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- W2186899355 abstract "In the current study, an attempt has been made to explore the phytoconstituents of Delonix regia (Boj. ex Hook) Raf through various phytochemical methods and to evaluate its antioxidant potential. Ethanolic extract of Delonix regia leaves is subjected to column chromatography using gradient elution technique. The petroleum ether and chloroform (1:1) fraction, which showed the presence of a single sterol is subjected to structural elucidation by spectroscopical methods such as UV, IR, 13 C NMR, 1 H NMR and mass spectroscopical studies. The isolated sterol is subjected to antioxidant studies by means of DPPH radical scavenging activity, nitric oxide radical scavenging assays and reducing power ability and lipid peroxidation assay. Ascorbic acid is used as the standard. The isolated compound is characterized as a cholestanol derivative, (16-(3,7,11,15-Tetramethyl-2-hexadecen-1-ol)-2-methylene(3α,5α)- cholestan-3-ol) and it is poor in its antioxidant potential as compared to the standard. Delonix regia (Boj. ex Hook) Raf which is known only for its ornamental value is found to be rich in its phytoconstituents. Isolation and characterization of phytoconstituents of the same may leads to the presence of a novel chemical entity which may be named as 16-(3,7,11,15-Tetramethyl-2-hexadecen- 1-ol)-2-methylene(3α,5α)-cholestan-3-ol. However, the isolated sterol is found to be a very week antioxidant as compared to the standard." @default.
- W2186899355 created "2016-06-24" @default.
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- W2186899355 date "2011-01-01" @default.
- W2186899355 modified "2023-09-27" @default.
- W2186899355 title "ISOLATION AND CHARACTERIZATION OF A NEW STEROIDAL DERIVATIVE AND EVALUATION OF ITS ANTIOXIDANT POTENTIAL FROM DELONIX REGIA (BOJ. EX. HOOK) RAF Research Article" @default.
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