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    Wyświetlanie 1-6 z 6
    Tytuł:
    Abortifacient and antioxidant activities of Avicennia marina
    Autorzy:
    Srikanth, M.
    Ganga Rao, B.
    Mallikarjuna Rao, T.
    Rajananda Swamy, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/10920.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    abortifacient activity
    antioxidant activity
    Avicennia marina
    free radical
    medicinal plant
    leaf
    plant extract
    Opis:
    The current study was intended to evaluate abortifacient and antioxidant activity of Avicennia marina leaves extracts. Abortifacient activity was evaluated in rats, compared with standard drug (Mifepristone) and antioxidant activity was evaluated by using three free radicals (Superoxide, Hydroxyl and DPPH) compared with Ascorbic acid. The extracts were showed pre implantation loss, post implantation loss of implantations and decreased the survival ration of foetuses. Among all extracts hydroalcoholic extract showed better activity. The selected plant extracts showed concentration dependent percentage inhibition of free radicals. Among three extracts hydroalcoholic extract showed better activity with IC50 values on superoxide, hydroxyl and DPPH radicals were 203μg, 237μg and 143μg. From the results obtained during the study it the hydroalcoholic extract was used for the isolation of pure compounds, and isolated the different compounds (β-sitosterol, Lupeol and Betulinic acid).
    Źródło:
    International Letters of Natural Sciences; 2015, 06
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antimicrobial and antioxidant activity of Epimedium pinnatum
    Przeciwbakteryjne i przeciwutleniające działanie Epimedium pinnatum
    Autorzy:
    Mahboubi, M.
    Kazempour, N.
    Hosseini, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/72643.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    antimicrobial activity
    antioxidant activity
    Epimedium pinnatum
    medicinal plant
    plant extract
    phenolics
    total phenolics
    flavonoids
    total flavonoids
    Opis:
    Epimedium pinnatum (Berberidaceae family) is used as an aphrodisiac in traditional Chinese medicine (TCM). The aim of this study was to evaluate the antimicrobial and antioxidant activity of E. pinnatum extracts (ethanol, methanol and aqueous extracts). Total phenolic (TPC) and flavonoid contents (TFC) of each extract were assessed by spectrophotometric methods. It was exhibited that methanol extract had better antimicrobial activity than those of ethanolic extract or aqueous extract. The TPC and TFC of E. pinnatum extracts was higher in methanol extract (149 and 36.6 mg/g) than that of ethanolic extract (137.2 and 19.5 mg/g) and aqueous extract (86.2 and 8.4 mg/g). The methanol extract had lower IC50 value (200 µg/ml) than ethanolic (250 µg/ml) and aqueous extract (400 µg/ml). There was a positive correlation between TPC, TFC in E. pinnatum extract and their antioxidant and antimicrobial activity.
    W tradycyjnej medycynie chińskiej Epimedium pinnatum (rodzina Berberidaceae) używa się jako afrodyzjaku. Celem niniejszej pracy była ocena działania przeciwbakteryjnego i przeciwutleniającego wyciągów: etanolowego, metanolowego i wodnego z Epimedium pinnatum. Całkowita zawartość fenoli i całkowita zawartość flawonoidów w każdym z wyciągów została oznaczona metodami spektrofotometrycznymi. Wykazano, że wyciąg metanolowy miał lepsze działanie przeciwbakteryjne niż wyciąg etanolowy i wodny. Całkowita zawartość fenoli i całkowita zawartość flawonoidów była wyższa w wyciągu metanolowym (149 i 36,6 mg/g) niż etanolowym (137,2 i 19,5 mg/g) i wodnym (86,2 i 8,4 mg/g). Wyciąg metanolowy miał niższą wartość IC50 (200 µg/ml) niż wyciąg etanolowy (250 µg/ml) i wodny (400 µg/ml). Zauważono pozytywną korelację między całkowitym stężeniem fenoli i całkowitym stężeniem flawonoidów w wyciągach z E. pinnatum, a ich działaniem przeciwutleniającym i przeciwbakteryjnym.
    Źródło:
    Herba Polonica; 2013, 59, 2
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the antifungal activity of various solvent extracts of Feronia elephantum correa (Rutaceae)
    Autorzy:
    Balamurugan, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/10857.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    antifungal activity
    solvent extract
    Feronia elephantum
    Rutaceae
    medicinal plant
    health care
    human disease
    plant extract
    Opis:
    Medicinal plants play an important role for health care. Medicinal plants have ability to cure both infectious and non infectious diseases. According to an estimate about 25 % of medicines are derived from plants. The objective of the present study was to evaluate the antifungal activity of Feronia elephantum Correa by using Agar well diffusion assay. The fungal strains used in this research work were Aspergillus niger, Penicillium exspansum, Candida albicans and Fusarium oxysporum. The length of inhibition zone was measured in millimetres. The results were referenced against Glucanazole antifungal agent. Methanolic fruit extract showed maximum antifungal activity against most of the strains where as moderate antifungal potential was shown by leaf extract in aqueous extract.
    Źródło:
    International Letters of Natural Sciences; 2014, 07
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of antioxidant activity of in vitro propagated medicinal Ceratophyllum demersum L. extracts
    Autorzy:
    Emsen, B.
    Dogan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11887732.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    Ceratophyllaceae
    hornwort
    Ceratophyllum demersum
    plant propagation
    in vitro propagation
    plant regeneration
    plant extract
    antioxidant activity
    methanol extract
    metal chelating
    medicinal use
    reducing power
    Opis:
    Ceratophyllum demersum L. is a medical plant of the family Ceratophyllaceae that has been traditionally used for the treatment of diseases such as ulcer, diarrhoea, wounds and fever since ancient times. This study presents antioxidant activities of water and methanol extracts of in vitro propagated C. demersum. Shoot tip explants of C. demersum for in vitro plant regeneration were cultured on liquid Murashige and Skoog (MS) medium containing 0.25–1.25 mg/L 6-Benzylaminopurine (BAP) and 0.10 mg/L Thidiazuron (TDZ) combinations for eight weeks. Maximum number of plantlets per explant (110.67) was obtained on MS medium supplemented with 0.75 mg/L BAP + 0.10 mg/L TDZ. In order to determine antioxidant activities of C. demersum, antioxidant contents (β-carotene, flavonoid, lycopene and total phenols), metal chelating and reducing power capacities of methanol and water extracts obtained from C. demersum were investigated. It was detected that water extract was more effective in all activities. Total phenols (76.55 μg/mg) in water extract were measured as the highest antioxidant component. Based on the water extracts data, as IC50 value for chelating on ferrous ions was 9.24 mg/mL, EC50 value for reducing power activity was 8.23 mg/mL. It was also determined that the metal chelating and reducing power activities of the both extracts are increased depending on the concentration. Therefore, all these data suggest that both tested extracts of in vitro propagated C. demersum would exert beneficial effects by virtue of their antioxidant properties and may be utilized as a promising source of therapeutics.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 1; 23-33
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antioxidant and anti-candida activity of selected medicinal plants of Indian origin
    Autorzy:
    Prajapati, S.
    Bhardwaj, A.
    Gupta, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2049066.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    fungal disease
    antioxidant
    medicinal plant
    antifungal activity
    Candida albicans
    plant extract
    Terminalia chebula
    Thuja occidentalis
    Syzygium jambolanum
    przeciwutleniacze
    medycyna tradycyjna
    działanie przeciwgrzybicze
    wyciąg roślinny
    rośliny lecznicze
    Opis:
    Introduction: Fungal disseases are the most common opportunistic infection. Objective: The main aims of the study were to determine phenolic content and to evaluate the antioxidant and anti-candida activity of the selected Indian-origin plant extracts from the fruit pulp, stem, leaves, and seeds of three plants of Indian origin. Material and methods: The extracts from Terminalia chebula, Thuja occidentalic and Syzygium jambolanum were investigated. The total phenolic content, antioxidant potential of different crude extracts was accessed using the free radical, 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). Anti-candida activity was evaluated using disk diffusion method and broth dilution assay against Candida albicans. Results: Ethanol and methanol extracts of Indian traditional plants possessed high radical scavenging activity: T. chebula 29.38±0.15, T. occidentalis 6.26±0.24 and S. jambolanum 25.64±0.18 at 0.32 mg/ml. The extracts exhibited good zones of inhibition diameters ranged between: for T. chebula 6.33±0.57 mm and 19.66±1.52 mm in diameter, S. jambolanum 7.00±00 mm and 23.33±1.52 and T. occidentalis 7.66±0.57 and 17.00±1.00 mm. C. albicans were susceptible to all three tested extract at different concentrations. The lowest MIC 1.95 mg/ml was recorded with S. jambolanum while the T. chebula and T. occidentalis inhibited the growth at 3.90 mg/ml, respectively, against the C. albicans. Conclusion: The study result paves an overall view on the bioactivities of three traditional Indian medicinal plants crude extracts.
    Źródło:
    Herba Polonica; 2020, 66, 3; 1-12
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antimicrobial activity of leaf and flower extracts of Lippia nodiflora L. (Verbenacea)
    Autorzy:
    Zare, Z.
    Majd, A.
    Sattari, T.N.
    Iranbakhsh, A.
    Mehrabian, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/66574.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    antimicrobial activity
    leaf
    flower
    plant extract
    Lippia nodiflora
    Verbenacea
    frog fruit
    sawtooth fogfruit zob.frog fruit
    Turkey tangle zob.frog fruit
    Phyla nodiflora zob.Lippia nodiflora
    medicinal plant
    bacteria
    fungi
    Opis:
    Antimicrobial activities of the methanolic extracts from the leaves and flowers of Lippia nodiflora L. (Verbenaceae), were studied by the disk diffusion method. The extracts showed antimicrobial impact on bacteria such as Bacillus subtilis, B. cereus, Micrococcus luteus, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia, K. oxytoca and Esherichia coli as well as fungi such Aspergillus niger and Candida albicanse. The results showed that increasing concentrations of extracts increased the antimicrobial activities in all of the microorganisms. Bacteria were more sensitive than fungi, and gram positive bacteria were more sensitive than gram negative ones.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 4
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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