Antioxidant Activity and Biogenic Synthesis of Selenium Nanoparticles Using the Leaf Extract of Aloe Vera

Abstract

Objective: The objective of this present study were to the biogenic synthesis of selenium nanoparticles using Aloe vera extract and check it's antioxidant potential by ABTS, DPPH and FRAP assays. Methods:In this study we investigated the clove of Aloe vera, which is used for the synthesis of selenium nanoparticles were characterized by using UV-Visible (UV-VIS) spectrophotometer, Transmission electron microscopy (TEM), Fourier transform spectroscopy (FTIR) and Energy dispersive XRay spectroscopy (EDAX) and ABTS, DPPH and FRAP assays for checked it's antioxidant potential.Results: The present study was carried out to synthesis of Selenium nanoparticles using extract of Aloe vera. UV-Vis Spectra at 350 nm with Aloe vera extract and observed as hollow and spherical particles in size ranging 7-48 nm which is found more stable more than two months. EDAX analysis was carried out to check the presoak of Selenium in nanoparticles. Results of EDAX, confirmed its present. TEM and SEAD represented addition evidence of formation of nanoparticles whereas SEAD indicates the particles were crystalline in nature. FT-IR analysis was carried out to identify the possible bio molecules and Aloe vera extract-metal ions interaction responsible for formation and stabilization of selenium nanoparticles. FRAP, ABTS and DPPH assay results sequester that Selenium nanoparticles prepared using Aloe vera extract possess more activity than extract alone. Conclusion:The bio molecules of Aloe vera extract acted as stabilizing as well as capping agent leading to the formation of Selenium nanoparticles. Selenite has been proven to have antioxidant activity and is being used as chemoprevention agent in cancer diagnosis but same time it is toxic also. Elemental Selenium i.e. Selenium nanoparticles are less toxic form of selenium.

Biosynthesis and Characterization, Antioxidant and Antimicrobial Activities of Selenium Nanoparticles from Ethanol Extract of Bee Propolis

“…The reduction of selenium ions into SeNPs induced by propolis extracts was confirmed by the conversion of color from light brown to reddish orange after the addition of acidic sodium selenite solution which is the most significant property of nanoparticles. Result is in accordance with the previous report [39] on synthesis of SeNPs mediated by aqueous extract of Aloe vera leaf. Present results also correlates with UV-visible spectra of SeNPs biosynthesised from the aqueous extract of orange peel and Petroselinum crispum leaf showed the peak at 265.5-270 nm respectively [40,41].…”

“…However, the propolis samples collected from Karnataka exhibited an effective radical inhibition in all the assays compared to other states. SeNPs are less toxic form of selenium, has been proved to have antioxidant activity and is being used as chemopreventive agent in cancer treatment [39]. Nanoparticles are endorsed as sustainable antimicrobial agents having remarkable perspective to resolve the microbial multidrug resistance problem [51,52] and microbial biofilm formation [12,53].…”

Use of Aloe Vera Gel-Based Edible Coating with Natural Anti-Browning and Anti-Oxidant Additives to Improve Post-Harvest Quality of Fresh-Cut ‘Fuji’ Apple

“…The results at the end of the storage period indicated that the CTR and the AVG-treatment lost 4.98% and 2.92%, respectively, while the AVG/HPMC and AVG/LEO treatments minimized weight loss (1.50% and 1.56%, respectively) by maintaining the water content in fresh-cut apple. In fact, this weight loss is probably caused by the water evaporation on the fruit surface and is a leading cause of quality loss, such as shriveling of the surface and decreased juiciness [6,42]. Nonetheless, there are not many studies available in the literature concerning the mixing of HPMC with Aloe vera gel and lemon essential oil to form edible or biodegradable films or packages, to compare with our data.…”

“…The ammonia formed during this distillation was collected in a boric acid solution and determined through titrimetric dosage. The value of ammoniacal nitrogen was multiplied by 6.25 [42].…”

Antibacterial, Antioxidant, and Anticancer Activities of Biosynthesized Selenium Nanoparticles Using Two Indigenous Halophilic Bacteria

“…According to the findings of a study conducted by Shubharani et al, there is a significant relationship between the antioxidant activity of SeNPs and increasing its concentration (24). In addition, in another study performed by Vyas et al, the antioxidant activity of garlic (Allium sativum) extract was evaluated, and the inhibition effect of SeNPs in a 600-µM concentration was 67%, depending on the dose of SeNPs (30).…”