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Journal of Medicinal Plants and By-products، جلد ۱۰، شماره ۲، صفحات ۱۶۹-۱۷۷
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عنوان انگلیسی Photocatalytic Activity of Titanium Dioxide Nanoparticles (TiO2) on the Physiological and Phytochemical Properties of Stevia [Stevia rebaudiana (Bertoni) Bertoni]
چکیده انگلیسی مقاله This study investigated the photocatalytic effect of titanium dioxide nanoparticles on some physiological and phytochemical properties of stevia plant. Stevia plant was treated with eight concentrations of titanium dioxide nanoparticles (0, 20, 40, 60, 80, 100, 200 and 400 µL/L). After 3 weeks of plants treatment, samples were collected for analysis of chlorophyll, PAL enzyme activity, total phenol and flavonoid content. Also extraction of plant for assessment of steviosides and rebaudiosides glycosides by HPLC was performed. The results showed that treatment of titanium dioxide nanoparticles at 400 µL/Lconcentration had the highest and at control had the lowest effect on chlorophyll content of leaves, total phenol, total flavonoid and Phenylalanine ammonia lyase enzyme activity. Glycoside content showed that treatment of nanoparticle at 200 µL/L concentration had the highest and control concentration had lowest effect on stevioside content. Rebaudiosides content showed that, nanoparticle at 400 µL/L had highest effect and at 20 and 40 µL/L had lowest effect on rebaudioside A and B content. But, nanoparticle at 80 µL/L had maximum effect, and at 20 and 40 µL/L had lowest effect on rebaudioside C and F content. It was concluded that varied concentration of nanoparticles has different effect on glycosides content that this results could apply for further technologies in agriculture industry.
کلیدواژه‌های انگلیسی مقاله Stevia, TiO2 nanoparticle, Photocatalytic, Photochemistry
نویسندگان مقاله Maedeh Sadat Rezaizad |
Plant Biology Group, Damghan Azad University, Damghan, Iran

Hosein Abbaspour |
Plant Biology Group, Tehran North Branch, Islamic Azad University, Iran

Hamid Hashemi-Moghaddam |
Chemistry Group, Damghan Azad University, Damghan, Iran

Mahyar Gerami |
Biology department, Sana Institute of Higher Education, Sari, Iran

Moazzameh Ramezani |
Plant Biology group, Urmia University, Urmia, Iran

نشانی اینترنتی https://jmpb.areeo.ac.ir/article_122886_289e32809871f0ce0250873c2eab0e51.pdf
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