scholarly journals Development of wound healing hydrogels using bio synthesized silver nano particles and its antibacterial activity of Major Wound pathogens

2021 ◽  
Vol 23 (06) ◽  
pp. 1346-1362
Author(s):  
Reetha K ◽  
◽  
Suganya K ◽  
Karkuvelraja R ◽  
Sanjay Prasad S ◽  
...  
Keyword(s):  
Wound Healing ◽  
Antibacterial Activity ◽  
Inhibitory Concentration ◽  
Color Change ◽  
Nano Particles ◽  
Aqueous Extracts ◽  
Agno3 Solution ◽  
Methanolic Extracts ◽  
Vis Spectroscopy ◽  
Wound Healing Activity

In this present study, biosynthesis of AgNp’s from methanolic extracts of H. Colorata and its wound healing activity was documented. The synthesis of AgNp’s was done by treating AgNO3 solution with an aqueous extract of H. colorata. The production of AgNp’s was confirmed by a color change of the solution from clear to brown color. The reduced AgNp’s were characterized by Scanning Electron Microscope (SEM), UV–vis spectroscopy. From UV analysis peak was observed at 415nm and spherical shaped AgNp’s were observed. The antibacterial activity and Minimum inhibitory Concentration (MIC) of the silver nanoparticles were determined. The results suggest that biosynthesized AgNp’s from aqueous extracts ofH.coloratashowed a significant antibacterial activity against wound pathogens.

scholarly journals FIRST DESCRIPTION OF ANTIBACTERIAL AND IN VITRO WOUND HEALING PROPERTIES OF COCOS NUCIFERA TOMENTUM

2019 ◽  
pp. 118-122
Author(s):  
HARITHA KH ◽  
SUJITHA KUTTINATH ◽  
RAM RAMMOHAN
Keyword(s):  
Wound Healing ◽  
Antibacterial Activity ◽  
Cocos Nucifera ◽  
Soxhlet Extraction ◽  
Antioxidant Property ◽  
Antimicrobial Activities ◽  
Methanolic Extracts ◽  
Wound Healing Activity ◽  
Tof Ms

Objective: The objective of the study was to evaluate the antibacterial, antioxidant, and in vitro wound healing property of Cocos nucifera tomentum. Methods: Ethanolic and methanolic extracts of C. nucifera tomentum were prepared using the Soxhlet extraction method and aqueous extract was prepared by the shaker flask method. These extracts were investigated for the phytochemical profile by gas chromatography and mass spectroscopy (GC-MS) and liquid chromatography-quadrupole-time-of-flight mass spectrometry (LC-Q-ToF MS), for antibacterial activity by microdilution method, for the antioxidant property by 2,2-diphenyl-1-picrylhydrazyl assay, and for in vitro wound healing activity on cell lines. Results: The preliminary phytochemical screening showed the presence of alkaloids, flavonoids, and various bioactive components. GC-MS and LC-Q-ToF MS analysis of extracts revealed the presence of bioactive compounds known to have wound healing properties as well as antioxidant and antimicrobial activities. The methanolic extract had better antibacterial activity against Proteus vulgaris and Escherichia coli, and better antioxidant and wound healing activity, when compared to the ethanolic and aqueous extracts. Conclusion: The present study suggests that C. nucifera tomentum might be a potential therapeutic source for topical antibacterial and wound healing applications.

scholarly journals EXTRACTION, ISOLATION OF ACTIVE PRINCIPLES, ANTI-BACTERIAL AND WOUND HEALING ACTIVITY OF THE MARINE ALGAL SPECIES OEDOGONIUM GLOBOSUM AND OEDOGONIUM INTERMEDIUM

2021 ◽  
pp. 72-77
Author(s):  
KARPAKAVALLI MEENAKSHISUNDARAM ◽  
PRAKASH GOVINDARAJ ◽  
SIVASUBRAMANIAM P. ◽  
RANJITHKUMAR DHANARAJ ◽  
MOHAN SELLAPPAN
Keyword(s):  
Wound Healing ◽  
Research Work ◽  
Algal Species ◽  
Raw Material ◽  
Spectral Studies ◽  
Pharmacological Activities ◽  
Methanolic Extracts ◽  
Wide Range ◽  
Marine Algal ◽  
Wound Healing Activity

Objective: Algae is the undisputed treasures of the sea and are a valuable raw material, providing unlimited opportunities for new drug discoveries. Marine algal products are in demand in the international market in the form of standardized algal extracts or semi-finished products. Methods: Aqueous and methanolic extracts of Oedogonium globosum and Oedogonium intermedium species were obtained maceration and hot percolation. The active principles from O. intermedium were isolated, purified by column chromatography, and characterized by spectral studies IR, λmax, 1HNMR and MS. The extracts of Oedogonium species were screened for their anti-microbial effects, acute dermal irritation and wound-healing activity studies. Results: Comparing to Oedogonium intermedium (45 %, 90 %, 87 %), very low extractive yields were obtained for Oedogonium globosum (10.80 %, 37 %, 28 %). At phytochemical screening, Terpenoids, Flavanoids and, Glycans were found to be present in a significant amount and upon their isolation, it was found that a collection of fractions from cold extract with Rf value in the range 0.32-0.34 as Glycans and those from the hot extract with 0.40-0.72 as Flavanoids and those from methanolic extracts with 0.23, 0.44 and 0.71 as for Terpenoids. Anti-bacterial study revealed out the fact of Oedogonium species could give higher inhibition to gram-positive than for gram-negative bacteria at (10 μg/10μl/disc) concentration. No symptoms of systemic toxicity and mortality were observed. Silver sulfadiazine, more potent in wound closure, the effect of methanolic extracts of O. intermedium (87 %) was almost at par to the standard (95 %) in action and significantly greater than O. globosum (72 %, P<0.05). Conclusion: Admittedly, Oedogonium type algal species can be known as medicinal algae with a plethora of a wide range of pharmacological activities. Thus, this research work may be considered further for extensive innovative discoveries of new lead molecules and any other pharmacological activities, in the future.

scholarly journals Wound healing activity of Conyza canadensis (L.) Cronquist

2018 ◽  
Vol 1 (T5) ◽  
pp. 35-40
Author(s):  
To Dinh Le ◽  
Nga Thi Hoang ◽  
Nhan Thi Thanh Nguyen ◽  
Thuoc Linh Tran ◽  
Thao Thi Phuong Dang
Keyword(s):  
Wound Healing ◽  
Antibacterial Activity ◽  
Ethyl Acetate ◽  
National Park ◽  
Ethanolic Extract ◽  
Ethyl Acetate Fraction ◽  
Conyza Canadensis ◽  
Keratinocyte Proliferation ◽  
Wound Healing Activity ◽  
Stimulation Of

Conyza canadensis (L.) Cronquist (CCL) has been used by K’Ho minority in Bidoup Nui Ba national park, Lam Dong province, Vietnam as one of wound healing remedies. However, the scientific proof of treatment is still unclear. This study aimed to evaluate this wound healing potential of CCL. CCL power was extracted by ethanol and then partitioned consecutively with petroleum ether, ethyl acetate and water. Wound healing potential was evaluated by antibacterial activity, stimulation of fibroblast and keratinocyte proliferation. Agar-well diffusion was used in the antibacterial tests and the results showed that CCL had antibacterial activity against 02 dermatitis bacteria (Pseudomonas aeruginosa, Staphylococcus aureus) and 02 opportunistic infection bacteria (Escherichia coli, Enterococcus faecalis). Moreover, our results illustrated that CCL stimulated the fibroblast and keratinocyte proliferation compared to the control. Particularly, the fibroblast division increased 1.6 times at 31.25 µg/mL when treated by ethanolic extract, while ethyl acetate fraction showed 1.7 times increase at 10 µg/mL in keratinocyte proliferation compared to the control. Taken together, our study contributed scientific base of CCL in the wound healing.

scholarly journals Assessment of Wound Healing Activity of Green Synthesized Titanium Oxide Nanoparticles using Strychnos spinosa and Blighia sapida

2020 ◽  
Vol 24 (2) ◽  
pp. 197-206
Author(s):  
H. Hassan ◽  
K.I. Omoniyi ◽  
F.G. Okibe ◽  
A.A. Nuhu ◽  
E.G. Echioba
Keyword(s):  
Wound Healing ◽  
Titanium Oxide ◽  
Protein Profiling ◽  
Oxide Nanoparticles ◽  
Titanium Oxide Nanoparticles ◽  
Tio2 Nps ◽  
Vis Spectroscopy ◽  
Strychnos Spinosa ◽  
Wound Healing Activity ◽  
Blighia Sapida

The biosynthesis of nanoparticles has been proposed as a cost effective and environmentally friendly alternative to chemical and physical methods. The present work investigates the synthesis of titanium oxide nanoparticles (TiO2 NPs) by green approach using Strychnos spinosa and Blighia sapida leave extracts. The detailed characterization of the TiO2 NPs was carried out using UV-Visible Spectroscopy, Scanning Electron Microscopy (SEM), X- ray Diffraction (XRD), and Fourier-Transform Infrared (FTIR) Spectroscopy. The green synthesized TiO2 NPs excitation was confirmed using UV–Vis spectrophotometer at 270 and 290 nm for Strychnos spinosa and Blighia sapida respectively. SEM revealed that the synthesized TiO2 NPs were spherical and crystalline in nature. The overall sizes are 40 and 50 nm for Strychnos spinosa and Blighia sapida respectively. FTIR spectroscopic analysisshowed the presence of flavonoids, polyphenols and amide groups likely to be responsible for the green synthesis of titanium oxide nanoparticles using S. Spinosa and B .sapida aqueous leaf extracts. The XRD pattern showed the characteristic Bragg peaks of (111), (200), (220) and (311) facets of the anatase titanium oxide nanoparticles and confirmed that these nanoparticles were crystalline and spherical in nature. Furthermore, the green synthesized TiO2 NPs wound healing activity was examined in the excision wound model by measuring wound closure, histopathology and protein profiling. This revealed significant wound healing activity in Albino rats. In the present study, topical application ofnanoformulated extracts of B. sapidaa nd S. spinosa significantly accelerated wound healing with 20% nanoformulated ointment having the highest percentage wound contraction ability comparable with gentamicin (a commercially sold antimicrobial agent used in dressing wounds). In conclusion, this work proved the capability of using TiO2 NPs to deliver a novel therapeutic route for wound treatment in clinical practice. Keywords: Wound healing activity; SEM; TiO2; XRD; FTIR; UV–Vis spectroscopy.

scholarly journals Effect of Various Parameters on Bio-Synthesis of Copper Nanoparticles Using Citrus Medica Linn (Lemon) Extract and Its Antibacterial Activity

2020 ◽  
Vol 1 (1) ◽  
pp. 51-58
Author(s):  
Sharmila Pradhan ◽  
Rajeswori Shrestha ◽  
Khuma Bhandari
Keyword(s):  
Antibacterial Activity ◽  
Copper Nanoparticles ◽  
Color Change ◽  
Diffusion Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Vis Spectroscopy ◽  
Crystalline Nature ◽  
Bio Synthesis

This research is focused on bio-synthesis of Copper nanoparticles (CuNPs) using lemon extract to study the effect of various parameters on synthesis and to explore antibacterial activity. The biomolecules present in lemon extract act as self reducing and stabilizing agent. The synthesis of CuNPs was found to be affected by various parameters like volume of the lemon extract, concentration of the precursor and the temperature etc. Preliminary characterization of formation of nanoparticles were done by color change and UV-visible (UV-vis) spectroscopy. Elemental composition of the prepared sample was determined via Energy Dispersive X-ray (EDX) Spectroscopy. Presence of important functional groups associated with biomolecules is well characterized by Fourier Transform Infrared spectroscopy (FTIR). Scanning Electron Microscopy (SEM ) revealed the formation agglomerated CuNPs of different shape and sizes and the X-ray diffraction pattern showed the formation of purely crystalline nature of CuNPs. Finally, agar well diffusion method showed that CuNPs have potential antibacterial activity against Gram-ve bacteria compared to Gram +ve bacteria.

Comparative evaluation of antibacterial efficacy of plants traditionally used as antidiarrheal against enteropathogenic Escherichia coli

2015 ◽  
Author(s):  
Ashish Srivastava ◽  
D. B. Mondal
Keyword(s):  
Antibacterial Activity ◽  
Minimum Inhibitory Concentration ◽  
Inhibitory Concentration ◽  
Minimum Bactericidal Concentration ◽  
Curcuma Longa ◽  
Punica Granatum ◽  
Psidium Guajava ◽  
Antibacterial Efficacy ◽  
E Coli ◽  
Methanolic Extracts

The study was conducted to investigate the antibacterial efficacy against enteropathogenic E. coli of plants commonly used to treat calf-diarrhoea. Methanolic extracts of six plants (Aegle marmelos, Curcuma longa, Dalbergia sissoo, Mangifera indica, Psidium guajava and Punica granatum) were screened for their antibacterial property against enteropathogenic E. coli by standard disc diffusion method. Minimum inhibitory concentration (MIC) and of the extract exhibiting highest antibacterial activity was estimated by broth dilution method and minimum bactericidal concentration (MBC) was measured by streaking the contents of MIC tubes on nutrient agar plates. Among the six extracts tested, only extracts of Curcuma longa, Psidium guajava and Punica granatum exhibited antibacterial activity against E. coli. Out of these three, Punica granatum extract was found to be most effective with a mean inhibition zone of 14.67±0.577 mm followed by Psidium guajava (9.67±0.577 mm) and Curcuma longa (8.67±0.577 mm), produced by the disc containing 8.00 mg of respective extract. Minimum inhibitory concentration and minimum bactericidal concentration of the Punica granatum extract were estimated to be 02.00 mg/mL and 03.00 mg/mL respectively. These findings suggest that methanolic extracts of Curcuma longa, Psidium guajava and Punica granatum possess antibacterial activity against enteropathogenic E.coli

scholarly journals Phytochemical, HPLC Analysis and Antibacterial Activity of Crude Methanolic and Aqueous Extracts for Some Medicinal Plant Flowers.

2016 ◽  
Vol 2 (2) ◽  
Author(s):  
Erian, N. S.; H. B. Hamed, A. Y. El-Khateeb & M. Farid
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Salicylic Acid ◽  
Growth Inhibition ◽  
Hplc Analysis ◽  
Polyphenolic Compounds ◽  
Aqueous Extracts ◽  
Methanolic Extracts ◽  
Activity Complex

Methanolic and aqueous extracts of C. cardunculus, A. millefolium, C. officinalis, and M. chamomilla flowers were Phytochemical, Identification of polyphenols and flavonoids by HPLC, and also investigated for their antibacterial activity, Escherichia coli, Staphylococcus aureus and Bacillus subtillis. The phytochemical was observed that crude methanolic and aqueous extracts of investigated flowers the highest content from activity complex. HPLC analysis identified eighteen polyphenolic compounds as authentic samples namely: Gallic acid, pyrogallol, 4-amino benzoic, protocatechuic, cataehein, chlorogenic, catechol, e.picatechen, caffien, p.oh.benzoic, caffeic, vanillic, ferulic, ellagic, benzoic acid, salicylic acid, coumarin and cinnamic acid. While, flavonoid compounds its eleven compounds as authentic samples namely: narengin, rutin, hisperdin, romarinic, quereitrin, quereetrin, narenginin, kampferol, luteolin, hispertin, and 7-Hydoxyflavon. The methanolic extracts of C. officinalis and M. chamomilla flowers produced the highest growth inhibition (43.88 and 42.11%) for against B. subtillis at 6 mg/ml, While, the aqueous extracts of C. officinalis and M. chamomilla flowers produced the highest growth inhibition (29.99 and 29.22 %) for against Bacillus subtillis at 6 mg/ml. Moreover, the C. officinalis and C. cardunculus flowers extract produced the highest growth inhibition for methanolic and aqueous extracts of against Escherichia coli at 6 mg/ml.  

scholarly journals Bio-Synthesis of copper nanoparticles (CuNPs) using Garlic extract to investigate antibacterial activity

BIBECHANA ◽  
2020 ◽  
Vol 17 ◽  
pp. 13-19 ◽  
Author(s):  
Sharmila Pradhan Amatya ◽  
Leela Pradhan Joshi
Keyword(s):  
Antibacterial Activity ◽  
Copper Nanoparticles ◽  
Color Change ◽  
Garlic Extract ◽  
Environmentally Benign ◽  
Diffusion Method ◽  
Time Intervals ◽  
Characteristic Functional ◽  
Vis Spectroscopy ◽  
Bio Synthesis

Bio-synthesis of metal nanoparticles (CuNPs) is regarded as one of the recently developed, economic and environmentally benign method. In the present investigation, Copper nanoparticles were synthesized reacting garlic (Allium sativum) extract with Copper Sulphate (CuSO4∙5H2O) solution over magnetic stirrer at 80 °C for 1 hour. So-prepared CuNPs were studied by observing the color change at various time intervals.  Further, the nanoparticles were characterized using UV-Visible spectroscopy, Energy Dispersive X-ray spectroscopy (EDX) and Fourier Transform Infrared spectroscopy (FTIR). The results of UV-Vis   spectroscopy   clearly showed presence of absorption peak at 595 nm which confirmed   the   formation   of   copper nanoparticles. Likewise, the EDX spectrum depicts the presence of optical band at 8 eV which is the characteristic peak of Copper consisting of 38.747 % by weight and FTIR spectra revealed presence of various phytochemicals possessing characteristic functional groups such as carbonyl and phenolic at the surface of CuNPs. Thus, natural products available in the garlic extract help in reduction and stabilization of Copper nanoparticles.  The antibacterial activity of Copper nanoparticles was investigated against Gram +ve (Staphylococcus aureus) and Gram –ve bacteria (Escherichia coli) using Agarwell diffusion method. The results of antibacterial test showed that CuNPs were found to be much sensitive towards Gram –ve bacteria compared to gram +ve bacteria.  BIBECHANA 17 (2020) 12-18    

WOUND HEALING ACTIVITY OF THE LEAVES OF WRIGHTIA TINCTORIA (ROXB) R. BR

INDIAN DRUGS ◽  
2012 ◽  
Vol 49 (03) ◽  
pp. 40-46
Author(s):  
M. C. Divakar ◽  
◽  
S Lakshmi Devi
Keyword(s):  
Wound Healing ◽  
Tensile Strength ◽  
Wistar Rats ◽  
Leaf Extract ◽  
Excision Wound ◽  
Wound Model ◽  
Methanolic Extracts ◽  
Wrightia Tinctoria ◽  
Incision Wound ◽  
Wound Healing Activity

The study was aimed to evaluate wound healing activity of 70% ethanolic and methanolic extracts of leaves of Wrightia tinctoria (Roxb) R. Br (Apocynaceae) using incision and excision wound models on Wistar rats. Wound contraction and period of epithelization were assessed in excision wound model whereas wound tensile strength was determined in case of incision wound model. 4% Wrightia tinctoria methanolic leaf extract phytosome exhibited significant wound healing potential when compared with standard 0.2% nitrofurazone ointment.

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