scholarly journals Isolation and characterization of chemical constituents, cytotoxicity, antibacterial and antioxidant activity of the isolates, crude extract from Hornstedtia scyphifera var leaf

2020 ◽  
Vol 10 (2) ◽  
pp. 070-098
Author(s):  
Umaru Isaac John ◽  
Umaru Hauwa A ◽  
Yakubu Ojochenemi ◽  
Umaru Kerenhappuch Isaac
Keyword(s):  
Antioxidant Activity ◽  
Crude Extract ◽  
Chemical Constituents ◽  
Isolation And Characterization ◽  
Antibacterial And Antioxidant Activity

A review on phyto-pharmacology of Oxalis corniculata

2021 ◽  
Vol 24 ◽  
Author(s):  
Iqra Sarfraz ◽  
Azhar Rasul ◽  
Ghulam Hussain ◽  
Muhammad Ajmal Shah ◽  
Bushra Nageen ◽  
...  
Keyword(s):  
Clinical Trials ◽  
Biological Activities ◽  
Chemical Constituents ◽  
Current Effort ◽  
Isolation And Characterization ◽  
Anti Cancer ◽  
Anti Oxidant ◽  
Anti Fungal ◽  
Warm Temperate

: Oxalis corniculata (Oxalidaceae) is a small decumbent and delicate appearing medicinal herb flourishing in warm temperate and tropical domains such as Pakistan and India. Main bioactive chemical constituents of Oxalis plant include several alkaloids, flavonoids, terpenoids, cardiac glycosides, saponins, phlobatannins along with steroids. Due to its polyphenolic, glycosides and flavonoid profile, it is proved to be protective in numerous ailments and exhibit various biological activities such as anti-fungal, anti-cancer, anti-oxidant, anti-bacterial, anti-diabetic, and cardioprotective. Moreover, bioactive phytochemicals from this plant possess significant wound healing potential. Our current effort intends to emphasize on the immense significance of this plant species, which have not been the subject matter of clinical trials and effective pharmacological studies, even though its favored usage has been stated. This review proposes that Oxalis corniculata possess potential for the cure of various diseases, however, further researches on isolation and characterization of bioactive compounds along with pre-clinical trials are compulsory to figure out its pharmacological applications.

scholarly journals Biflavonoids from the Unripe Fruits of Clusia Paralicola and their Antioxidant Activity

2012 ◽  
Vol 7 (12) ◽  
pp. 1934578X1200701 ◽  
Author(s):  
Rafaela Ferreira Oliveira ◽  
Celso Amorim Camara ◽  
Maria de Fátima Agra ◽  
Tania Maria Sarmento Silva
Keyword(s):  
Antioxidant Activity ◽  
Linoleic Acid ◽  
Spectral Data ◽  
2D Nmr ◽  
Cd Spectra ◽  
Total Extract ◽  
Isolation And Characterization ◽  
Β Carotene ◽  
Unripe Fruits

Investigation of the green fruits of Clusia paralicola (Clusiaceae) led to the isolation and characterization of two 3,8″-biflavonoids, 2R, 3S, 2″R, 3″R-GB1-7″- O-β-glucoside (1) and 2R, 3S, 2″R, 3,8″-binaringenin-7″-O-β-glucoside (2), together with four known compounds: β-sitosterol, stigmasterol, β-amyrin, and epicatechin. The structures were established from the IR, LC-ESI-MS and NMR spectral data, including 2D-NMR experiments. The absolute configurations of 1 and 2 were determined by CD spectra. The total extract and the biflavonoids demonstrated significant antioxidant activity in DPPH, ABTS, and β-carotene/linoleic acid tests.

scholarly journals Isolation and Characterization of Lupeol from the Stem of Tapinanthus globiferus (A Rich.) and its Antimicrobial Assay

2020 ◽  
Vol 24 (6) ◽  
pp. 1015-1020
Author(s):  
V. Emaikwu ◽  
I.G. Ndukwe ◽  
R. Mohammed ◽  
O.R.A. Iyun ◽  
J.V. Anyam
Keyword(s):  
Spectral Analysis ◽  
Ethyl Acetate ◽  
Column Chromatography ◽  
Crude Extract ◽  
Solvent System ◽  
Pentacyclic Triterpenoid ◽  
Isolation And Characterization ◽  
Reported Data ◽  
Antimicrobial Assay

Lupeol, a pentacyclic triterpenoid, was isolated from hexane and ethyl acetate solvent system. In antiquity, the stem and leaf infusion of Tapinanthus globiferus has been used ethno-medicinally as a remedy for stomach ache, diarrhea, dysentery, and wounds. Lupeol isolation from this species was carried out by column chromatography after concentrating the crude extract using a rotary evaporator, and the structure was determined by analysis of the isolate by IR, 13CNMR, 1HNMR, HSQC, and HMBC spectral analysis as well as comparison with reported data. This is the first isolation of lupeol from the stem of this species. Keywords: Tapinanthus globiferus, Column chromatography, dysentery, Lupeol

scholarly journals Isolation and characterization of flavone di-glucoside and acetoxyxanthone from the flowers of Bombex ceiba

2011 ◽  
Vol 3 (1) ◽  
pp. 128-130 ◽  
Author(s):  
S. C. Sati ◽  
Maneesha D. Sati ◽  
Amita Sharma
Keyword(s):  
Chemical Constituents ◽  
Ethanolic Extract ◽  
Isolation And Characterization

In present study two chemical constituents viz. Flavon 5,4’ dimethoxy 8 methyl 7-O- β -D glucopyranoside-5’- β -D-glucopyranoside and xanthone 3-acetoxy-1-hydroxy-6-methoxy8-O– β –D-glucopyranosyl-(1 → 3)- α –L- rhamnopyranoside from the ethanolic extract of flowers of Bombex ceiba have been isolated and characterized.

Extraction, Isolation and Characterization of New Compound and Anti-Bacterial Potentials of the Chemical Constituents Compound from Leptadenia Hastata Leaf Extract

2019 ◽  
Author(s):  
Isaac Umaru ◽  
Fasihuddin A. Badruddin ◽  
Hauwa A. Umaru
Keyword(s):  
Disease Control ◽  
Leaf Extract ◽  
Chemical Constituents ◽  
Research Work ◽  
Isolation And Characterization

The research work is all about drug discovering in plants through isolation and characterization in the cause of looking an agent for infectious and disease control.

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