect of tannins was evaluated by monitoring the progressive inactivation of cells in ethanol-containing phosphate buffer supplemented with grape seed extracts with different molecular weight tannins. Of the phenolic aldehydes tested, sinapaldehyde, coniferaldehyde, p-hydroxybenzaldehyde, 3,4-dihydroxybenzaldehyde and 3,4,5-trihydroxybenzaldehyde significantly inhibited the growth of O. oeni VF, while vanillin and syringaldehyde had no effect at the concentrations tested. Lact. hilgardii 5 was only inhibited by sinapaldehyde and coniferaldehyde. Among the flavonoids, quercetin and kaempferol exerted an inhibitory effect especially on O. oeni VF. Myricetin and the flavan-3-ols studied (catechin and epicatechin) did not affect considerably the growth of both strains. Condensed tannins (particularly tetramers and pentamers) were found to strongly affect cell viability, especially in the case of O. oeni VF. In general, this strain was found to be more sensitive than Lact. hilgardii 5 to the phenolic compounds studied. This work contributes to the knowledge of the effect of different phenolic compounds on the activity of wine lactic acid bacteria, which, especially in the case of aldehydes and of different molecular weight fractions of tannins, is very scarce.
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Kong B, Wang J, Xiong YL. Antimicrobial activity of several herb and spice extracts in culture medium and in vacuum-packaged pork. J Food Prot 2007; 70:641-7. [PMID: 17388053 DOI: 10.4315/0362-028x-70.3.641] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Extracts prepared from honeysuckle, Scutellaria, Forsythia suspensa (Thunb), cinnamon, and rosemary with 75% ethanol and from clove oil dissolved in 75% ethanol were applied to inoculated agar media to observe their inhibitory effects on the growth of Escherichia coli, Pseudomonas fluorescens, and Lactobacillus plantarum. All the extracts suppressed the growth of these bacteria; Scutellaria exhibited the strongest effect against E. coli. An orthogonal test revealed that the most effective antimicrobial composite extracts were equal-volume mixtures of 0.125 g/ml Scutellaria + 0.5 g/ml honeysuckle + 0.125 g/ml Forsythia + 0.25 g/ml cinnamon and 0.25 g/ml cinnamon + 0.125 g/ml rosemary + 0.25% clove oil. These mixed extracts also produced strong antimicrobial effects in vacuum-packaged fresh pork, with 1.81- to 2.32-log reductions in microbial counts compared with the control when stored for up to 28 days. The sensory panel detected minimal differences in surface color and off-odors between meat samples treated with herb-spice extracts and the control. These results indicate that combined herb and spice extracts can be used as natural antimicrobials for food preservation.
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Affiliation(s)
- Baohua Kong
- Department of Food Science, Northeast Agricultural University, Harbin, China
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