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Chemical Composition and Bioactivity of Essential Oil of Ten Species. | LitMetric

Chemical Composition and Bioactivity of Essential Oil of Ten Species.

Molecules

Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.

Published: October 2020

AI Article Synopsis

  • Antibiotics have been banned as feed additives since 1986, creating a need for safe alternatives, with essential oils (EOs) from plants being a promising option due to their bioactivity.
  • Ten different essential oils were extracted and analyzed, leading to the identification of 123 chemical compounds, including various active organic substances.
  • Certain EOs demonstrated strong antioxidant and antibacterial properties, suggesting they could be developed as effective feed additives in place of traditional antibiotics.

Article Abstract

Using antibiotics as feed additives have been successively banned worldwide from 1986; therefore, it is an urgent task to finding safe and effective alternatives. As natural products of plant origin, essential oils (EOs) are an outstanding option due to their reported bioactivity. In this research, ten EOs of species were extracted by steam distillation and its chemical constituents were identified by gas chromatography-mass spectrometry (GC-MS). A total of 123 chemical compounds, including alkenes, phenols, aldehydes and ketones, were identified. The results of antioxidant activity carried out through DPPH free radical scavenging (DPPH) and ferric reducing antioxidant power (FRAP), showing that EOs of Linn. (ObEO), Ronn. (TmEO), Linn. (OvEO) and Maxim. (McEO) have strong antioxidant activities. Their 50%-inhibitory concentration (IC) value was <1.00, 1.42, 1.47 and 1.92 μg/mL, respectively; and their FRAP value was 1536.67 ± 24.22, 271.84 ± 4.93, 633.71 ± 13.14 and 480.66 ± 29.90, respectively. The results of filter paper diffusion showing that McEO, OvEO and TmEO inhibition zone diameter (IZD) are all over 30 mm. The results of two-fold dilution method showed that McEO, OvEO and TmEO have strong antibacterial activities against and their minimal inhibitory concentrations (MIC) value was 1 μL/mL, 2 μL/mL, and 2 μL/mL, respectively. In conclusion, the results in this work demonstrate the possibility for development and application of EOs as potential feed additives.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7587947PMC
http://dx.doi.org/10.3390/molecules25204862DOI Listing

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