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Title: Antioxidant potential of crude extract, flavonoid-rich fractions, and a new compound from the seeds of Cordia dichotoma
Authors: Usmani, Shazia
Hussain, Arshad
Wahab, Shadma
Kushwaha, Poonam
Khatoon, Shabana
Arif, Muhammad
Prakash, Om
Kamal, Mehnaz
Keywords: Antioxidant activity;Cordia dichotoma;DPPH;Flavonoids;Phytochemical;Thin-layer chromatography
Issue Date: Sep-2021
Publisher: CSIR-NIScPR, India
Abstract: The current study assessed the antioxidant activity of methanolic extract and different fractions of the seeds of Cordia dichotoma by 2,2-diphenyl-2-picrylhydrazyl hydrate method. Phytochemical screening of C. dichotoma seed extract was done using thin-layer chromatography technique and phytochemical methods. The percentage yield of secondary metabolites like alkaloids and saponins was also determined. The methanolic extract was subjected to isolation by Column Chromatography. Phytochemical screening revealed the presence of significant amounts of phenols and flavonoids in the extract. TLC analysis confirmed the presence of phytoconstituents with the application of derivatizing agents like aluminium chloride and anisaldehyde. Total phenolic and flavonoid contents obtained were 37.7 and 32.16% w/w, respectively. The crude seed extract of C. dichotoma showed inhibition at all concentrations in a dose-dependent manner. Maximum scavenging activity was exhibited by the methanolic extract with a low IC50 value. A new compound named Cordioside was also isolated from the same extract. The phytochemical screening of the seed extract showed the presence of rich amounts of phenolic compounds and flavonoids, which may be acting as the key factors responsible for the antioxidant activity. The results revealed that methanolic extract and the aqueous fraction of C. dichotoma seed possess a significant antioxidant activity.
Page(s): 437-44
ISSN: 0976-0512 (Online); 0976-0504 (Print)
Appears in Collections:IJNPR Vol.12(3) [September 2021]

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