Preliminary Phytochemical and Physicochemical Characterization of Gynura segetum (Lour) Merr (Compositae) Leaf

Purpose: To carry out phytochemical and physicochemical studies on the leaves of Gynura segetum. Methods: Preliminary phytochemical and physicochemical studies using chromatographic techniques,were carried out, Parameters evaluated include ash value, loss on drying and extractive value, amongst othe...

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Bibliographic Details
Published in:Tropical journal of pharmaceutical research 2013-10, Vol.12 (5)
Main Authors: Seow, Lay Jing, Beh, Hooi Kheng, Sadikun, Amirin, Asmawi, Mohd Zaini
Format: Article
Language:English
Subjects:
Ash value
Extractive
Gynura segetum
Quality control
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Summary:Purpose: To carry out phytochemical and physicochemical studies on the leaves of Gynura segetum. Methods: Preliminary phytochemical and physicochemical studies using chromatographic techniques,were carried out, Parameters evaluated include ash value, loss on drying and extractive value, amongst others. . Results: Phytochemical results revealed that the leaves of Gynura segetum contain alkaloid, terpene, flavonoid, tannin and saponin. Mean ash value (%) was 13.5 (total), 2.49 (acid-insoluble ash) and 6.14 (water-soluble ash). Loss on drying was 10.70 % while extractive value was 20.60 % in water and 14.13 % in ethanol. Thin layer chromatography (TLC) analysis indicates the presence of rutin in the methanol extract of G. segetum and this was supported by high performance liquid chromatography (HPLC) studies. Conclusion: Useful quantitative and descriptive data essential for identifying and characterizing the plant for the purpose of quality control are presented.
ISSN:1596-5996
1596-9827
DOI:10.4314/tjpr.v12i5.18