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    Wyświetlanie 1-11 z 11
    Tytuł:
    Phytochemical Study of Selected Medicinal plant, Solanum Nigrum, the Algerian Desert
    Autorzy:
    Djaafar, Z.
    Ridha, O. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/412362.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Medicinal plants
    Solamun Nigrum
    Phytochemical analysis
    Opis:
    Solanum Nigrum plant contains many compounds of High utility, such as: alkaloids, saponin, and others. Through this study in the field of plant chemistry that we can know all the components of the various parts (leaves, twigs, flowers, fruits and roots) of the plant Solanum Nigrum, and enhance the classification of the operations during the disclosure of the components of the plant and contents of secondary metabolism and some of which adopted the newly particularly alkaloids and terpenes as genetic indicators.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 1; 25-30
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemical composition of Dacyrodes edulis seed oil
    Autorzy:
    Okafor, N. A.
    Ezim, O. E.
    Anadebe, V. C.
    Ume, C. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1113674.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Dacyrodis edulis seed
    FTIR Analysis
    GC-Analysis
    Phytochemical Analysis
    Opis:
    Dacyrodes edulis seed were collected peeled, dried and powdered. The oil were extracted by simple method of cold extraction, the extracts were characterized by the Phytochemical analysis, Fourier transform infrared spectroscopy (FTIR) and Gas Chromatography (GC) to identify the fatty acid profile present in the seed oil. The FTIR analysis shows the variation of the peaks which indicate there is synergy among the functional groups of the extract. The phytochemical analysis revealed the presence of alkaloids, flavonoids, phenol, saponins, tannins and steroids, the study reveal the chemical constituents of Dacyrodes edulis seed oil that these constituents may be behind their medicinal values in phytomedicine.
    Źródło:
    World News of Natural Sciences; 2017, 14; 72-78
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spectroscopic analysis of phytochemical compounds in Garcina kola leaf extract
    Autorzy:
    Anadebe, V. C.
    Okafor, N. A.
    Okafor, B. O.
    Emmanuel, C. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/1113583.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    FTIR Analysis
    GC-MS
    Garcina kola leaf
    Phytochemical Analysis
    Opis:
    Garcina kola leaves were collected, washed, dried and powdered. The ethanol extracts were first prepared by the simple method of cold extraction. The extracts were then characterized by the Phytochemical analysis, Fourier transform infrared spectroscopy (FTIR) and Gas chromatography mass spectroscopy (GC-MS) to identify the fatty acids and heterocyclic compounds present in the leaf extracts. The FTIR analysis shows a variation of the peaks that indicate there is synergy among the functional groups of the extract. Moreover, the phytochemical analysis revealed the presence of alkaloids, flavonoids, phenol, saponins, tannins and steroids. The study reveals that the chemical constituents of Garcina kola leaf may be behind their medicinal values in phytomedicine.
    Źródło:
    World News of Natural Sciences; 2017, 15; 162-168
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phytochemical and in vitro antioxidant assessment of Yoyo bitters
    Autorzy:
    James-Okoro, Paula-Peace O.
    Iheagwam, Franklyn N.
    Sholeye, Mariam I.
    Umoren, Itoroobong A.
    Adetuyi, Babatunde O.
    Ogundipe, Adebanke E.
    Braimah, Adefoyeke A.
    Adekunbi, Tobi S.
    Ogunlana, Oluseyi E.
    Ogunlana, Olubanke O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031418.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    GCMS
    Yoyo herbal bitters
    antioxidant assay
    in vitro
    phytochemical analysis
    Opis:
    In this paper, herbal bitters are widely used due to their numerous acclaimed health benefits in many Nigerian homes; however, many have not been subjected to scientific scrutiny. The aim of this study was to determine the phytochemical composition and antioxidant capacity of a non-alcoholic polyherbal formulation, Yoyo bitters, towards validating its broad pharmacological claims. The phytochemical components of Yoyo bitters were ascertained by phytochemical screening assays and gas chromatography-mass spectrometry (GC-MS). The antioxidant activity was investigated in vitro using 2,2-diphenyl-1-picryhydrazyl (DPPH) radical, hydrogen peroxide (H2O2) scavenging activity, total antioxidant capacity (TAC) and ferric reducing antioxidant power (FRAP) assays. Qualitative phytochemical analysis of Yoyo bitters showed the presence of saponins, tannins, flavonoids, terpenoids, cardiac glycosides and anthocyanins. The total phenols, flavonoids, flavanols, tannins and carotenoids content were 14.741 ±0.64 mg GAE/ml, 0.152 ±0.01 mg RE/ml, 0.437 ±0.02 mg RE/ml, 0.368 ±0.04 mg TAE/ml and 0.016 ±0.00 mg CAE/ml respectively. GC-MS chromatogram revealed the presence of forty-three (43) phytochemical compounds with D-allose (41.81%), 1,6-anhydro-beta-D-glucofuranose (24.15%), 5-hydroxymethylfurfural (8.02%) and Z-6-pentadecen-1-ol acetate (3.50%) as the most abundant constituents. Yoyo bitters demonstrated effective antioxidant activity against DPPH and H2O2 with IC50 values of 0.492 mg/ml and 0.629 mg/ml respectively compared to ascorbic acid of 0.161 mg/ml and 0.130 mg/ml respectively. Total antioxidant capacity and ferric reducing antioxidant power of Yoyo bitters were 0.432 mg AAE/ml and 2.236 mg AAE/ml respectively. This study validates the antioxidant capacity of Yoyo bitters and provides chemical basis for its acclaimed pharmacological actions.
    Źródło:
    World News of Natural Sciences; 2021, 37; 1-17
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Berberine from Argemone mexicana L exhibits a broadspectrum antibacterial activity
    Autorzy:
    More, Nilesh
    Kharat, Kiran
    Kharat, Arun
    Powiązania:
    https://bibliotekanauki.pl/articles/1038553.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    antibacterial potentiality
    Argemone mexicana
    aqueous
    methanolic extract
    HPLC
    NMR and phytochemical analysis
    Opis:
    The Argemone mexicana L, commonly found on desolate land in the Marathwada region of Maharashtra state, India, has been used for treating oral cavity infections. We sought to investigate the antimicrobial potential of A. mexicana L. In this study, cold aqueous and methanolic extracts were prepared from the A. mexicana L leaves. These extracts were tested for their antibacterial activities against selected bacterial isolates. The antibacterial activity and MICs were tested using the agar well diffusion method and broth dilution method, respectively. The cold aqueous and methanolic extracts of A. mexicana L leaves inhibited growth of clinical isolates of Staphylococcus aureus, Bacillus cereus, Escherichia coli and Pseudomonas aeruginosa.The antibacterial potentiality of A. mexicana L extracts was compared with Streptomycin - the reference antibiotic used in this study. The active ingredient of antibacterial potentiality within the A. mexicana L extract was purified and characterized by TLC, HPLC and NMR analysis. Structural elucidation of Berberine and its bioactivity both, from the A. mexicana L and commercial preparation, is investigated.
    Źródło:
    Acta Biochimica Polonica; 2017, 64, 4; 653-660
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sex-related differences in the dioecious species Rumex thyrsiflorus Fingerh. – analysis of the content of phenolic constituents in leaf extracts
    Autorzy:
    Dziedzic, K.
    Szopa, A.
    Waligorski, P.
    Ekiert, H.
    Slesak, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117817.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Rumex thyrsiflorus
    thyrse sorrel
    dioecy
    sex-related differences
    sexual dimorphism in
    plants
    phenolic compounds
    phytochemical analysis
    HPLC-DAD
    Opis:
    Rumex thyrsiflorus Fingerh. is mentioned as a European folk medicinal plant. This species has also been traditionally used as an edible plant in Eastern Europe because of its nutritional value. During the study, qualitative and quantitative sex-related differences of phenolic constituents in methanolic leaf extracts of R. thyrsiflorus were evaluated. The presence of the same substances (nine phenolic acids before, and six phenolic acids after acid hydrolysis, nine flavonoids, and a catechin) was estimated in both female and male specimens, using the HPLC-DAD method. A statistically significant higher content of eleven constituents in female plant extracts (acids: chlorogenic, p-coumaric, cryptochlorogenic, gallic, protocatechuic, neochlorogenic, vanillic; flavonoids: quercitrin, rhamnetin, rutoside; and a catechin) was shown. This is the first report concerning the relation between the sex and the content of biologically active phenolic secondary metabolites in leaf extracts of R. thyrsiflorus. Female plants of R. thyrsiflorus could be useful for pharmaceutical purposes as a preferential source of bioactive phenolic acids, flavonoids and especially catechin.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2020, 62, 1; 43-50
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of phytochemical composition and in vitro antioxidant potential of Cyathea latebrosa leaves
    Autorzy:
    Ikpa, Chinyere B. C.
    Maduka, Tochukwu D. O.
    Ikpa, Chinomnso Uzoamaka
    Powiązania:
    https://bibliotekanauki.pl/articles/1193436.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Characterization
    Cyathea latebrosa
    GC/MS analysis
    Phytochemical
    Treatment
    antioxidant
    in vitro
    phytochemical composition
    Opis:
    Phytochemicals and antioxidant potentials of chloroform extract of leaves of Cyathea latebrosa have been investigated. The metabolites detected are Carbohydrates, starch, glycosides, saponins, alkaloids, tannins, flavonoids, sterols, terpenes, and polyuronides. Quantitative Phytochemical analysis gave alkaloid (0.08×102 ±0.02), saponins (0.16×102 ±0.02), tannin (0.11×102 ±0.01), flavonoid (0.16×102 ±0.01), and phenol (0.18×102 ±0.01). FT-IR (KBr) cm-1 analysis showed -NH-(3433.41 weak), -OH- (3851.01 sharp), -C-F (1408.8 strong) –SO-(1101.39) and Ar (1646.3 weak), GC/MS characterization revealed the extract contained [2-Aziridinylethyl]amine (70.7%), Benzeneethamine, 3-fluoro-β,5-dihydroxy-N-methyl (14.0%), N-Methyltaurine (10.7%) and (R)-(-)-2-Amino-1-propanol (3.15%). The presence of these compounds exposed the leaves as a potential remedy for alleviated cold, cancer, malaria and to regulate immune functions. At 400 µg/ml concentration the extract and ascorbic acid produced 54.34% and 96.02% antioxidant activity respectively. The FRAP values were significantly (p < 0.05) low than the value of ascorbic acid (2µ M). The plant extracts showed low antioxidant potential even on higher concentrations when compared to reference standard ascorbic acid.
    Źródło:
    World Scientific News; 2021, 157; 25-37
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification of anti-cyanobacterial leads targeting carbonic anhydrase from phytochemical database using in silico approach
    Autorzy:
    Padhiary, Archana
    Mir, Showkat A.
    Tete, Sheary S.
    Baitharu, Iswar
    Nayak, Binata
    Powiązania:
    https://bibliotekanauki.pl/articles/16704466.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    phytochemical database
    lead optimizations
    ADMET analysis
    molecular docking simulations
    Opis:
    In cyanobacteria, carbonic anhydrase (zinc metalloenzyme) is a major enzyme that converts CO2 to HCO3 maintaining the carbon concentration around the vicinity of RuBisCo, leading to cyanobacterial biomass generation. Anthropogenic activities, disposal of leached micro nutrients effluents from industries into the aquatic environment results in cyanobacterial blooms. The harmful cyanobacteria release cyanotoxins in open-water system which on ingression through oral route causes major health issues like hepatotoxicity and immunotoxicity. A database was prepared consisting of approximately 3k phytochemicals curated from previous literatures, earlier identified by GC-MS analysis. The phytochemicals were subjected to online servers to identify the novel lead molecules which followed ADMET and drug-like candidates. The identified leads were optimized by density functional theory method using B3YLP/G* level of theory. Carbonic anhydrase chosen as target to observe the binding interaction through molecular docking simulations. From the molecules included in the database the highest binding energy exhibited by alpha-tocopherol succinate and mycophenolic acid were found to be -9.23 kcal/mol and -14.41 kcal/mol and displayed interactions with GLY A102, GLN B30, ASP A41, LYS A105 including Zn2+ and their adjacent amino acids CYS 101, HIS 98, CYS 39 in both chain A and chain A-B of carbonic anhydrase. The identified molecular orbitals decipher computed global electrophilicity values (Energy gap, electrophilicity and Softness) of alpha tocopherol succinate and mycophenolic acid were found to be (5.262, 1.948, 0.380) eV and (4.710, 2.805, 0.424) eV demonstrates both molecules are effective and stable. The identified leads may serve as a better anti-carbonic anhydrase agent because they accommodate in the binding site and hampers the catalytic activity of Carbonic anhydrase thus inhibiting the generation of cyanobacterial biomass. This identified lead molecules may serve as a substructure to design novel phytochemicals against carbonic anhydrase present in cyanobacteria. Further in vitro study is necessary to evaluate the efficacy of these molecules.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2023, 104, 2; 121-136
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phytochemical screening and proximate analysis of the bark of Piptadeniastrum africanum Hook (Fabaceae)
    Autorzy:
    Owoeye, E. A.
    Ogboru, R. O.
    Bakpolor, V. R.
    Omobude, D. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1112345.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Piptadeniastrum africanum
    phytochemical screening
    plant bark extracts
    proximate analysis
    Opis:
    Herein, the stem bark extract of Piptadeniastrum africanum Hook (F.) (used in folklore medicine for treating several illnesses), were screened for phytochemicals. The chemical screening revealed the presence of some phytochemicals - saponins, alkaloids, tannins, anthraquinones, glycosides and cardiac glycosides. Other phytochemicals - phenols and flavonoids - were absent in the bark extract. Proximate analysis on the bark extract also showed the presence of ash, fat, carbohydrate, moisture content and crude protein. The presence of these phytochemicals lends credence to the medicinal benefits it has been used for in the past years.
    Źródło:
    World News of Natural Sciences; 2018, 19; 135-141
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of phytochemical constituents of Methanol extract of Moringa oleifera Lam. whole leaf by Gas Chromatography-Mass Spectrometry and Fourier transform infrared spectroscopy analysis
    Autorzy:
    Okechukwu, Victor Uchechukwu
    Eze, Sunday Onyekwere
    Omokpariola, Daniel Omeodisemi
    Okereke, Janefrancess Chinemerem
    Powiązania:
    https://bibliotekanauki.pl/articles/1031420.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    FT-IR analysis
    GC-MS analysis
    Moringa oleifera
    methanol extract
    phytochemical constituents
    Opis:
    The research study evaluated the phytochemical constituents of Methanol extracts of Moringa oleifera whole leaf by Gas Chromatography-Mass Spectrometry (GC-MS) and Fourier transform infrared spectroscopy (FT/IR) analysis. The leaves was washed, air dried for 2 weeks, then ground into a fine powder and extracted using methanol by maceration for 24 hours using standard procedures. After the contact time elapsed, the solvent filtered to recover the extract. The functional groups and the chemical constituents of the methanol extract of Moringa oleifera leaves investigated using Fourier transform infrared spectroscopy (FT/IR) and Gas Chromatography-Mass Spectrometry (GC-MS) respectively. The FT/IR analysis confirmed the presence of O-H, C=C, C-H, C-O, CH3 and C=C-H bond stretching functional groups, which indicates that the substance is an aliphatic alcohol, ester, aldehyde and carboxylic acid. However, the fingerprint region had a pattern that is specific for every molecule, the presence of -OH function and N-O stretch; suggest that or alcohols and nitrogen or aromatic or aliphatic phenols containing molecules are major components of the Moringa oleifera leaf studied. GC-MS analysis of the extract reveals the identification of twenty compounds, in which two compounds were identified in each peak. N,N'-Pentamethylenebis[s-3-aminopropyl thiosulfuric acid and 2-Myristynoyl pantetheine (100%), 2-Myristynoyl pantetheine and Deoxyspergualin (92.05%), 5-Octadecenal and 9-Hexadecenoic acid (27.94%). N,N'-Pentamethylenebis[s-3-aminopropyl thiosulfuric acid and Pentetic Acid are the major phytoconstituents. Most of the compounds in the list are bioactive and possess medicinal properties, which further justify the application of Moringa oleifera traditional plant in the discovery of novel therapeutics.
    Źródło:
    World News of Natural Sciences; 2021, 37; 18-30
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of development time on phytochemical characteristics of red mizuna (Brassica rapa L. var. nipposinica) sprouts
    Autorzy:
    Soluch, Agata
    Powiązania:
    https://bibliotekanauki.pl/articles/26917710.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
    Tematy:
    functional foods
    cruciferous sprouts
    red mizuna sprouts
    germination time
    phytochemical profile
    chromatographic analysis
    Opis:
    Germinating seeds constitute a natural source of substances that can be used to supplement food and increase its functionality. In this work, red mizuna (Brassica rapa L. var. nipposinica) in the form of sprouts was used as research materials. The main goal of this study was to investigate the effect of germination time on the phytochemical profile of health-promoting compounds in red mizuna sprouts. The metabolomic profile of water-methanol mizuna sprout extracts was analyzed by UPLCESI-MS/MS. In this work qualitative analysis of four mizuna sprout extracts collected after 4, 6, 8 and 11 days after sowing was carried out. Moreover, the phytochemical characterization of red mizuna seeds before the sprouting process was undertaken. Thirty-nine compounds were interpreted and the fact of the variability of the qualitative profile over time was confirmed. This is the first report to provide information on the differences in the phytochemical profile between sprouts of red mizuna subjected to the influence of germination time, in order to determine the harvesting and consumption maturity of the tested plant material.
    Źródło:
    Polish Journal of Agronomy; 2023, 52; 44-53
    2081-2787
    Pojawia się w:
    Polish Journal of Agronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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