Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26123
Title: A comparative study on antioxidant activity of ten different parts of Nelumbo nucifera Gaertn
Authors: Wu, YB
Zheng, LJ
Yi, J
Wu, JG
Tan, CJ
Chen, TQ
Wu, JZ
Wong, KH 
Keywords: Louts (Nelumbo nucifera)
Total phenolic content
Total flavonoid content
Total proanthocyanidin content
Antioxidant activity
Issue Date: 2011
Publisher: Academic Journals
Source: African journal of pharmacy and pharmacology, 2011, v. 5, no. 22, p. 2454-2461 How to cite?
Journal: African Journal of Pharmacy and Pharmacology 
Abstract: The in vitro antioxidant activity of ten different parts of lotus (Nelumbo nucifera Gaertn.) was evaluated and compared. Among the ten lotus extracts, the receptacle did not only possessed the highest phenolic, flavonoid and proanthocyanidin contents, but its 2-picrylhydrazyl free (DPPH) and 2, 2'-Azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activities, reducing power as well as total antioxidant activity were also comparable to, if not better than those of the butylated hydroxytoluene (BHT) control (p < 0.05). Compared with the BHT, all ten lotus extracts even exhibited significantly (p < 0.05) higher metal chelating activity. Nevertheless, the hydroxyl radical scavenging ability of all ten lotus extracts was significantly (p < 0.05) lower than that of the ascorbic acid control. In contrast to the metal chelating ability, phenolic compounds in the ten lotus extracts would likely be responsible for their DPPH and ABTS radical scavenging activities.
URI: http://hdl.handle.net/10397/26123
ISSN: 1996-0816
DOI: 10.5897/AJPP11.352
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