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Total flavonoids, alkaloids, antioxidant assay and preliminary screening of secondary metabolites in root extract of some shrubs

Research Paper | November 1, 2017

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Muzafar Iqbal, Muhammad Nadeem, Shaista Jabeen, Noreen Fatima, Shagufta Parveen

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Int. J. Biosci.11( 5), 270-276, November 2017

DOI: http://dx.doi.org/10.12692/ijb/11.5.270-276


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Biochemically active constituents of plants are crucial and contribute to increase the plant`s economic and medicinal values. Different secondary metabolites such as alkaloids, flavonoids, phenols and quinones protect the plants and also consumed as traditional health remedies. Furthermore, plant extracted secondary metabolites are being utilized in modern drugs manufacturing. The current study was carried to find out the preliminary screening of secondary metabolites, total flavonoids, total alkaloids content and antioxidant potential of roots extract. The result showed that more flavonoids content was found Capparis deciduas (22.02mg QE/g DW) followed by Withania somnifera (17.21mg QE/g DW), Salsola imbricata (12.36mg QE/g DW) and least content was detected in Carotalaria burhia (07.46mg QE/g DW) root extract. Total alkaloids content was found more in Capparis deciduas (28.78mg/100g) following by Withania somnifera (23.03mg/100g) Carotalaria burhia (19.67mg/100g) and Salsola imbricata (18.98 mg/100g) respectively. Root extract of selected plant species revealed substantial antioxidant potential in following order: Capparis deciduas (27.08%)> Withania somnifera (24.42%)> Salsola imbricata (17.06%)> Carotalaria burhia (13.46%).


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Total flavonoids, alkaloids, antioxidant assay and preliminary screening of secondary metabolites in root extract of some shrubs

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