TY - JOUR AU - Alam, HM Iftekhar AU - Biswas, Anirban AU - Hosen, M Zakir AU - Islam , M Rabiul AU - Hossain, Sheikh Julfikar PY - 2021/09/29 Y2 - 2024/03/29 TI - Antioxidant Properties and Potentiality of Silver Nanoparticles Biosynthesis of Thirty-Five Edible Bangladeshi Fruits JF - Bangladesh Journal of Botany JA - Bangladesh J. Bot. VL - 50 IS - 3 SE - Articles DO - 10.3329/bjb.v50i3.55822 UR - https://www.banglajol.info/index.php/BJB/article/view/55822 SP - 445-451 AB - <p>A comparison of total polyphenols (TP) and flavonoids (TF) contents, antioxidant activity, and silver nanoparticles (AgNPs) biosynthesis potentiality of 35 common edible fruits in Bangladesh were studied. Among the fruits, <em>Emblica officinalis </em>showed the highest content of TP (89 mg gallic acid equivalent (GAE)/g powder), reducing power (OD, 1.98 at 1 mg powder/ml), and 2,2-diphenyl-1-picrylhydrazyl (DPPH)-free radical scavenging activity (95.6% at 0.5 mg powder/ml) whereas the highest content (17.3 mg (+)-catechin equivalent (CE)/g powder) of TF was recorded in <em>Garcinia cowa</em>. The inhibitory concentration 50 (IC<sub>50</sub>) for DPPH-free radical scavenging of <em>Annona reticulata</em>, <em>E. officinalis</em>, <em>G. cowa</em>, <em>Phoenix sylvestris</em>, <em>Psidium guajava </em>and <em>Syzygium cumini </em>were 180, 21.8, 172, 188.9, 162.4 and 176.2 μg powder/ml, respectively. <em>Litchi chinensis </em>showed the highest total antioxidant capacity (79 mg GAE/g powder) followed by <em>E. officinalis </em>(69 mg GAE/g powder). The fruits showed a very strong correlation (r<sup>2</sup> = 0.99) between TP and reducing power. <em>P. guajava </em>showed the highest potentiality (OD, 0.74 at 10 mg powder/ml) in the biosynthesis of AgNPs followed by <em>S. cumini</em>, <em>A. reticulata </em>and <em>P</em>. <em>sylvestris</em>. Therefore, most potential five fruits should be graded as <em>E. officinalis </em>&gt; <em>S</em>. <em>cumini </em>&gt; <em>P. guajava &gt; A. reticulata </em>&gt; <em>P</em>. <em>sylvestris</em>.</p><p>Bangladesh J. Bot. 50(3): 445-451, 2021 (September)</p> ER -