期刊
AGRONOMY-BASEL
卷 12, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/agronomy12030735
关键词
DPPH; vapor phase; antimicrobial; in situ; Citrus aurantifolia
资金
- VEGA [1/0180/20, APVV-20-0058]
- The potential of the essential oils from aromatic plants for medical use
The study evaluated the biological activity of Citrus aurantifolia essential oil, including antioxidant, antimicrobial, and insecticidal activity. The results showed high antioxidant and antimicrobial activity, suggesting that the oil could be used to store and extend the shelf life of agricultural products. Additionally, it demonstrated insecticidal properties, indicating its potential as a natural insecticide, larvicide, or repellent preparation.
The primary objective of the study was to evaluate the biological activity of Citrus aurantifolia essential oil (CAEO) with emphasis on antioxidant, antimicrobial, and insecticidal activity, chemical composition, and the antimicrobial effect of its vapor phase in situ on various food models. We determined the main volatile components of CAEO as alpha-phellandrene (48.5%) and p-cymene (16.5%). The antioxidant activity was high and reached 74.5 +/- 0.5%, which corresponds to 442 +/- 2.3 TEAC. The antimicrobial activity in the contact phase was most pronounced against Gram-negative bacteria, with inhibition zones of 12.66-15.33 mm and a minimal inhibition concentration of 2.36-8.26 mu L/mL. The antimicrobial activity of the CAEO vapor phase was high at the highest concentration tested (500 mu L/mL), but the inhibitory effect was seen at all concentrations tested. The effect was observed on all types of microorganisms and all types of model foods. Based on the findings, CAEO could find use in storing and extending the shelf life of agricultural products. Insecticidal activity reached 10-90% depending on the concentration used. The significant insecticidal effect provides the possibility of using CAEO as a natural insecticidal, larvicidal, or repellent preparation.
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