Antibacterial activity of essential oils against Stenotrophomonas maltophilia and the effect of citral on cell membrane

Zhang, Yuxiang; Wei, Jianping; Chen, Hong; Song, Zihan; Guo, Hong; Yuan, Yahong; Yue, Tianli

doi:10.1016/j.lwt.2019.108667

Cited by 42 publications

(23 citation statements)

References 43 publications

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“…LCEO has potential antimicrobial properties [57][58][59]. According to previous studies, LCEO performed the greatest bacteriostatic effect against S. maltophilia [12]. In addition, the antimicrobial effects of LCEO against other pathogens such as cariogenic bacteria and Aspergillus flavus also have been previously reported [5,60].…”

Section: Discussionmentioning

confidence: 88%

“…LCEO has been extensively applied as edible food additives or cosmetic flavoring agents [10], and it is also a raw material of extracting citral, vitamin A, E, K, and ionone [11]. Moreover, LCEO possesses good antibacterial activities against a broad range of foodborne pathogens [12][13][14]. However, applying LCEO for food preservatives is limited because of their poor water solubility, high volatility in natural ambient temperature conditions, and sensitivity to oxidative decomposition [15,16].…”

Section: Introductionmentioning

confidence: 99%

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β-Cyclodextrin Inclusion Complex Containing Litsea cubeba Essential Oil: Preparation, Optimization, Physicochemical, and Antifungal Characterization

et al. 2020

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Litsea cubeba essential oil (LCEO), as naturally plant-derived products, possess good antimicrobial activities against many pathogens, but their high volatility and poor water solubility limit greatly the application in food industry. In this research, inclusion complex based on β-cyclodextrin (β-CD) and LCEO, was prepared by saturated aqueous solution method. An optimum condition using the response surface methodology (RSM) based on Box–Behnken design (BBD) was obtained with the inclusion time of 2 h and β-CD/LCEO ratio of 4.2 at 44 °C. Under the condition, the greatest yield of 71.71% with entrapment efficiency of 33.60% and loading capacity of 9.07% was achieved. In addition, the structure and characteristic of LCEO/β-CD inclusion complex (LCEO/βCD-IC) were investigated using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR), which indicated that LCEO/βCD-IC was successfully formed. The particle size of LCEO/βCD-IC was determined to be 17.852 μm. Thermal properties of LCEO/βCD-IC evaluated by thermogravimetric-differential scanning calorimetry (TG-DTA) illustrated better thermal stability of the aimed product compared with the physical mixture. Furthermore, the tests of antifungal activity showed that LCEO/βCD-IC was able to control the growth of Penicillium italicum, Penicillium digitatum, and Geotrichum citri-aurantii isolated from postharvest citrus. Our present study confirmed that LCEO/βCD-IC might be further applied as an alternative to chemical fungicides for protecting citrus fruit from postharvest disease.

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Section: Discussionmentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

β-Cyclodextrin Inclusion Complex Containing Litsea cubeba Essential Oil: Preparation, Optimization, Physicochemical, and Antifungal Characterization

et al. 2020

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“…The cell membrane plays a crucial role in maintaining cell balance, material exchange and energy transfer. Once the integrity of the cell membrane is destroyed, a series of reactions, such as changes in membrane permeability and dissolution of intracellular substances, will accelerate the inactivation of the cell [23]. Therefore, the damage of citral to mould is mainly through changing the cell shape, destroying the 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 royalsocietypublishing.org/journal/rsos R. Soc.…”

Section: Effects Of Citral On Cellular Structures Of Bamboo Mouldmentioning

confidence: 99%

Inhibition mechanism and antibacterial activity of natural antibacterial agent citral on bamboo mould and its anti-mildew effect on bamboo

Zhang

et al. 2021

R. Soc. open sci.

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Bamboo, a natural material, has been widely used in the fields of decoration, architecture and furniture. However, bamboo is easy to mildew and lose its use value. In this paper, the inhibition mechanism and antibacterial activity of a natural antibacterial agent citral on bamboo mould and its anti-mildew effect on bamboo were studied. The results showed that citral could change the shape of mycelium, destroy the integrity of mycelium structure, cell wall and cell membrane structure, thereby causing leakage of nucleic acids, proteins and other substances in the cell, as well as destroy the pH balance of the inside and outside of the cell, to inhibit or kill mould. When the concentration of citral is 100 mg ml −1 , the antibacterial rates of citral against Penicillium citrinum (PC), Trichoderma viride (TV), Aspergillus niger (AN) and a hybrid fungi group comprising PC, TV and AN (Hun) were more than 100%. However, compared with the direct effect of citral on mould, the antibacterial property of bamboo treated with citral was significantly reduced, the mildew proof effect can be achieved only if the concentration of citral to treat bamboo is increased to more than twice the concentration of citral directly acting on mould.

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“…Citral, as well as essential oils containing citral and other terpenes, have been widely used in traditional medicine for the treatment of different infections, given their antimicrobial activity [5,6]. Recently, Zhang et al (2020) [7] studied the antibacterial activity of seven essential oils that were obtained from Litsea cubeba, Rosemary, Citronella, Lavander, Spikenard, separation was performed on a VF-Wax 60 m × 0.25 mm i.d., 0.5 µm film thickness column (Agilent). The following temperature program was used: 40 • C kept for 4 min., increased to 150 • C at a rate of 5.0 • C/min., kept for 3 min.…”

Section: Introductionmentioning

confidence: 99%

Comparison between Citral and Pompia Essential Oil Loaded in Phospholipid Vesicles for the Treatment of Skin and Mucosal Infections

et al. 2020

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Citrus species extracts are well known sources of bio-functional compounds with health-promoting effects. In particular, essential oils are known for their antibacterial activity due to the high content of terpenes. In this work, the steam-distilled essential oil from the leaves of Citrus limon var. pompia was loaded in phospholipid vesicles. The physico-chemical characteristics of the essential oil loaded vesicles were compared with those of vesicles that were loaded with citral, which is one of the most abundant terpenes of Citrus essential oils. The biocompatibility of the vesicles was assessed in vitro in human keratinocytes. Furthermore, the antimicrobial activity of the vesicles was tested while using different bacterial strains and a yeast: Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Candida albicans, respectively. The vesicles were small in size (~140 nm), slightly polydispersed (PI~0.31), highly negatively charged (~−73 mV), and able to incorporate high amounts of essential oil or citral (E%~86%). Pompia essential oil and citral exhibited antimicrobial activity against all of the assayed microorganisms, with P. aeruginosa being the least sensitive. Citral was slightly more effective than pompia essential oil against E. coli, S. aureus, and C. albicans. The incorporation of citral in vesicles improved its antifungal activity against C. albicans.

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Antibacterial activity of essential oils against Stenotrophomonas maltophilia and the effect of citral on cell membrane

Cited by 42 publications

References 43 publications

β-Cyclodextrin Inclusion Complex Containing Litsea cubeba Essential Oil: Preparation, Optimization, Physicochemical, and Antifungal Characterization

β-Cyclodextrin Inclusion Complex Containing Litsea cubeba Essential Oil: Preparation, Optimization, Physicochemical, and Antifungal Characterization

Inhibition mechanism and antibacterial activity of natural antibacterial agent citral on bamboo mould and its anti-mildew effect on bamboo

Comparison between Citral and Pompia Essential Oil Loaded in Phospholipid Vesicles for the Treatment of Skin and Mucosal Infections

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