alexa Aqueous Phase Lavender Leaf Mediated Green Synthesis of Gold Nanoparticles and Evaluation of its Antioxidant Activity
ISSN: 0974-8369

Biology and Medicine
Open Access

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Special Issue Article

Aqueous Phase Lavender Leaf Mediated Green Synthesis of Gold Nanoparticles and Evaluation of its Antioxidant Activity

Brajesh Kumar*, Kumari Smita, Karla Sofía Vizuete and Luis Cumbal

Centro de Nanociencia y Nanotecnologia, Universidad de las Fuerzas Armadas ESPE, Av. Gral. Rumiñahui s/n Sangolqui, P.O. BOX 171-5-231B, Ecuador

*Corresponding Author:
Brajesh Kumar
Centro de Nanociencia y Nanotecnologia
Universidad de las Fuerzas Armadas ESPE
Av. Gral. Rumiñahui s/n Sangolqui, P.O. BOX 171-5-231B, Ecuador
Tel: (+593) 2 3989492
E-mail: [email protected]

Received date: April 15, 2016; Accepted date: May 10, 2016; Published date: May 15, 2016

Citation: Kumar B, Smita K, Vizuete KS, Cumbal L (2016) Aqueous Phase Lavender Leaf Mediated Green Synthesis of Gold Nanoparticles and Evaluation of its Antioxidant Activity. Biol Med (Aligarh) 8: 290. doi:10.4172/0974-8369.1000290

Copyright: © 2016 Kumar B, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.



In this paper, green synthesis of gold nanoparticles (AuNPs) using leaf extract of Lavender (Lavandula angustifolia) and their antioxidant activity was evaluated under the ambient aqueous phase condition. Assynthesized AuNPs were characterized by visual, ultraviolet–visible–near infrared (UV–vis–NIR) spectroscopy, transmission electron microscopy (TEM), and dynamic light scattering (DLS) technique. Formation of AuNPs produces an intense absorbance peak at 530 and 1055 nm in UV–visible spectroscopy. TEM and DLS results confirmed that the synthesized AuNPs were crystalline, polydisperse, quasi-spherical and triangular shape with an average size ranging from 34–300 nm. UV-vis-NIR, TEM, and DLS study showed that the phytochemicals from the Lavender leaf extract have dual properties of reducing and stabilizing agents. Further, AuNPs (21.53%, 0.2 mL) showed higher antioxidant activity than Lavender leaf extract (4.73%, 0.2 mL) against 2,2-diphenyl-1-picrylhydrazyl. On looking these advantages, green synthesis of AuNPs without inert atmosphere is highly recommended for future medicinal and industrial application.

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