scholarly journals A Comparative Study on Phytochemical And Biological Activities of two Grewia Species

2016 ◽  
Vol 2 ◽  
pp. 53-60 ◽  
Author(s):  
Dharma Prasad Khanal ◽  
Bechan Raut ◽  
Manoj Kafle
Keyword(s):  
Medicinal Plants ◽  
Methanol Extract ◽  
Hexane Extract ◽  
Diffusion Method ◽  
Antibacterial Effects ◽  
Membrane Stabilization ◽  
Ground Sample ◽  
Rbc Membrane ◽  
Grewia Optiva ◽  
Anti Inflammatory

Background Medicinal plants are currently in considerable significance view due to their special attributes as a large source of therapeutic phytochemicals that may lead to the development of novel drugs. Herbs are staging a comeback and herbal ‘renaissance’ is happening all over the globe. The herbal products today symbolize safety in contrast to the synthetics that are regarded as unsafe to human and environment. It has been estimated that in developed countries such as United States, plant drugs constitute as much as 25% of the total drugs, while in fast developing countries such as China and India, the contribution is as much as 80%. Thus, the economic importance of medicinal plants is much more to countries such as Nepal than to rest of the world. Inventorisation of herbal drugs used in traditional and modern medicines for a country like Nepal, appears to be a stupendous task, where a number of well established indigenous or traditional systems, including Ayurveda, Unani, Siddha, Homoeopathy, Tibetan, Amchi, Yoga and Naturopathy are practiced along with modern medicine for the management of total health care system.Method Classic techniques for the solvent extraction of active constituents from medicinal plant matrices are based on the choice of solvent coupled with the use of heat. Soxhlet extraction is a general and well-established technique, which surpasses in performance other conventional extraction techniques. : In this method, finely ground sample of Grewia species were placed in a porous bag or “thimble” made from a strong filter paper or cellulose, which is place, is in thimble chamber of the Soxhlet apparatus. Extraction solvents was heated in the bottom flask, vaporizes into the sample thimble, condenses in the condenser and drip back. When the liquid content reaches the siphon arm, the liquid contents emptied into the bottom flask again and the process is continued. The resultant extracts were used for qualitative phytochemical analysis by color reactions, antibacterial effects by disc diffusion method and Human RBC membrane stabilization method was used to test the anti-inflammatory potential of the phytoconstituents.Findings Two species Grewia asiatica and Grewia optiva (family: Tiliaceae) from genus Grewia were studied for their phytochemical and biological properties. The result showed that the extractive value of Grewia optiva was found to be greater (2.56 % in hexane and 7.17 % in methanol) than Grewia asiatica (n-hexane 2.24% and methanol 5.04%) respectively. The test for the phytoconstituents for both species showed the presence of glycosides, steroids, tannins, flavonoids, terpenoids and saponins. No any extract of both species at dose of (0.25mg, 0.5mg and 1mg per cup) possessed a zone of inhibition against tested bacterial strains. The potency of n-hexane extract and methanol extract of both species for Human RBC membrane stabilization test were compared with standard Diclofenac potassium. HRBC stabilization and resulted a good membrane stabilization of n-hexane extract of Grewia asiatica (40.89%, 73.57%, 78.23%, 80.07%, 80.91% and 51.95%) at (50 μg/ml, 100μg/ml, 200μg/ml, 400μg/ml, 600μg/ml and 800μg/ml) than methanol extract of both species. The result of the both species possessed similar phytochemicals and showed some membrane stabilization property which supports the traditional use.Conclusion Alkaloids were absent in the Grewia species extracts. The tested extracts have no any antibacterial effects against the tested bacterial stamps. The human RBC membrane stabilization tests were compared with standard Diclofenac potassium showed the good membrane stabilization of n-hexane extract of Grewia asiatica indicating the potent anti-inflammatory effect.Journal of Manmohan Memorial Institute of Health Sciences Vol. 2 2016 p.53-60

scholarly journals POTENSI EKSTRAK DAUN CENDANA (Santalum album L.) SEBAGAI SENYAWA PENGHAMBAT JAMUR Candida albicans

Jurnal Kimia ◽  
2019 ◽  
pp. 159
Author(s):  
K. Swandiyasa ◽  
N. M. Puspawati ◽  
I. A. R. A. Asih
Keyword(s):  
Antifungal Activity ◽  
Methanol Extract ◽  
Hexane Extract ◽  
Diffusion Method ◽  
Santalum Album ◽  
Web Database ◽  
Nail Diseases ◽  
Leaf Powder ◽  
Santalum Album L ◽  
Crude Methanol Extract

Diseases caused by C. albicans (C. albicans) such as mouth, skin and nail  diseases are still commonly found in Indonesia. This study aimed to examine antifungal activity of n-hexane, chloroform, and n-butanol extracts of Santalum album (S.album) leaves in inhibiting the growth of C. albicans and to determine the minimum inhibitory concentration of the most active extract as well as to identify their active compounds. Antifungal activity testing was carried out using disc diffusion method and identification of active compound was performed using LC-MS /MS. Extraction of 1 kg sandalwood leaf powder with methanol yielded 86.80 gram of crude methanol extract. Partiiton 40 gram of the crude methanol extract with n-hexane, chloroform, and n-buthanol gave 12.60, 6.20 and 1.20 g of extracts respectively. The antifungal activity test results revealed that n-hexane extract was the most active in inhibiting the growth of C.albicans with inhibitory diameter of 13 mm as compared to chloroform 9 mm and n-buthanol 8 mm. The active n-hexane extract which is active as an antifungal is then made various variations to obtain a minimum inhibitory. The n-hexane extract, at concentrations of 95, 90 and 85% inhibited the growth of C.albican with inhibitory diameter of 12.04, 15.8, and 13 mm respectively. While at the concentarion of 80 % showed minimum inhibitory diameter of 9.32 mm. Based on analysis mass spectra of two peaks of LC-MS / MS chromatogram with MassLynx V4.1 programe and Chemspider web database suggested the presence of benzofurazan and picolylamine compounds which may contribute to the antifungal activityof n-hexane extract of S.album. Keywords: Sandalwood (Santalum album L.), antifungal, C. albicans, n-Hexane, LC-MS/MS

scholarly journals ANTI-INFLAMMATORY ACTIVITY OF METHANOL EXTRACT OF NIEBUHRIA APETALA (ROTH) DUNN – IN VITRO MODELS

2019 ◽  
pp. 278-281
Author(s):  
RAJESH A ◽  
DOSS A ◽  
TRESINA PS ◽  
MOHAN VR
Keyword(s):  
Methanol Extract ◽  
Protein Denaturation ◽  
In Vitro Models ◽  
Inflammatory Activity ◽  
Membrane Stabilization ◽  
Standard Drug ◽  
Inflammatory Agent ◽  
Potential Source ◽  
Anti Inflammatory

Objective: The objective of this study was to determine the anti-inflammatory activity of methanol extract of Niebuhria apetala and its possible mechanism of action. Methods: Methanol extract of Niebuhria apetala leaf (NAL) was assessed for its anti-inflammatory activity by in vitro methods. Using albumin denaturation assay, proteinase inhibitory activity, membrane stabilization, and antilipoxygenase activity at different concentrations, in vitro anti-inflammatory activity was estimated. The standard drug used for this purpose was aspirin. Results: Methanol extract NAL at a concentration range of 100–500 μg/ml significant (p<0.01) protects the heat-induced protein denaturation. At the concentration of 500 mg/ml, NAL showed significant (p<0.01) inhibition of protease inhibitory action. Heat-induced hemolysis of erythrocyte, hypotonicity-induced hemolysis, and lipooxygenase activity were significant (p<0.01) inhibited at the concentration of 500 μg/ml. Conclusion: Finally, the present study indicates that methanol extract of Niebuhria apetala can be a potential source of anti-inflammatory agent.

scholarly journals CRUDE EXTRACTS OF MAGNOLIA ALBA FLOWERS USING N-HEXANE AND METHANOL SOLVENTS AND THEIR ANTI-ACNE POTENTIAL

2021 ◽  
Vol 10 (6) ◽  
pp. 3789-3793
Author(s):  
Sofia Munira
Keyword(s):  
Propionibacterium Acnes ◽  
Methanol Extract ◽  
Antibacterial Properties ◽  
Inhibition Zone ◽  
Positive Control ◽  
Hexane Extract ◽  
Diffusion Method ◽  
Disc Diffusion ◽  
Disc Diffusion Method ◽  
Bacterial Inhibition

This study aimed to test the antibacterial activity of n-hexane and methanol extracts of white cempaka flowers (Magnolia alba) against Propionibacterium acnes bacteria. The extract was obtained by using the maceration method for 72 hours. Each extract was tested for its antibacterial properties using the disc diffusion method with the variant concentration of the extract used was 0.05%; 2%; 4%; 6%; and 8%. The results showed that the methanol extract had a higher inhibition zone than the n-hexane extract. In n-hexane extract, the lowest concentration of 0.05% showed an inhibition zone of 6.6 mm and the highest concentration of 8% had an inhibition zone of 9.6 mm. Whereas in methanol extract, the inhibition zone obtained was 7.3 mm at a low concentration of 0.05%, but at the highest concentration of 8% the inhibition zone obtained was 11.6 mm. The effect of extract concentration on the diameter of the inhibition zone formed is very significant (directly proportional), where the higher the concentration used, the larger the diameter of the inhibition zone produced. Antibacterial testing for both extracts showed a weak (< 10 mm) to moderate (> 10 mm) bacterial inhibition, which was similar with the inhibition zone obtained from the positive control (11-11.3 mm; moderate bacterial inhibition).

scholarly journals Antimicrobial and Anti-inflammatory properties of Juglans Regia Leaves

2019 ◽  
Vol 35 (6) ◽  
pp. 1756-1759
Author(s):  
Asma Eswayah ◽  
Nahla Labyad ◽  
Fadilah Aleanizy ◽  
Amal Belaid ◽  
Fulwah Alqahtani ◽  
...  
Keyword(s):  
Extraction Method ◽  
Inhibitory Concentration ◽  
Methanolic Extract ◽  
Juglans Regia ◽  
Antimicrobial Effect ◽  
Diffusion Method ◽  
Membrane Stabilization ◽  
Soxhlet Apparatus ◽  
Agar Diffusion Method ◽  
Anti Inflammatory

Antibacterial and anti-inflammatory activities of methanolic extract of Juglans regia L. leaves (Walnut) grown in Libya were investiagted. Hot extraction method by methanol using Soxhlet apparatus was utilized.The antimicrobial effect was studied using agar diffusion method. Human red blood cell membrane stabilization (HRBC) method was used to estimate the anti-inflammatory properties of the leave extract. The extract of leaves exhibited antimicrobial activity against Staphylococcus aureus, and Candida albicans with a minimum inhibitory concentration (MIC) of 25 and 50 mg/ml, respectively. In addition, the extract concentrations of 20, 40, and 100 μg/mL inhibited lysis of HRBC with values of 25.8%, 35.5%, and 70%, respectively. The results showed that the methanolic extract of Juglans regia leaves exhibited antibacterial activity against S. aureus, and antifungal activity against C. albican, and produced anti-inflammatory activity.

In Vitro Antimicrobial Activity of 80% Methanol Extract and Solvent Fractions of Urtica simensis Hochst. ex. A. Rich. (Urticaceae) Leaves against Pathogenic Bacteria and Fungi

2021 ◽  
Vol 36 (2) ◽  
pp. 97-108
Author(s):  
Fentaye Kassa ◽  
Teshome Nedi ◽  
Aklilu Feleke ◽  
Tadesse Eguale ◽  
Haile Alemayehu ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Medicinal Plants ◽  
Ethyl Acetate ◽  
Methanol Extract ◽  
Fungal Species ◽  
Diffusion Method ◽  
Active Fraction ◽  
Gram Positive ◽  
Aqueous Fraction ◽  
Gram Positive Bacteria

Medicinal plants have been used for the treatment of infectious diseases since a long time. Urtica simensisHochst. ex. A. Rich. is one of the endemic medicinal plants used for the treatment of bacterial and fungalinfections in Ethiopian folklore medicine. The aim of this study was to investigate the antimicrobial activityof 80% methanol extract and solvent fractions of the leaves of U. simensis. The 80% methanol extract wasprepared by maceration and the solvent fractions were obtained by successive fractionation of the 80%methanol extract with chloroform, ethyl acetate, n-butanol and distilled water. The antimicrobial activity ofthe extracts was evaluated on eight bacterial and two fungal species using agar well diffusion method atconcentrations of 200, 400 and 800 mg/ml. Minimum inhibitory concentrations (MICs) were determined bybroth microdilution method. From the gram positive bacteria tested, the most susceptible species wasStreptococcus pneumoniae (MIC of 1.36 mg/ml), while Klebsiella pneumoniae and Aspergillus niger weremost susceptible gram negative bacterial and fungal species with MIC values of 2.54 and 3.13 mg/ml,respectively. The least values of MIC, MBC and MFC were 1.36, 5.21 and 6.25 mg/ml, respectively. Resultsof the present study revealed that the 80% methanol extract and solvent fractions, of the leaves of U.simensis, with the exception of the aqueous fraction, possess activity against the growth of selected pathogenic bacterial and fungal species. Among the solvent fractions, the n-butanol fraction was the most active fraction against the gram positive bacteria tested, while the ethyl acetate fraction was the most active fraction against the other tested organisms. Further studies are needed to isolate the active principles, elucidate the mechanism of antimicrobial action, determine in vivo antimicrobial activity and effect of the extracts on other pathogens including clinical isolates.

scholarly journals EXAMINATION OF IN VITRO WOUND HEALING ANTIMICROBIAL ACTIVITY OF EXTRACT OF SELECTED MEDICINAL PLANTS

2019 ◽  
pp. 127-130
Author(s):  
CHANDUKISHORE T ◽  
SAMSKRATHI D ◽  
SRUJANA TL
Keyword(s):  
Wound Healing ◽  
Medicinal Plants ◽  
Leaf Extract ◽  
Methanol Extract ◽  
Maximum Yield ◽  
Diffusion Method ◽  
Zone Of Inhibition ◽  
Solvent Extract ◽  
Minimum Yield

Objective: The objective of this study was to discover and examine the in vitro wound healing activity of selected medicinal plants against common wound infecting microorganisms. Methods: Ziziphus rugosa and Hemidesmus indicus plant parts were used for aqueous and solvent extract preparation, maceration technique was followed. In vitro antibiotic test has been done using disc diffusion method. Results: Maximum yield for aqueous extract was observed in Z. rugosa bark sample (50.6%) and minimum yield was noted in H. indicus leaf extract in (45.7%) and maximum yield in solvent extract was observed in methanol extract of Z. rugosa (37.5%) whereas minimum yield was observed in of acetone extract of leaves of Z. rugosa (25%). For all sample extracts tested, leaf extract of acetone and methanol extract of Z. rugosa and H. indicus showed the highest antibiotic zone of inhibition of 15 mm and 12 mm, whereas lowest zone of inhibition was observed in aqueous bark extract of Z. rugosa (7 mm). Conclusion: Crude aqueous and solvent extract of selected plant were showed that promising results have a wound healing aid, efficacy of which could be further improved by studying and practicing more advanced extraction procedure for future prospectus.

scholarly journals Antimicrobial and anti-inflammatory activities of selected medicinal plants against pathogens causing sexually transmitted infections

2020 ◽  
Vol 9 (2) ◽  
pp. 130-137 ◽  
Author(s):  
Ndivhuwo Patience Nthulane ◽  
Salerwe Mosebi ◽  
Thilivhali Emmanuel Tshikalange ◽  
Monde Alfred Nyila ◽  
Ledile Thabitha Mankga
Keyword(s):  
Medicinal Plants ◽  
Ethyl Acetate ◽  
Methanol Extract ◽  
Antimicrobial Activities ◽  
Bidens Pilosa ◽  
Sexually Transmitted ◽  
Methanol Extracts ◽  
Anti Inflammatory ◽  
Anti Hiv ◽  
Hiv 1

Introduction: Worldwide, more than one million sexually transmitted infections (STIs) are acquired daily. The diversity and frequency of sexual infections caused by pathogenic microorganisms have increased thus becoming a major cause of illness and mortality amongst young adults. Medicinal plants have been good remedies for the treatment of STIs since ancient times. In this study, we evaluated antimicrobial, anti- Human immunodeficiency virus (HIV) and anti-inflammatory activities of five selected medicinal plants. Methods: We determined the antimicrobial activities of plant extracts against the bacteria causing common STIs. Then, the anti-inflammatory activities were evaluated by measuring the inhibition of the pro-inflammatory enzyme, 15-lipoxygenase (15-LOX) and we further investigated the plants extracts of anti-HIV activities against the recombinant HIV-1 enzyme, reverse transcriptase. Results: Methanol extract of Terminalia sericea and dichloromethane (DCM) extract of Bidens pilosa exhibited good activities against Neisseria gonorrhoeae and Gardnerella vaginalis. Ethyl acetate, dichloromethane and methanol extracts of Bidens pilosa exhibited good activities against Candida albicans. Ethyl acetate extract of K. africana and methanol extract of B. pilosa showed good anti-inflammatory activities. Ethyl acetate, DCM and methanol extracts of T. sericea exhibited promising anti-HIV-1 activities by inhibiting the reverse transcriptase whilst methanol extracts of T. dregeana showed low anti-HIV-1 activity. Conclusion: These plants showed promising activity against the propagation of inflammation, displayed good antimicrobial activities against the bacteria causing STIs and could be used as potential leads and/or source for new drug candidates.

scholarly journals Preliminary Phytochemical Screenings and Pharmacological Activities of Three Medicinal Plants of Bangladesh

2018 ◽  
Vol 16 (2) ◽  
pp. 195-203
Author(s):  
Mohammed Ibrahim ◽  
Md Ruhul Kuddus ◽  
Md Aslam Hossain ◽  
Muhammad Abdullah Al Mansur ◽  
Mohammad A Rashid
Keyword(s):  
Medicinal Plants ◽  
Methanol Extract ◽  
Protein Denaturation ◽  
Anxiolytic Effect ◽  
Salmonella Typhi ◽  
Pharmacological Activities ◽  
Antipyretic Effect ◽  
Anti Inflammatory ◽  
Cross Test

The present study was designed to evaluate the preliminary phytochemical screening and antimicrobial, antidiarrheal, anti-inflammatory, analgesic, antipyretic, anxiolytic, thrombolytic and membrane stabilizing properties of the methanolic extract of three medicinal plants Perilla ocymoides L., Murraya koenigii (Linn.) Spreng., Baliospermum montanum (Wild.) Muell growing in Bangladesh. In antimicrobial test, maximum zone of inhibition was found against Salmonella typhi (18.0 mm) and Escherichia coli (17.0 mm) by B. montanum extract. In the castor oil-induced antidiarrheal assay, the methanol extract of M. koenigii showed maximum 50% inhibition of defecation. During in-vitro anti-inflammatory test, the methanol extract of B. montanum at 500 μg/ml, b.w. revealed 39.62% inhibition of protein denaturation. Due to analgesia, the M. koenigii extract showed 53.29% inhibition of acetic acidinduced writhing reflex in experimental mice. Antipyretic effect of P. ocymoides, M. Koenigii and B. montanum extractives was assessed by Brewer’s yeast-induced pyrexia in mice. The B. montanum extract possesses significant anxiolytic effect that was evidenced by both hole cross test and open field test in mice. In thrombolytic assay, the highest activity (57.81%) was observed by B. montanum extract. Results of the preliminary phytochemical screenings demonstrated the presence of alkaloids, glycosides, flavonoids, reducing sugars, gums etc.Dhaka Univ. J. Pharm. Sci. 16(2): 195-203, 2017 (December)

Sign in / Sign up

Export Citation Format

Share Document