Determination of optimal conditions (concentration, pH and temperature) for the synthesis of silver nanoparticles produced by Zataria multiflora, Matricaria chamomillaand and Quercus brantii

Document Type : Original Article

Authors

1 Department of Biology, Faculty of Science, Lorestan University, Khorramabad, Iran

2 MSc of biochemistry, Department of Biology, Lorestan University, Khorramabad, Iran

Abstract

The aim of this study was to investigate the effect of temperature, concentration, and pH on the synthesis of silver nanoparticles produced by Zataria multiflora, Matricaria chamomilla, and Quercus brantii. Silver nanoparticles were synthesized by green synthesis by extracts of Zataria multiflora, Matricaria chamomilla،, and oak, which act as reducing agents. The reaction of the extract with silver nitrate and the change in color of the resulting solution indicates the formation of silver nanoparticles in the concentration, pH, and temperature. Also, the analysis of the solution with spectrophotometry at wavelengths 380-430 showed the synthesis of silver nanoparticles.

For the preparation of nanoparticles by the mentioned plants, the best ratio of silver nitrate to the extract, for oak flour, Zataria multiflora, and Matricaria chamomilla is 6 to 3 and for Oak Fruit Hull (Jaft) 6 to 1.5, The best temperature for Oak Fruit Hull, flour and Matricaria chamomilla is 60 ⁰C and for Zataria multiflora is room temperature, The best pH for Oak Fruit Hull and flour was pH =7, and for Zataria multiflora and Matricaria chamomilla was pH = 9. The results obtained from this study showed that Zataria multiflora, Matricaria chamomilla, and Quercus brantii. can be used to produce nanoparticles and use them in medicine and pharmacy.

Keywords

Technology of Medicinal and Aromatic Plants of Iran
Volume 4, Issue 1 - Serial Number 6
January 2022
Pages 66-57

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