Phytochemical and pharmacognostic evaluation of leaves of Pongamia pinnata L. (Fabaceae)

Menpara, Disha; Chanda, Sumitra

doi:10.5530/pc.2014.2.2

Cited by 13 publications

(10 citation statements)

References 22 publications

(16 reference statements)

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“…Many naturally occurring compounds found in plants have shown to possess antifungal, antibacterial and antiprotozoan activities and serve as a source of antimicrobial agents that could be used either systemically or locally [7,8]. The antimicrobial activity of medicinal plant extracts is very well documented [9][10][11][12]. Also the recently reported concept of drug synergism between known antimicrobial agents and bioactive plant extract can also be implemented as a new form of treatment of infectious diseases [13].…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial Efficacy of Different Solvent Extracts of Tagetes erecta L. Flower, Alone and in Combination with Antibiotics

Padalia¹,

Ch²

2015

Appli Micro Open Access

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Bacteria have evolved numerous defences against antimicrobial agent and drug resistance in pathogen is on rise. This is due to rapid development of multi-drug resistance, limited anti-bacterial spectrum and adverse effects of available anti-microbial agents. This necessitates the search for new antimicrobials with diverse structures and novel mechanism of action. Flowers are mostly used for ornamental purposes and they are not frequently worked out hence marigold flower was selected for the study. The antimicrobial activity of different solvent (Hexane, Toluene, Ethyl acetate, Acetone, Methanol and Aqueous) extracts of marigold flowers were evaluated by agar well diffusion method against a panel of pathogenic microorganisms. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of acetone extract and its fraction were evaluated. B. cereus and K. pneumonia were the most sensitive organisms to acetone extract and minimum inhibitory concentration (MIC) was 78 µg/ml. Synergistic effect of acetone extract and commercial antibiotics (chloroamphenicol and ceftazidime) against pathogenic bacteria was investigated. The best synergistic activity was with combination of acetone extract and ceftazidime against B. subtilis and P. aeruginosa with FIC indices 0.312 and 0.093 respectively. Only the polar solvent acetone extract showed promising antibacterial and synergistic activity. These results indicate that combination between plant extract and the antibiotics could be useful in fighting emerging drug-resistant microorganisms and choice of the solvent plays a prominent role in evaluating antimicrobial activity of medicinal plants. Flowers can be taken as an alternative source of antimicrobial agent against the human pathogens.

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Section: Introductionmentioning

confidence: 99%

Antimicrobial Efficacy of Different Solvent Extracts of Tagetes erecta L. Flower, Alone and in Combination with Antibiotics

Padalia¹,

Ch²

2015

Appli Micro Open Access

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“…The pharmacognostic analysis has an important role in the authentication and standardization of a medicinal plant because it is a necessary step for herbal drugs and their formulation in the traditional system of medicine. 23,24 The pharmacognostic character of crude extract is an initial information in standardization to maintain the purity, quality, and efficacy of crude drugs. 18 Authentication and macroscopic evaluation are helpful to ensure the authenticity of crude drugs to evaluate the external appearance including the size, shape, color, taste, texture, smell, and so on.…”

Section: Discussionmentioning

confidence: 99%

Pharmacognostic and Cytotoxicity Evaluation of Indonesia Native Plant of Piper acre Blume Leaves (Piperaceae)

Ahmad

Ambarwati

Arifuddin

et al. 2017

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“…Thus fluorescence is used for qualitative assessment of crude drug. 20 Behaviours of the powdered drug with different chemical reagents and preliminary phytochemical analysis are helpful for detection of various phytoconstituents.…”

Section: Discussionmentioning

confidence: 99%

“…The drug was treated with various chemical reagents and exposed to visible and ultraviolet light to study their fluorescence behaviour. 15 The presence of heavy metals analysis was carried out quantitatively by Atomic absorption spectrophotometer. 16 Qualitative phytochemical screening was carried out on the grape seed extracts (petroleum ether, chloroform, ethyl acetate, methanol, aqueous) to determine the presence of carbohydrates, flavonoids, phenolic compounds, glycosides, alkaloids, proteins and amino acids, saponins, sterols, mucilage, resins, lipids/fats etc.…”

Section: Physicochemical Analysismentioning

confidence: 99%

Pharmacognostic Standardisation and Phytochemical Evaluation on the Seeds of Two Vitis Vinefera L. Varieties Grown in Kashmir Valley, India

Nowshehri¹,

Bhat²,

Shah³

2016

Phcogj

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Introduction: Grape (Vitis vinifera L.) is one of the largest fruit crop widely grown throughout the world and their seeds are considered a relevant source of polyphenol compounds. Objective: To carry out phytochemical and pharmacognostic evaluation of the seeds of Vitis vinefera L. Var sahibi and hussaini, family vitiaceae as per WHO guidelines. Materials and Methods: In present investigation, the detailed pharmacognostic studies were carried out in terms of organoleptic properties, macroscopical, micro scopical characters, physicochemical parameters, preliminary phytochemical screening for major groups of compounds and other WHO recommended parameters for standardization of the seeds of Vitis vinefera L. Var. sahibi and hussaini. Results: Macro and microscopic characters of Vitis vinefera L. seeds Var. sahibi and hussaini were analyzed. Physicochemical parameters such as foreign matter, extractive values, ash content, pH and fluorescent behaviour of seed powder were done by using WHO recommended parameters. A preliminary phytochemical screening was done and revealed

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Phytochemical and pharmacognostic evaluation of leaves of Pongamia pinnata L. (Fabaceae)

Cited by 13 publications

References 22 publications

Antimicrobial Efficacy of Different Solvent Extracts of Tagetes erecta L. Flower, Alone and in Combination with Antibiotics

Antimicrobial Efficacy of Different Solvent Extracts of Tagetes erecta L. Flower, Alone and in Combination with Antibiotics

Pharmacognostic and Cytotoxicity Evaluation of Indonesia Native Plant of Piper acre Blume Leaves (Piperaceae)

Pharmacognostic Standardisation and Phytochemical Evaluation on the Seeds of Two Vitis Vinefera L. Varieties Grown in Kashmir Valley, India

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