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Radha S, Ahamed AS, Gutmann JL, Bhavani S, Rajaraman G, Chittrarasu M. Comparative Evaluation of Antibacterial Efficacy, Molecular Docking of Ethanolic Extract of Blackseed, Seaweed and Calcium Hydroxide Intracanal Medicament with Enterococcus Faecalis Antigens. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2024; 16:S1731-S1735. [PMID: 38882822 PMCID: PMC11174239 DOI: 10.4103/jpbs.jpbs_1152_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 06/18/2024] Open
Abstract
Aim To evaluate the inhibitory effect of ethanolic extract blackseed, seaweed, and calcium hydroxide intracanal medicament with Enterococcus faecalis biofilm. To study the binding interaction between the active components of blackseed and seaweed against the enterococcal surface protein of (E. faecalis) by molecular docking. Materials and Methods The ethanolic extracts of blackseed and seaweed were prepared using the Soxhlet apparatus. They were divided into three groups, namely, |Group I: Calcium hydroxide, Group II: Blackseed, and Group III: Seaweed. The antibacterial activity of the three groups was detected employing various concentrations ranging from 250, 125, and 62.5 μg/ml and based on the zone of inhibition. The inhibitory potential of medicaments to inhibit E. faecalis growth at various stages and kinetics plate were assessed following biofilm architecture evaluation by crystal violet biofilm assay. With the Swissdock suite, the molecular docking procedure was carried out. PyMOL version 4.1.5 was the program used for visualization. Since enterococcal surface protein (Esp) is primarily involved in the formation of biofilms, it was chosen as the target protein of E. faecalis. Based on their chromatographic investigations, Group II Thymoquinone (TQ) and Group III Ledenoxide were chosen as ligands. Results The percentage of inhibition of E. faecalis biofilm was analyzed as statistically significant observed within groups. On post-hoc analysis, significant differences were present between the groups (P < 0.05). Molecular docking reveals binding energies of thymoquinone (Group II) and ledenoxide (Group III) against the enterococcal surface protein of E. faecalis were -6.90 Kcal/mol and -6.44 Kcal/mol, respectively. Conclusion Compared to seaweed, black seed extract exhibited higher antibacterial activity against the E. faecalis biofilm in microbial inhibition and molecular interaction.
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Affiliation(s)
- S Radha
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Cuddalor Dt, Tamil Nadu, India
| | - A Shafie Ahamed
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Cuddalor Dt, Tamil Nadu, India
| | - James L Gutmann
- Texas A & M University, College of Dentistry, Dallas Texas, USA
| | - S Bhavani
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Cuddalor Dt, Tamil Nadu, India
| | - G Rajaraman
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Cuddalor Dt, Tamil Nadu, India
| | - M Chittrarasu
- Department of Conservative Dentistry and Endodontics, Vivekanantha Dental College for Women, Elayampalayam, Namakkal, Tamil Nadu, India
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Imchen T, Tilvi S, Singh KS, Thakur N. Allelochemicals from the seaweeds and their bioprospecting potential. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03002-0. [PMID: 38396154 DOI: 10.1007/s00210-024-03002-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Allelochemicals are secondary metabolites which function as a natural protection against grazing activities by algae and higher plants. They are one of the major metabolites engaged in the interactions of organisms. The chemically mediated interactions between organisms significantly influence the functioning of the ecosystems. Most of these compounds are secondary metabolites comprising sterols, terpenes, and polyphenols. These compounds not only play a defensive role, but also exhibit biological activities such as antioxidants, anti-cancer, anti-diabetes, anti-inflammation, and anti-microbial properties. This review article discusses the current understanding of the allelochemicals of seaweeds and their bioprospecting potential that can bring benefit to humanity. Specifically, the bioactive substances having specific health benefits associated with the consumption or application of seaweed-derived compounds. The properties of such allelochemicals can have implications for bioprospecting pharmaceutical, nutraceutical and cosmetic applications.
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Affiliation(s)
- Temjensangba Imchen
- Biological Oceanography Division, CSIR-National Institute of Oceanography, Panaji, Goa, India, 403004.
| | - Supriya Tilvi
- Chemical Oceanography Division, CSIR-National Institute of Oceanography, Panaji, Goa, India, 403004
| | - Keisham Sarjit Singh
- Chemical Oceanography Division, CSIR-National Institute of Oceanography, Panaji, Goa, India, 403004
| | - Narsinh Thakur
- Chemical Oceanography Division, CSIR-National Institute of Oceanography, Panaji, Goa, India, 403004.
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Shawky E, Bassam SM, Marzouk HS, Ghareeb DA, El Sohafy SM. Exploring the dynamics of bioactive metabolites changes in barley grains (Hordeum vulgare L.) during roasting: Insights from UPLC-QqQ-MS/MS analysis combined to chemometrics. Food Res Int 2024; 178:113961. [PMID: 38309915 DOI: 10.1016/j.foodres.2024.113961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 02/05/2024]
Abstract
This investigation delves into the dynamic metabolic shifts within barley grains during the roasting process, employing UPLC-QqQ-MS/MS analysis. The complex spectrum of metabolites before and after roasting is revealed. The resulting data, unveils substantial transformations in chemical composition during roasting. A total of 62 chromatographic peaks spanning phenolic compounds, flavones, Millard Reaction Products, amino acids, lignans, vitamins, folates, and anthocyanins were annotated. Leveraging UPLC-QqQ-MS/MS analysis, we scrutinized the intricate metabolite profile before and after roasting where the roasting process was found to trigger dynamic changes across diverse metabolite classes particularly Millard Reaction Products, produced through the Maillard reaction, with dihydro-5-methyl-5H-cyclopentapyrazine, maltol and hydroxy maltol emerging as discerning markers of roasting progression. Amino acids and sugars showed degradation, while beta-glucan, a signature barley sugar, experienced notable decline. Folate derivatives witnessed pronounced reduction, aligning with the heat sensitivity of folates. Harnessing the power of multivariate data analysis, the consequences of roasting materialize through distinct clusters in PCA and OPLS-DA plots. Noteworthy, roasting duration governs the trajectory of metabolic divergence, culminating in the identification of roasting-specific markers. Epigallocatechin, procyanidin B, 10-HCO-H4 folate, and hordatine A emerge as pivotal discriminators. Orthogonal Projection to Latent Structure (OPLS) analysis linked anti-inflammatory activity with 30-min, 1-hour, and 1.5-hour roasted samples, with hordatine B in addition to some Millard Reaction Products being correlated with pro-inflammatory marker downregulation.. This study encapsulates the intricate metabolic metamorphosis ignited by roasting in barley grains, offering a holistic comprehension of their potential health-enhancing attributes. Key metabolites act as poignant indicators of these transformations, substantiating the complex interplay between roasting and the barley grain metabolome.
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Affiliation(s)
- Eman Shawky
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt.
| | - Samar M Bassam
- Pharmacognosy and Natural Products Department, Faculty of Pharmacy, Pharos University in Alexandria, Egypt
| | - Hanan S Marzouk
- Pharmacognosy and Natural Products Department, Faculty of Pharmacy, Pharos University in Alexandria, Egypt
| | - Doaa A Ghareeb
- Bio‑Screening and Preclinical Trial Lab, Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Samah M El Sohafy
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Egypt
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Almukainzi M, El-Masry TA, Selim H, Saleh A, El-Sheekh M, Makhlof MEM, El-Bouseary MM. New Insight on the Cytoprotective/Antioxidant Pathway Keap1/Nrf2/HO-1 Modulation by Ulva intestinalis Extract and Its Selenium Nanoparticles in Rats with Carrageenan-Induced Paw Edema. Mar Drugs 2023; 21:459. [PMID: 37755072 PMCID: PMC10533125 DOI: 10.3390/md21090459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/09/2023] [Accepted: 08/19/2023] [Indexed: 09/28/2023] Open
Abstract
Currently, there is growing interest in exploring natural bioactive compounds with anti-inflammatory potential to overcome the side effects associated with the well-known synthetic chemicals. Algae are a rich source of bioactive molecules with numerous applications in medicine. Herein, the anti-inflammatory effect of Ulva intestinalis alone or selenium nanoparticles loaded with U. intestinalis (UISeNPs), after being fully characterized analytically, was investigated by a carrageenan-induced inflammation model. The pretreated groups with free U. intestinalis extract (III and IV) and the rats pretreated with UISeNPs (groups V and VI) showed significant increases in the gene expression of Keap1, with fold increases of 1.9, 2.27, 2.4, and 3.32, respectively. Similarly, a remarkable increase in the Nrf2 gene expression, with 2.09-, 2.36-, 2.59-, and 3.7-fold increases, was shown in the same groups, respectively. Additionally, the groups III, IV, V, and VI revealed a significantly increased HO-1 gene expression with a fold increase of 1.48, 1.61, 1.87, and 2.84, respectively. Thus, both U. intestinalis extract and the UISeNPs boost the expression of the cytoprotective/antioxidant pathway Keap1/Nrf2/HO-1, with the UISeNPs having the upper hand over the free extract. In conclusion, U. intestinalis and UISeNPs have proven promising anti-inflammatory activity through mediating different underlying mechanisms.
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Affiliation(s)
- May Almukainzi
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia; (M.A.); (A.S.)
| | - Thanaa A. El-Masry
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Hend Selim
- Department of Biochemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Asmaa Saleh
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia; (M.A.); (A.S.)
| | - Mostafa El-Sheekh
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt;
| | - Mofida E. M. Makhlof
- Botany and Microbiology Department, Faculty of Science, Damanhour University, Damanhour 22511, Egypt;
| | - Maisra M. El-Bouseary
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
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De Bhowmick G, Hayes M. Potential of Seaweeds to Mitigate Production of Greenhouse Gases during Production of Ruminant Proteins. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2200145. [PMID: 37205931 PMCID: PMC10190624 DOI: 10.1002/gch2.202200145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/13/2022] [Indexed: 05/21/2023]
Abstract
The potential of seaweed to mitigate methane is real and studies with red seaweeds have found reductions in methane produced from ruminants fed red seaweeds in the region of 60-90% where the active compound responsible for this is bromoform. Other studies with brown and green seaweeds have observed reductions in methane production of between 20 and 45% in vitro and 10% in vivo. Benefits of feeding seaweeds to ruminants are seaweed specific and animal species-dependent. In some instances, positive effects on milk production and performance are observed where selected seaweeds are fed to ruminants while other studies note reductions in performance traits. A balance between reducing methane and maintaining animal health and food quality is necessary. Seaweeds are a source of essential amino acids and minerals however, and offer huge potential for use as feeds for animal health maintenance once formulations and doses are correctly prepared and administered. A negative aspect of seaweed use for animal feed currently is the cost associated with wild harvest and indeed aquaculture production and improvements must be made here if seaweed ingredients are to be used as a solution to control methane production from ruminants for continued production of animal/ruminant sourced proteins in the future. This review collates information concerning different seaweeds and how they and their constituents can reduce methane from ruminants and ensure sustainable production of ruminant proteins in an environmentally beneficial manner.
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Affiliation(s)
- Goldy De Bhowmick
- Food BioSciences DepartmentTeagasc Food Research CentreAshtownDublin 15D15 KN3KIreland
| | - Maria Hayes
- Food BioSciences DepartmentTeagasc Food Research CentreAshtownDublin 15D15 KN3KIreland
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Harsha Mohan E, Madhusudan S, Baskaran R. The sea lettuce Ulva sensu lato: Future food with health-promoting bioactives. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.103069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Egodavitharana DI, Manori Bambaranda BVAS, Mudannayake DC. Phytochemical Composition of Two Green Seaweeds ( Ulva lactuca and Ulva fasciata) and their Utilization as a Functional Ingredient in Crackers. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2023. [DOI: 10.1080/10498850.2023.2174394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Dayani Imansa Egodavitharana
- Department of Animal Science, Faculty of Animal Science and Export Agriculture, Uva Wellassa University, Badulla, Sri Lanka
| | | | - Deshani Chirajeevi Mudannayake
- Department of Animal Science, Faculty of Animal Science and Export Agriculture, Uva Wellassa University, Badulla, Sri Lanka
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Palaniyandi T, Baskar G, V B, Viswanathan S, Abdul Wahab MR, Govindaraj MK, Sivaji A, Rajendran BK, Kaliamoorthy S. Biosynthesis of iron nanoparticles using brown algae Spatoglossum asperum and its antioxidant and anticancer activities through in vitro and in silico studies. PARTICULATE SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1080/02726351.2022.2159900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Thirunavukkarasu Palaniyandi
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
- Department of Anatomy, Biomedical Research Unit and Laboratory Animal Centre, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Gomathy Baskar
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
| | - Bhagyalakshmi V
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
| | - Sandhiya Viswanathan
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
| | - Mugip Rahaman Abdul Wahab
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
| | - Manoj Kumar Govindaraj
- Department of Biotechnology, Dr. M.G.R Educational and Research Institute, Deemed to be University, Chennai, India
| | - Asha Sivaji
- Department of Biochemistry, DKM College for Women, Vellore, India
| | | | - Senthilkumar Kaliamoorthy
- Department of Electronics and Communication Engineering, Dr. M.G.R Educational and Research Institute, Chennai, India
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Gazali M, Jolanda O, Husni A, Nurjanah, Majid FAA, Zuriat, Syafitri R. In Vitro α-Amylase and α-Glucosidase Inhibitory Activity of Green Seaweed Halimeda tuna Extract from the Coast of Lhok Bubon, Aceh. PLANTS (BASEL, SWITZERLAND) 2023; 12:393. [PMID: 36679105 PMCID: PMC9865045 DOI: 10.3390/plants12020393] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/17/2022] [Accepted: 01/12/2023] [Indexed: 09/29/2023]
Abstract
Seaweed belongs to marine biota and contains nutrients and secondary metabolites beneficial for health. This study aimed to determine the antidiabetic activity of extracts and fractions of green seaweed Halimeda tuna. The H. tuna sample was extracted with the maceration method using methanol and then partitioned using ethyl acetate and water to obtain ethyl acetate and water fractions. The methanol extract, ethyl acetate fraction, and water fraction of H. tuna were tested for their inhibitory activity against α-amilase and α-glucosidase. The methanol extract and the fractions with the highest inhibitory activity were phytochemically tested and analyzed using gas chromatography-mass spectrometry (GC-MS). The results showed that the ethyl acetate fraction (IC50 = 0.88 ± 0.20 mg/mL) inhibited α-amylase relatively similar to acarbose (IC50 = 0.76 ± 0.04 mg/mL). The methanol extract (IC50 = 0.05 ± 0.01 mg/mL) and the ethyl acetate fraction (IC50 = 0.01 ± 0.00 mg/mL) demonstrated stronger inhibitory activity against α-glucosidase than acarbose (IC50 = 0.27 ± 0.13 mg/mL). Phytochemical testing showed that the methanol extract and the ethyl acetate fraction contained secondary metabolites: alkaloids, flavonoids, steroids, and phenol hydroquinone. The compounds in methanol extract predicted to have inhibitory activity against α-amylase and α-glucosidase were Docosanol, Neophytadiene, Stigmasta-7,22-dien-3-ol,acetate,(3.beta.,5.alpha.,22E), Octadecanoic acid,2-oxo-,methyl ester, and phytol, while those in the ethyl acetate fraction were n-Nonadecane, Phytol, Butyl ester, 14-.Beta.-H-pregna, Octadecenoic acid, and Oleic acid.
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Affiliation(s)
- Mohamad Gazali
- Department of Marine Science, Faculty of Fisheries and Marine Science, Teuku Umar University, Aceh 23681, Indonesia
| | - Odi Jolanda
- Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Amir Husni
- Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Nurjanah
- Department of Aquatic Product Technology, Faculty of Fisheries and Marine Science, IPB University, Bogor 16680, Indonesia
| | | | - Zuriat
- Department of Fisheries, Faculty of Fisheries and Marine Science, Teuku Umar University, Aceh 23681, Indonesia
| | - Rina Syafitri
- Department of Agribusiness, Faculty of Agriculture, Teuku Umar University, Aceh 23681, Indonesia
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Ema RS, Kabir Zihad SMN, Islam MN, Sifat N, Rouf R, Shilpi JA, Uddin SJ. Analgesic, anti-inflammatory activity and metabolite profiling of the methanolic extract of Callicarpa arborea Roxb. leaves. JOURNAL OF ETHNOPHARMACOLOGY 2023; 300:115757. [PMID: 36167233 DOI: 10.1016/j.jep.2022.115757] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/18/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Callicarpa arborea Roxb. is widely used as traditional medicine especially by the tribal people of Bangladesh in the management of wide range of ailments. In addition to Bangladesh, the leaves of this plant is utilized as a remedy to various painful and inflammatory conditions including rheumatism, toothache and stomachache in other countries of Indian subcontinent. AIM OF THE STUDY Depending on the ethnomedicinal uses, we undertook this study to investigate the in-vivo analgesic and anti-inflammatory activities of the methanolic extract of C. arborea Roxb. leaves in Swiss albino mice as well as its chemical composition. MATERIALS AND METHODS We evaluated the analgesic activity of Callicarpa arborea Roxb. leaves by the acetic acid induced writhing test, the hot plate test, and the formalin test. We undertook the egg albumin induced paw edema test to determine the anti-inflammatory activity of the plant. Furthermore, we conducted the phytochemical profiling by gas chromatography-mass spectrometry (GC-MS). RESULTS In acute toxicity test, no mortality was observed at the highest dose of 2000 mg/kg b.w. Significant (p < 0.005) inhibition of acetic acid induced writhing was observed at both doses of the extract. A dose dependent increase in the response time was seen in the hot-plate test. In the formalin test, the extract significantly inhibited pain response in both early and late phase. We observed marked anti-inflammatory activity manifested by a significant (p < 0.005) reduction in egg albumin induced paw edema. We identified a total of twenty one compounds in the extract of by GC-MS analysis. CONCLUSION Taken all into consideration we conclude that the leaves of C. arborea Roxb. possesses potent analgesic and anti-inflammatory activity, thus justifying its's ethnomedicinal use against painful and inflammatory pathological conditions.
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Affiliation(s)
| | | | - Md Naharul Islam
- Pharmacy Discipline, Khulna University, Khulna, 9208, Bangladesh.
| | - Nazifa Sifat
- Department of Pharmacy, ASA University Bangladesh, Dhaka, 1207, Bangladesh.
| | - Razina Rouf
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, 8100, Bangladesh.
| | - Jamil A Shilpi
- Pharmacy Discipline, Khulna University, Khulna, 9208, Bangladesh.
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Rima M, Chbani A, Roques C, El Garah F. Seaweed Extracts as an Effective Gateway in the Search for Novel Antibiofilm Agents against Staphylococcus aureus. PLANTS 2022; 11:plants11172285. [PMID: 36079667 PMCID: PMC9459781 DOI: 10.3390/plants11172285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/17/2022] [Accepted: 08/27/2022] [Indexed: 11/16/2022]
Abstract
Treatment of biofilm-associated infections has become a major challenge in biomedical and clinical fields due to the failure of conventional treatments in controlling this highly complex and tolerant structure. Therefore, the search for novel antibiofilm agents with increased efficacy as those provided by natural products, presents an urgent need. The aim of this study was to explore extracts derived from three algae (green Ulva lactuca, brown Stypocaulon scoparium, red Pterocladiella capillacea) for their potential antibiofilm activity against Staphylococcus aureus, bacterium responsible for several acute and chronic infections. Seaweed extracts were prepared by successive maceration in various solvents (cyclohexane (CH), dichloromethane (DCM), ethyl acetate (EA), and methanol (MeOH)). The ability of the different extracts to inhibit S. aureus biofilm formation was assessed using colony-forming unit (CFU) counts method supported by epifluorescence microscopic analysis. Effects of active extracts on the biofilm growth cycle, as well as on S. aureus surface hydrophobicity were evaluated. Results revealed the ability of four extracts to significantly inhibit S. aureus biofilm formation. These findings were supported by microscopy analyses. The gradual increase in the number of adherent bacteria when the selected extracts were added at various times (t0, t2h, t4h, t6h, and t24h) revealed their potential effect on the initial adhesion and proliferation stages of S. aureus biofilm development. Interestingly, a significant reduction in the surface hydrophobicity of S. aureus treated with dichloromethane (DCM) extract derived from U. lactuca was demonstrated. These findings present new insights into the exploration of seaweeds as a valuable source of antibiofilm agents with preventive effect by inhibiting and/or delaying biofilm formation.
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Affiliation(s)
- Maya Rima
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, 31062 Toulouse, France
- Laboratory of Applied Biotechnology, AZM Center for Research in Biotechnology and Its Applications, Doctoral School of Science and Technology, Lebanese University, El Mittein Street, Tripoli 1300, Lebanon
| | - Asma Chbani
- Laboratory of Applied Biotechnology, AZM Center for Research in Biotechnology and Its Applications, Doctoral School of Science and Technology, Lebanese University, El Mittein Street, Tripoli 1300, Lebanon
- Faculty of Public Health III, Lebanese University, Tripoli 1300, Lebanon
| | - Christine Roques
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, 31062 Toulouse, France
- Bacteriology-Hygiene Department, Centre Hospitalier Universitaire, Hôpital Purpan, 31300 Toulouse, France
| | - Fatima El Garah
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INPT, UPS, 31062 Toulouse, France
- Correspondence: ; Tel.: +33-562-25-68-55
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Anjali K, Raghunathan R, Devi G, Dutta S. Photocatalytic degradation of methyl red using seaweed mediated zinc oxide nanoparticles. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102384] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Areco MM, Salomone VN, Afonso MDS. Ulva lactuca: A bioindicator for anthropogenic contamination and its environmental remediation capacity. MARINE ENVIRONMENTAL RESEARCH 2021; 171:105468. [PMID: 34507027 DOI: 10.1016/j.marenvres.2021.105468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 05/27/2023]
Abstract
Coastal regions are subjected to degradation due to anthropogenic pollution. Effluents loaded with variable concentrations of heavy metal, persistent organic pollutant, as well as nutrients are discharged in coastal areas leading to environmental degradation. In the past years, many scientists have studied, not only the effect of different contaminants on coastal ecosystems but also, they have searched for organisms tolerant to pollutants that can be used as bioindicators or for biomonitoring purposes. Furthermore, many researchers have demonstrated the capacity of different marine organisms to remove heavy metals and persistent organic pollutants, as well as to reduce nutrient concentration, which may lead to eutrophication. In this sense, Ulva lactuca, a green macroalgae commonly found in coastal areas, has been extensively studied for its capacity to accumulate pollutants; as a bioindicator; as well as for its remediation capacity. This paper aims to review the information published regarding the use of Ulva lactuca in environmental applications. The review was focused on those studies that analyse the role of this macroalga as a biomonitor or in bioremediation experiments.
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Affiliation(s)
- María M Areco
- Instituto de Investigación e Ingeniería Ambiental -IIIA, UNSAM, CONICET, 3iA, Campus Miguelete, 25 de Mayo y Francia, 1650-San Martín, Provincia de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas. CONICET, Argentina.
| | - Vanesa N Salomone
- Instituto de Investigación e Ingeniería Ambiental -IIIA, UNSAM, CONICET, 3iA, Campus Miguelete, 25 de Mayo y Francia, 1650-San Martín, Provincia de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas. CONICET, Argentina
| | - María Dos Santos Afonso
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET-Universidad de Buenos Aires, Ciudad Universitaria Pabellón II 3er Piso, Int. Guiraldes, 2160, C1428EHA Ciudad Autónoma de, Buenos Aires, Argentina
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Selmi A, Khiari R, Snoussi A, Bouzouita N. Analysis of Minerals and Heavy Metals Using ICP-OES and FTIR Techniques in Two Red Seaweeds (Gymnogongrus griffithsiae and Asparagopsis taxiformis) from Tunisia. Biol Trace Elem Res 2021; 199:2342-2350. [PMID: 32808067 DOI: 10.1007/s12011-020-02335-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/06/2020] [Indexed: 10/23/2022]
Abstract
In this study, the mineral and heavy metals (arsenic (As), cadmium (Cd), copper (Cu), iron (Fe), mercury (Hg), potassium (K), manganese (Mn), sodium (Na), phosphorus (P), and lead (Pb)) in two red Tunisian seaweeds Gymnogongrus griffithsiae (G. griffithsiae) and Asparagopsis taxiformis (A. taxiformis), were evaluated. Mineral and trace element analyses were achieved using inductively coupled plasma optical emission spectrometry (ICP-OES). Fourier transform infrared (FTIR) spectroscopy was used to predict the major functional groups that would be implicated in the seaweeds mineral uptake. Our results showed that the studied A. taxiformis species had much higher mineral and heavy metal concentrations than G. griffithsiae. Na (200.60 mg/kg) was the most abundant element followed by K (137.84 mg/kg) > P (35.93 mg/kg) for A. taxiformis species. However, only Na (165.23 mg/kg) and P (51.19 mg/kg) were detected in G. griffithsiae alga. As regards heavy and toxic metals, allowable concentrations have been found in both seaweeds. The concentration ranges for the most undesirable heavy metals were as follows: Pb (0.39-0.51 mg/kg), As (0.11-0.40 mg/kg), Cd (0.01-0.02 mg/kg), and Hg (0.00-0.02 mg/kg). According to FTIR analysis, the major functional groups present in the studied seaweeds were carboxyl, hydroxyl, sulfate, and phosphate groups that are considered as excellent binding sites for metal retention.
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Affiliation(s)
- Aida Selmi
- Higher School of Food Industries of Tunis (ESIAT), University of Carthage, 58 Avenue Alain Savary, 1003, Tunis El Khadra, Tunisia.
- Laboratory of Organic and Structural Chemistry, Faculty of Sciences of Tunis (FST) El Manar, Campus Universitaire El-Manar, 2092, El Manar Tunis, Tunisia.
| | - Ramla Khiari
- Higher School of Food Industries of Tunis (ESIAT), University of Carthage, 58 Avenue Alain Savary, 1003, Tunis El Khadra, Tunisia
- Laboratory of Wind Energy Management and Waste Energy Recovery, Research and Technology Center of Energy (CRTEn), B.P. N°95, 2050, Hammam-Lif, Tunisia
| | - Ahmed Snoussi
- Higher School of Food Industries of Tunis (ESIAT), University of Carthage, 58 Avenue Alain Savary, 1003, Tunis El Khadra, Tunisia
- Laboratory of Organic and Structural Chemistry, Faculty of Sciences of Tunis (FST) El Manar, Campus Universitaire El-Manar, 2092, El Manar Tunis, Tunisia
| | - Nabiha Bouzouita
- Higher School of Food Industries of Tunis (ESIAT), University of Carthage, 58 Avenue Alain Savary, 1003, Tunis El Khadra, Tunisia
- Laboratory of Organic and Structural Chemistry, Faculty of Sciences of Tunis (FST) El Manar, Campus Universitaire El-Manar, 2092, El Manar Tunis, Tunisia
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15
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Qiao Y, Jia R, Luo Y, Feng L. The inhibitory effect of Ulva fasciata on culturability, motility, and biofilm formation of Vibrio parahaemolyticus ATCC17802. Int Microbiol 2021; 24:301-310. [DOI: 10.1007/s10123-021-00165-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/30/2020] [Accepted: 02/11/2021] [Indexed: 12/11/2022]
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16
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Anjali KP, Sangeetha BM, Raghunathan R, Devi G, Dutta S. Seaweed Mediated Fabrication of Zinc Oxide Nanoparticles and their Antibacterial, Antifungal and Anticancer Applications. ChemistrySelect 2021. [DOI: 10.1002/slct.202003517] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- K. P. Anjali
- Department of Chemical Engineering National Institute of Technology Durgapur Durgapur West Bengal 713209 India
| | - B. M. Sangeetha
- Mechanical and Industrial Engineering Department National University of Science and Technology P.O Box 2322 Sultanate of Oman India
| | - R. Raghunathan
- Center for Bioscience and Nanoscience Research Tamil Nadu−21 India
| | - Geetha Devi
- Mechanical and Industrial Engineering Department National University of Science and Technology P.O Box 2322 Sultanate of Oman India
| | - Susmita Dutta
- Department of Chemical Engineering National Institute of Technology Durgapur Durgapur West Bengal 713209 India
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17
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Bhowmick S, Mazumdar A, Moulick A, Adam V. Algal metabolites: An inevitable substitute for antibiotics. Biotechnol Adv 2020; 43:107571. [PMID: 32505655 DOI: 10.1016/j.biotechadv.2020.107571] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 05/22/2020] [Accepted: 05/29/2020] [Indexed: 12/11/2022]
Abstract
Antibiotic resistance is rising at a pace that is difficult to cope with; circumvention of this issue requires fast and efficient alternatives to conventional antibiotics. Algae inhabit a wide span of ecosystems, which contributes to their ability to synthesize diverse classes of highly active biogenic metabolites. Here, for the first time, we reviewed all possible algal metabolites with broad spectra antibacterial activity against pathogenic bacteria, including antibiotic-resistant strains, and categorized different metabolites of both freshwater and marine algae, linking them on the basis of their target sites and mechanistic actions along with their probable nanoconjugates. Algae can be considered a boon for novel drug discovery in the era of antibiotic resistance, as various algal primary and secondary metabolites possess potential antibacterial properties. The diversity of these metabolites from indigenous sources provides a promising gateway enabling researchers and pharmaceutical companies to develop novel nontoxic, cost-effective and highly efficient antibacterial medicines.
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Affiliation(s)
- Sukanya Bhowmick
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, Brno CZ-613 00, Czech Republic; Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno CZ-612 00, Czech Republic
| | - Aninda Mazumdar
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, Brno CZ-613 00, Czech Republic; Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno CZ-612 00, Czech Republic
| | - Amitava Moulick
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno CZ-612 00, Czech Republic.
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, Brno CZ-613 00, Czech Republic; Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno CZ-612 00, Czech Republic.
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18
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Radulescu C, Buruleanu LC, Nicolescu CM, Olteanu RL, Bumbac M, Holban GC, Simal-Gandara J. Phytochemical Profiles, Antioxidant and Antibacterial Activities of Grape ( Vitis vinifera L.) Seeds and Skin from Organic and Conventional Vineyards. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1470. [PMID: 33143382 PMCID: PMC7694017 DOI: 10.3390/plants9111470] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/28/2020] [Accepted: 10/30/2020] [Indexed: 12/19/2022]
Abstract
The therapeutic benefits of extracts obtained from different red grape fractions were thoroughly studied, however, data regarding the comparison of phytochemical extracts prepared from the same varieties coming from organic versus conventional management systems are rather lacking. The present study aimed at comparing some of the phytochemical characteristics and antimicrobial activity of hydroalcoholic (50% v/v) extracts obtained from four varieties of red grapes cultivated respectively in organic and conventional vineyards. Total flavonoid content, total phenolic compounds, and antioxidant activity were determined by molecular absorption spectroscopy. Antimicrobial activity of the studied extracts was evaluated against common bacterial strains isolated from different habitats according to specific lab procedures. The analyses were performed in solid broths by applying the disk diffusion method, which allowed for the simultaneous determination of the spectrum of the sensitivity of the tested bacteria as well as the values of the minimum inhibition concentration (MIC). It was found that favorable antagonistic activities against the tested bacteria strains were exhibited by the hydroalcoholic extracts from the seeds of the organic varieties, respectively the skin of the conventional varieties.
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Affiliation(s)
- Cristiana Radulescu
- Faculty of Sciences and Arts, Valahia University of Targoviste, 130004 Targoviste, Romania
- Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
| | - Lavinia Claudia Buruleanu
- Faculty of Environmental Engineering and Food Science, Valahia University of Targoviste, 130004 Targoviste, Romania
| | - Cristina Mihaela Nicolescu
- Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
| | - Radu Lucian Olteanu
- Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
| | - Marius Bumbac
- Faculty of Sciences and Arts, Valahia University of Targoviste, 130004 Targoviste, Romania
- Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
| | - Georgeta Carmen Holban
- Doctoral School, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 011464 Bucharest, Romania;
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo—Ourense Campus, E-32004 Ourense, Spain
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19
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Silva A, Silva SA, Carpena M, Garcia-Oliveira P, Gullón P, Barroso MF, Prieto M, Simal-Gandara J. Macroalgae as a Source of Valuable Antimicrobial Compounds: Extraction and Applications. Antibiotics (Basel) 2020; 9:E642. [PMID: 32992802 PMCID: PMC7601383 DOI: 10.3390/antibiotics9100642] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 02/07/2023] Open
Abstract
In the last few decades, attention on new natural antimicrobial compounds has arisen due to a change in consumer preferences and the increase in the number of resistant microorganisms. Macroalgae play a special role in the pursuit of new active molecules as they have been traditionally consumed and are known for their chemical and nutritional composition and their biological properties, including antimicrobial activity. Among the bioactive molecules of algae, proteins and peptides, polysaccharides, polyphenols, polyunsaturated fatty acids and pigments can be highlighted. However, for the complete obtaining and incorporation of these molecules, it is essential to achieve easy, profitable and sustainable recovery of these compounds. For this purpose, novel liquid-liquid and solid-liquid extraction techniques have been studied, such as supercritical, ultrasound, microwave, enzymatic, high pressure, accelerated solvent and intensity pulsed electric fields extraction techniques. Moreover, different applications have been proposed for these compounds, such as preservatives in the food or cosmetic industries, as antibiotics in the pharmaceutical industry, as antibiofilm, antifouling, coating in active packaging, prebiotics or in nanoparticles. This review presents the main antimicrobial potential of macroalgae, their specific bioactive compounds and novel green extraction technologies to efficiently extract them, with emphasis on the antibacterial and antifungal data and their applications.
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Affiliation(s)
- Aurora Silva
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr António Bernardino de Almeida 431, 4200-072 Porto, Portugal;
| | - Sofia A. Silva
- Departamento de Química, Universidade de Aveiro, 3810-168 Aveiro, Portugal;
| | - M. Carpena
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
| | - P. Garcia-Oliveira
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - P. Gullón
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
| | - M. Fátima Barroso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr António Bernardino de Almeida 431, 4200-072 Porto, Portugal;
| | - M.A. Prieto
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
| | - J. Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E32004 Ourense, Spain; (A.S.); (M.C.); (P.G.-O.); (P.G.)
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20
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Ulvan, a Polysaccharide from Macroalga Ulva sp.: A Review of Chemistry, Biological Activities and Potential for Food and Biomedical Applications. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10165488] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The species of green macroalga belonging to the genus Ulva (family: Ulvaceae) are utilized in various fields, from food supplements to biomedical applications. Ulvan, a polysaccharide obtained from various Ulva species, has shown various biological activities, including antioxidant, anti-inflammatory, anticancer, antibacterial, and antiviral activities. To obtain the polysaccharide ulvan that can be utilized in various fields, it is necessary to understand the critical points that affect its physicochemical nature, the extraction procedures, and the mechanism of action for biological activities. This article discusses the physicochemical properties, extraction, isolation and characterization procedures and benefits in food and biomedical applications of ulvan. In conclusion, ulvan from Ulva sp. has the potential to be used as a therapeutic agent and also as an additional ingredient in the development of tissue engineering procedures.
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