期刊
SCIENTIA HORTICULTURAE
卷 265, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scienta.2020.109222
关键词
Nitrogen; Iron; Nanoparticle; Sweet basil; Antioxidant activity; Antimicrobial potential
类别
This study was conducted to evaluate the influences of [Fe-urea] nano-complex on phytochemical compounds, antioxidant activity and antimicrobial potential of the essential oil of sweet basil (Ocimwn basilicum L.). Three different levels (0, 0.1 and 0.2 %) of Fe-EDDHA, urea, and Fe-urea nano-complex were sprayed at 1) four leaved stage and 2) previous the flowering inception of sweet basil seedlings. The highest amount of the major compounds in the essential oil, epi-a-cadinol (27.09 +/- 2.5 %) and trans-a-bergamotene (14.93 +/- 1.77 %), were achieved by the application of 0.2 % n[Fe-urea]. Application of 0.2 % n[Fe-urea] in comparison with control treatment decreased the n-Decane quantity significantly (by 99.1 %). Amongst the flavonoids and phenolic compounds, rosmarinic acid was the prevailing compounds in basil's essential oils. The highest amount of rosmarinic acid (5.81 +/- 0.18 mg g(-1)) was found in 0.2 % [Fe-urea] nano-complex treatment. The highest antioxidant activity (21.98 +/- 1.3 mg AAE g(-1)) was found in n[Fe-urea] treated plants. Also, The lowest minimal inhibitory concentration (MIC) for Bacillus subtilis, Staphylococcus aureus, Escherichia coli, Salmonella typhimurium, Aspergillus niger, and Candida albicans were 0.042 +/- 0.008, 0.016 +/- 0.003, 0.238 +/- 0.024, 0.166 +/- 0.025, 0.101 +/- 0.021 and 0.129 +/- 0.011 mg mL(-1) of essential oil derived from treated basils with 0.2 % n[Fe-urea] foliar spraying, respectively. The results revealed that nanoparticles can provide new prospects in medicinal plant production and the improvement of pharmaceutical properties of medicinal plants.
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