07/07/2018 / By Michelle Simmons
The crimson bottlebrush (Callistemon citrinus [Curtis] Skeels) contains high concentrations of phenolic compounds that can inhibit bacterial growth, a study published in the journal BMC Complementary and Alternative Medicine confirmed.
In the study, a team of researchers from the University of Fort Hare in South Africa looked into the essential constituents of the volatile oils obtained from the leaves, flowers, and stems of the plant. To extract the oils, the research team subjected a portion of 500 grams (g) of leaves, 250 g of flowers, and 150 g of stems of crimson bottlebrush to a hydro-distillation process for three hours.
After obtaining the oils, they conducted a gas chromatography-mass spectrometry (GC-MS) analysis. In addition, they assessed the plant’s antioxidant activity, free radical scavenging, phenolic content, and the antibacterial potential of the oils.
Based on the analyses, the oil obtained from the leaves contained 26 components representing 96.84 percent of its total components, 42 components in the flowers’ oil amounting to 98.92 percent of the total oil composition, and 10 components in the oil extracted from the stems representing 99.98 percent of the overall oil constituents. The compounds with the highest amounts found in the leaf, flower, and stem oils were eucalyptol and α-terpineol, (−)-bornyl-acetate and eucalyptol, and eucalyptol and α-pinene, respectively.
The research team also evaluated the inhibitory effects of the oils from the plant’s leaves and flowers and discovered that both oils can inhibit the gram-negative bacteria Vibro alginolyticus DSM 2171 and Aeromonas hydrophila ACC and the gram-positive bacterium Staphylococcal enteritis ACC.
The findings of the study indicated that the volatile oil of crimson bottlebrush contains high-quality antioxidant properties, which can potentially be more effective than synthetic antioxidant drugs on the market.
The researchers concluded that the leaves and flowers of crimson bottlebrush contain a substantial amount of the phenolic compounds and can prevent the growth of certain bacterial strains.
Listed below are other herbal plants that contain antibacterial properties:
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Tagged Under: alternative medicine, antibacterial, antibacterial herbs, antioxidant, bacteria, crimson bottlebrush, herbal medicine, Herbs, naturalhealth, volatile oil