Anethole

CAS# 104-46-1

Anethole

Catalog No. BCN5373----Order now to get a substantial discount!

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Quality Control of Anethole

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Chemical structure

Anethole

3D structure

Chemical Properties of Anethole

Cas No. 104-46-1 SDF Download SDF
PubChem ID 637563 Appearance Oil
Formula C10H12O M.Wt 148.2
Type of Compound Phenylpropanoids Storage Desiccate at -20°C
Synonyms Anise camphor; p-Propenylanisole; Isoestragole;4180-23-8;trans-Anethole
Solubility DMSO : ≥ 100 mg/mL (674.76 mM)
*"≥" means soluble, but saturation unknown.
Chemical Name 1-methoxy-4-[(E)-prop-1-enyl]benzene
SMILES CC=CC1=CC=C(C=C1)OC
Standard InChIKey RUVINXPYWBROJD-ONEGZZNKSA-N
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Anethole

The fruits of Foeniculum vulgare

Biological Activity of Anethole

DescriptionAnethole has antispasmodic, anti-inflammatory, cardiovascular, and gastroprotective effects. Anethole can act as the CXCR4 antagonist and as the PTEN activator which resulted to PI3K/AKT-mediated inhibition of the metastatic prostate cancer progressions. Anethole may have a potent inhibitory effect on PD through suppression of pro-inflammatory molecules, it could be a novel therapeutic strategy for Periodontitis. Anethole blocks neuronal excitability,and induces the blockade of neuromuscular transmission. trans-Anethole has insecticidal activity to adult fruit flies of Ceratitis capitata, Bactrocera dorsalis, and Bactrocera cucurbitae.
TargetscAMP | Akt | PI3K | CXCR | NF-kB | MMP(e.g.TIMP) | Antifection | PTEN | TNF-α | NO | IL Receptor
In vitro

Effects of the essential oil of Croton zehntneri and its major components, anethole and estragole, on the rat corpora cavernosa.[Pubmed: 25084123]

Life Sci. 2014 Sep 1;112(1-2):74-81.

The effects of the essential oil of Croton zehntneri (EOCz) and its major components Anethole, estragole and methyl eugenol were evaluated in phenylephrine precontracted rat corpora cavernosa (RCC).
METHODS AND RESULTS:
RCC strips were mounted in 5 ml organ baths for isometric recordings of tension, precontracted with 10 μM phenylephrine and exposed to test drugs. All major compounds relaxed RCC. The order of potency was estragole>Anethole>methyl eugenol. The maximal relaxation to EOCz and methyl eugenol was 62.67% (IC50 of 1.67 μM) and 45.8% (IC50 of 1.7 μM), respectively. Estragole relaxed RCC with an IC50 of 0.6 μM (maximal relaxation-76.6%). The maximal relaxation to estragole was significantly reduced by L-NAME (43.46%-IC50 of 1.4 μM), ODQ (53.11%-IC50 of 0.83 μM) and indomethacin (24.41%-IC50 of 1.3 μM). On the other hand, Anethole relaxed RCC by 66.73% (IC50 of 0.96 μM) and this relaxation was blunted by indomethacin (35.65%-IC50 of 1.6 μM). Both estragole and Anethole increased the relaxation achieved upon electrical stimulation. Both compounds increased the levels of cAMP (estragole by 3-fold and Anethole by 2-fold when compared to controls). Estragole also increased the levels of cGMP (0.5-fold).
CONCLUSIONS:
The higher potency of these compounds to relax corpora cavernosa smooth muscle may form the pharmacological basis for the use of such substances as leading compounds in the search of alternative treatments of erectile dysfunction.

Essential oil of Croton zehntneri and its main constituent anethole block excitability of rat peripheral nerve.[Pubmed: 25714722]

Planta Med. 2015 Mar;81(4):292-7.

Croton zehntneri is an aromatic plant native to Northeast Brazil and employed by local people to treat various diseases. The leaves of this plant have a rich content of essential oil. The essential oil of C. zehntneri samples, with Anethole as the major constituent and Anethole itself, have been reported to have several pharmacological activities such as antispasmodic, cardiovascular, and gastroprotective effects and inducing the blockade of neuromuscular transmission and antinociception. Since several works have demonstrated that essential oils and their constituents block cell excitability and in view of the multiple effects of C. zehntneri essential oil and Anethole on biological tissues, we undertook this investigation aiming to characterize and compare the effects of this essential oil and its major constituent on nerve excitability.
METHODS AND RESULTS:
Sciatic nerves of Wistar rats were used. They were mounted in a moist chamber, and evoked compound action potentials were recorded. Nerves were exposed in vitro to the essential oil of C. zehntneri and Anethole (0.1-1 mg/mL) up to 180 min, and alterations in excitability (rheobase and chronaxie) and conductibility (peak-to-peak amplitude and conduction velocity) parameters of the compound action potentials were evaluated. The essential oil of C. zehntneri and Anethole blocked, in a concentration-dependent manner with similar pharmacological potencies (IC50: 0.32 ± 0.07 and 0.22 ± 0.11 mg/mL, respectively), rat sciatic nerve compound action potentials. Strength-duration curves for both agents were shifted upward and to the right compared to the control curve, and the rheobase and chronaxie were increased following essential oil and Anethole exposure. The time courses of the essential oil of C. zehntneri and Anethole effects on peak-to-peak amplitude of compound action potentials followed an exponential decay and reached a steady state. The essential oil of C. zehntneri and Anethole caused a similar reduction in conduction velocities of the compound action potential waves investigated.
CONCLUSIONS:
In conclusion, we demonstrated here that the essential oil of C. zehntneri blocks neuronal excitability and that this effect, which can be predominantly attributable to its major constituent, Anethole, is important since these agents have several pharmacological effects likely related to the alteration of excitability. This finding is relevant due to the use of essential oils in aromatherapy and the low acute toxicity of this agent, which exhibits other effects of potential therapeutic usefulness.

Anethole induces apoptotic cell death accompanied by reactive oxygen species production and DNA fragmentation in Aspergillus fumigatus and Saccharomyces cerevisiae.[Pubmed: 24393541]

FEBS J. 2014 Feb;281(4):1304-13.

trans-Anethole (Anethole), a major component of anise oil, has a broad antimicrobial spectrum, and antimicrobial activity that is weaker than that of other antibiotics on the market.
METHODS AND RESULTS:
When combined with polygodial, nagilactone E, and n-dodecanol, Anethole has been shown to possess significant synergistic antifungal activity against a budding yeast, Saccharomyces cerevisiae, and a human opportunistic pathogenic yeast, Candida albicans. However, the antifungal mechanism of Anethole has not been completely determined. We found that Anethole stimulated cell death of a human opportunistic pathogenic fungus, Aspergillus fumigatus, in addition to S. cerevisiae. The Anethole-induced cell death was accompanied by reactive oxygen species production, metacaspase activation, and DNA fragmentation. Several mutants of S. cerevisiae, in which genes related to the apoptosis-initiating execution signals from mitochondria were deleted, were resistant to Anethole.
CONCLUSIONS:
These results suggest that Anethole-induced cell death could be explained by oxidative stress-dependent apoptosis via typical mitochondrial death cascades in fungi, including A. fumigatus and S. cerevisiae.

Insecticidal activity of basil oil, trans-anethole, estragole, and linalool to adult fruit flies of Ceratitis capitata, Bactrocera dorsalis, and Bactrocera cucurbitae.[Pubmed: 19253638 ]

J Econ Entomol. 2009 Feb;102(1):203-9.

Basil oil and its three major active constituents (trans-Anethole, estragole, and linalool) obtained from basil (Oscimum basilicum L.) were tested on three tephritid fruit fly species [Ceratitis capitata (Wiedemann), Bactrocera dorsalis (Hendel), and Bactrocera cucurbitae (Coquillett)] for insecticidal activity.
METHODS AND RESULTS:
All test chemicals acted fast and showed a steep dose-response relationship. The lethal times for 90% mortality/knockdown (LT90) of the three fly species to 10% of the test chemicals were between 8 and 38 min. The toxic action of basil oil in C. capitata occurred significantly faster than in B. cucurbitae but slightly faster than in B. dorsalis. Estragole acted faster in B. dorsalis than in C. capitata and B. cucurbitae. Linalool action was faster in B. dorsalis and C. capitata than in B. cucurbitae. trans-Anethole action was similar to all three species. Methyl eugenol acted faster in C. capitata and B. cucurbitae than in B. dorsalis. When linalool was mixed with cuelure (attractant to B. cucurbitae male), its potency to the three fly species decreased as the concentration of cuelure increased. This was due to linalool hydrolysis catalyzed by acetic acid from cuelure degradation, which was confirmed by chemical analysis.
CONCLUSIONS:
When methyl eugenol (B. dorsalis male attractant) was mixed with basil oil, trans-Anethole, estragole, or linalool, it did not affect the toxicity of basil oil and linalool to B. dorsalis, but it did significantly decrease the toxicity of trans-Anethole and estragole. Structural similarity between methyl eugenol and trans-Anethole and estragole suggests that methyl eugenol might act at a site similar to that of trans-Anethole and estragole and serve as an antagonist if an action site exists. Methyl eugenol also may play a physiological role on the toxicity reduction.

In vivo

Anti-inflammatory effects of anethole in lipopolysaccharide-induced acute lung injury in mice.[Pubmed: 24404587]

Life Sci. 2013 Dec 5;93(24):955-61.

Anethole, the major component of the essential oil of star anise, has been reported to have antioxidant, antibacterial, antifungal, anti-inflammatory, and anesthetic properties. In this study, we investigated the anti-inflammatory effects of Anethole in a mouse model of acute lung injury induced by lipopolysaccharide (LPS).
METHODS AND RESULTS:
BALB/C mice were intraperitoneally administered Anethole (62.5, 125, 250, or 500 mg/kg) 1 h before intratracheal treatment with LPS (1.5 mg/kg) and sacrificed after 4 h. The anti-inflammatory effects of Anethole were assessed by measuring total protein and cell levels and inflammatory mediator production and by histological evaluation and Western blot analysis. LPS significantly increased total protein levels; numbers of total cells, including macrophages and neutrophils; and the production of inflammatory mediators such as matrix metalloproteinase 9 (MMP-9), tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and nitric oxide (NO) in bronchoalveolar lavage fluid. Anethole (250 mg/kg) decreased total protein concentrations; numbers of inflammatory cells, including neutrophils and macrophages; and the inflammatory mediators MMP-9, TNF-α and NO. In addition, pretreatment with Anethole decreased LPS-induced histopathological changes. The anti-inflammatory mechanism of Anethole in LPS-induced acute lung injury was assessed by investigating the effects of Anethole on NF-κB activation. Anethole suppressed the activation of NF-κB by blocking IκB-α degradation.
CONCLUSIONS:
These results, showing that Anethole prevents LPS-induced acute lung inflammation in mice, suggest that Anethole may be therapeutically effective in inflammatory conditions in humans.

Protocol of Anethole

Kinase Assay

CXCR4 and PTEN are involved in the anti-metastatic regulation of anethole in DU145 prostate cancer cells.[Pubmed: 24525130]

Biochem Biophys Res Commun. 2014 May 16;447(4):557-62.

Anethole has been known to have chemopreventive activities as a suppressor of the incidence and multiplicity of both invasive and noninvasive carcinomas. The goal of this study was to understand the anti-metastatic effect of Anethole through C-X-C chemokine receptor type 4 (CXCR4)/tumor suppressor phosphatase and tensin homologue (PTEN) axis in DU145 prostate cancer cells.
METHODS AND RESULTS:
Anethole reduced both of the RNA level and the protein level of CXCR4 in a dose-dependent manner without cytotoxicity. Anethole also reduced the expression of CXCR4 and prolonged the expression of PTEN in DU145 prostate cancers. The phosphorylation of AKT and phosphatidylinositol-3kinase (PI3K) were decreased with Anethole. The inhibition metastatic effect of Anethole was arisen from down-regulating CXCR4 and up-regulating PTEN. Morphologically, Anethole significantly inhibited the invasion of DU145 cell and down-regulated the activities of matrix-metalloproteinase (MMPs) in a dose-dependent manner. However, Anethole didnot decrease the phosphorylation of PI3K and AKT while PTEN was silenced. Furthermore, the CXCR4 inhibition of Anethole was not caused to proteasomal or lysosomal of CXCR4.
CONCLUSIONS:
Taken together, Anethole demonstrated to act as the CXCR4 antagonist and as the PTEN activator which resulted to PI3K/AKT-mediated inhibition of the metastatic prostate cancer progressions.

Anethole Dilution Calculator

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Preparing Stock Solutions of Anethole

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 6.7476 mL 33.7382 mL 67.4764 mL 134.9528 mL 168.691 mL
5 mM 1.3495 mL 6.7476 mL 13.4953 mL 26.9906 mL 33.7382 mL
10 mM 0.6748 mL 3.3738 mL 6.7476 mL 13.4953 mL 16.8691 mL
50 mM 0.135 mL 0.6748 mL 1.3495 mL 2.6991 mL 3.3738 mL
100 mM 0.0675 mL 0.3374 mL 0.6748 mL 1.3495 mL 1.6869 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on Anethole

Anethole is a type of aromatic compound that occurs widely in nature, widely used as a flavoring substance.

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References on Anethole

Quorum-sensing inhibitor potential of trans-anethole aganist Pseudomonas aeruginosa.[Pubmed:29694695]

J Appl Microbiol. 2018 Sep;125(3):731-739.

AIMS: Quorum sensing (QS) is a cell-cell communication system used by a broad spectrum of pathogenic bacteria to control the expression of their virulence genes. The interruption of QS systems of pathogenic bacteria has been considered as a novel way to fight bacterial diseases. In this study, trans-Anethole, the main component of anise (Pimpinella anisum) oil was examined for its QS inhibitor (QSI) potential in an attempt to identify novel QSI compound effective against opportunistic pathogen Pseudomonas aeruginosa. METHODS AND RESULTS: The preliminary screening of QSI capacity of trans-Anethole was determined using a quorum-sensing inhibitor screen (QSIS) assay. The QSIS assay indicated that trans-Anethole has QSI properties. QSI capacity of trans-Anethole was further confirmed by lasB-gfp fussion assay and virulence factor assays. A sub-MIC of trans-Anethole reduced the expression of lasB by 57%, elastase production by 59%, protease production by 56%, pyocyanin production by 95% and swarming motility by 68% without inhibiting growth of Pseudomonas aeruginosa PA01. Molecular docking and protein-ligand interaction studies were performed to understand the molecular mechanism underlying inhibitory activity of trans-Anethole. The results of these analysis suggested that trans-Anethole fits within the binding site of the LasR protein of P. aeruginosa. CONCLUSION: Trans-Anethole has the potential to inhibit QS-regulated virulence factors in P. aeruginosa by binding to LasR protein, similar to its natural ligand N-(3-oxododecanoyl)-l-homoserine lactone. SIGNIFICANCE AND IMPACT OF THE STUDY: In this study, for the first time, it was demonstrated that trans-Anethole has the potential to disrupt bacterial communication and can be developed as a novel QSI to combat with P. aeruginosa and other clinically significant pathogens.

Chemoreception of botanical nematicides by Meloidogyne incognita and Caenorhabditis elegans.[Pubmed:29708833]

J Environ Sci Health B. 2018 Aug 3;53(8):493-502.

Plant-parasitic nematodes, such as Meloidogyne incognita, cause serious damage to various agricultural crops worldwide, and their control necessitates environmentally safe measures. We have studied the effects of plant secondary metabolites on M. incognita locomotion, as it is an important factor affecting host inoculation inside the soil. We compared the effects to the respective behavioral responses of the model saprophytic nematode Caenorhabditis elegans. The tested botanical nematicides, all reported to be active against Meloidogyne sp. in our previous works, are small molecular weight molecules (acids, alcohols, aldehydes, and ketones). Here, we specifically report on the attractant or repellent properties of trans-Anethole, (E,E)-2,4-decadienal, (E)-2-decenal, fosthiazate, and 2-undecanone. The treatments for both nematode species were made at sublethal concentration levels, namely, 1 mM (Anethole, decenal, and oxamyl attract C. elegans, while 2-undecanone strongly attracts M. incognita. These findings can be of use in the development of nematicidal formulations, contributing to the disruption of nematode chemotaxis to root systems.

CXCR4 and PTEN are involved in the anti-metastatic regulation of anethole in DU145 prostate cancer cells.[Pubmed:24525130]

Biochem Biophys Res Commun. 2014 May 16;447(4):557-62.

Anethole has been known to have chemopreventive activities as a suppressor of the incidence and multiplicity of both invasive and noninvasive carcinomas. The goal of this study was to understand the anti-metastatic effect of Anethole through C-X-C chemokine receptor type 4 (CXCR4)/tumor suppressor phosphatase and tensin homologue (PTEN) axis in DU145 prostate cancer cells. Anethole reduced both of the RNA level and the protein level of CXCR4 in a dose-dependent manner without cytotoxicity. Anethole also reduced the expression of CXCR4 and prolonged the expression of PTEN in DU145 prostate cancers. The phosphorylation of AKT and phosphatidylinositol-3kinase (PI3K) were decreased with Anethole. The inhibition metastatic effect of Anethole was arisen from down-regulating CXCR4 and up-regulating PTEN. Morphologically, Anethole significantly inhibited the invasion of DU145 cell and down-regulated the activities of matrix-metalloproteinase (MMPs) in a dose-dependent manner. However, Anethole didnot decrease the phosphorylation of PI3K and AKT while PTEN was silenced. Furthermore, the CXCR4 inhibition of Anethole was not caused to proteasomal or lysosomal of CXCR4. Taken together, Anethole demonstrated to act as the CXCR4 antagonist and as the PTEN activator which resulted to PI3K/AKT-mediated inhibition of the metastatic prostate cancer progressions.

Insecticidal activity of basil oil, trans-anethole, estragole, and linalool to adult fruit flies of Ceratitis capitata, Bactrocera dorsalis, and Bactrocera cucurbitae.[Pubmed:19253638]

J Econ Entomol. 2009 Feb;102(1):203-9.

Basil oil and its three major active constituents (trans-Anethole, estragole, and linalool) obtained from basil (Oscimum basilicum L.) were tested on three tephritid fruit fly species [Ceratitis capitata (Wiedemann), Bactrocera dorsalis (Hendel), and Bactrocera cucurbitae (Coquillett)] for insecticidal activity. All test chemicals acted fast and showed a steep dose-response relationship. The lethal times for 90% mortality/knockdown (LT90) of the three fly species to 10% of the test chemicals were between 8 and 38 min. The toxic action of basil oil in C. capitata occurred significantly faster than in B. cucurbitae but slightly faster than in B. dorsalis. Estragole acted faster in B. dorsalis than in C. capitata and B. cucurbitae. Linalool action was faster in B. dorsalis and C. capitata than in B. cucurbitae. trans-Anethole action was similar to all three species. Methyl eugenol acted faster in C. capitata and B. cucurbitae than in B. dorsalis. When linalool was mixed with cuelure (attractant to B. cucurbitae male), its potency to the three fly species decreased as the concentration of cuelure increased. This was due to linalool hydrolysis catalyzed by acetic acid from cuelure degradation, which was confirmed by chemical analysis. When methyl eugenol (B. dorsalis male attractant) was mixed with basil oil, trans-Anethole, estragole, or linalool, it did not affect the toxicity of basil oil and linalool to B. dorsalis, but it did significantly decrease the toxicity of trans-Anethole and estragole. Structural similarity between methyl eugenol and trans-Anethole and estragole suggests that methyl eugenol might act at a site similar to that of trans-Anethole and estragole and serve as an antagonist if an action site exists. Methyl eugenol also may play a physiological role on the toxicity reduction.

Essential oil of Croton zehntneri and its main constituent anethole block excitability of rat peripheral nerve.[Pubmed:25714722]

Planta Med. 2015 Mar;81(4):292-7.

Croton zehntneri is an aromatic plant native to Northeast Brazil and employed by local people to treat various diseases. The leaves of this plant have a rich content of essential oil. The essential oil of C. zehntneri samples, with Anethole as the major constituent and Anethole itself, have been reported to have several pharmacological activities such as antispasmodic, cardiovascular, and gastroprotective effects and inducing the blockade of neuromuscular transmission and antinociception. Since several works have demonstrated that essential oils and their constituents block cell excitability and in view of the multiple effects of C. zehntneri essential oil and Anethole on biological tissues, we undertook this investigation aiming to characterize and compare the effects of this essential oil and its major constituent on nerve excitability. Sciatic nerves of Wistar rats were used. They were mounted in a moist chamber, and evoked compound action potentials were recorded. Nerves were exposed in vitro to the essential oil of C. zehntneri and Anethole (0.1-1 mg/mL) up to 180 min, and alterations in excitability (rheobase and chronaxie) and conductibility (peak-to-peak amplitude and conduction velocity) parameters of the compound action potentials were evaluated. The essential oil of C. zehntneri and Anethole blocked, in a concentration-dependent manner with similar pharmacological potencies (IC50: 0.32 +/- 0.07 and 0.22 +/- 0.11 mg/mL, respectively), rat sciatic nerve compound action potentials. Strength-duration curves for both agents were shifted upward and to the right compared to the control curve, and the rheobase and chronaxie were increased following essential oil and Anethole exposure. The time courses of the essential oil of C. zehntneri and Anethole effects on peak-to-peak amplitude of compound action potentials followed an exponential decay and reached a steady state. The essential oil of C. zehntneri and Anethole caused a similar reduction in conduction velocities of the compound action potential waves investigated. In conclusion, we demonstrated here that the essential oil of C. zehntneri blocks neuronal excitability and that this effect, which can be predominantly attributable to its major constituent, Anethole, is important since these agents have several pharmacological effects likely related to the alteration of excitability. This finding is relevant due to the use of essential oils in aromatherapy and the low acute toxicity of this agent, which exhibits other effects of potential therapeutic usefulness.

Effects of the essential oil of Croton zehntneri and its major components, anethole and estragole, on the rat corpora cavernosa.[Pubmed:25084123]

Life Sci. 2014 Sep 1;112(1-2):74-81.

AIMS: The effects of the essential oil of Croton zehntneri (EOCz) and its major components Anethole, estragole and methyl eugenol were evaluated in phenylephrine precontracted rat corpora cavernosa (RCC). MAIN METHODS: RCC strips were mounted in 5 ml organ baths for isometric recordings of tension, precontracted with 10 muM phenylephrine and exposed to test drugs. KEY FINDINGS: All major compounds relaxed RCC. The order of potency was estragole>Anethole>methyl eugenol. The maximal relaxation to EOCz and methyl eugenol was 62.67% (IC50 of 1.67 muM) and 45.8% (IC50 of 1.7 muM), respectively. Estragole relaxed RCC with an IC50 of 0.6 muM (maximal relaxation-76.6%). The maximal relaxation to estragole was significantly reduced by L-NAME (43.46%-IC50 of 1.4 muM), ODQ (53.11%-IC50 of 0.83 muM) and indomethacin (24.41%-IC50 of 1.3 muM). On the other hand, Anethole relaxed RCC by 66.73% (IC50 of 0.96 muM) and this relaxation was blunted by indomethacin (35.65%-IC50 of 1.6 muM). Both estragole and Anethole increased the relaxation achieved upon electrical stimulation. Both compounds increased the levels of cAMP (estragole by 3-fold and Anethole by 2-fold when compared to controls). Estragole also increased the levels of cGMP (0.5-fold). SIGNIFICANCE: The higher potency of these compounds to relax corpora cavernosa smooth muscle may form the pharmacological basis for the use of such substances as leading compounds in the search of alternative treatments of erectile dysfunction.

Anti-inflammatory effects of anethole in lipopolysaccharide-induced acute lung injury in mice.[Pubmed:24404587]

Life Sci. 2013 Dec 5;93(24):955-61.

AIMS: Anethole, the major component of the essential oil of star anise, has been reported to have antioxidant, antibacterial, antifungal, anti-inflammatory, and anesthetic properties. In this study, we investigated the anti-inflammatory effects of Anethole in a mouse model of acute lung injury induced by lipopolysaccharide (LPS). MAIN METHODS: BALB/C mice were intraperitoneally administered Anethole (62.5, 125, 250, or 500 mg/kg) 1 h before intratracheal treatment with LPS (1.5 mg/kg) and sacrificed after 4 h. The anti-inflammatory effects of Anethole were assessed by measuring total protein and cell levels and inflammatory mediator production and by histological evaluation and Western blot analysis. KEY FINDINGS: LPS significantly increased total protein levels; numbers of total cells, including macrophages and neutrophils; and the production of inflammatory mediators such as matrix metalloproteinase 9 (MMP-9), tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and nitric oxide (NO) in bronchoalveolar lavage fluid. Anethole (250 mg/kg) decreased total protein concentrations; numbers of inflammatory cells, including neutrophils and macrophages; and the inflammatory mediators MMP-9, TNF-alpha and NO. In addition, pretreatment with Anethole decreased LPS-induced histopathological changes. The anti-inflammatory mechanism of Anethole in LPS-induced acute lung injury was assessed by investigating the effects of Anethole on NF-kappaB activation. Anethole suppressed the activation of NF-kappaB by blocking IkappaB-alpha degradation. SIGNIFICANCE: These results, showing that Anethole prevents LPS-induced acute lung inflammation in mice, suggest that Anethole may be therapeutically effective in inflammatory conditions in humans.

Anethole induces apoptotic cell death accompanied by reactive oxygen species production and DNA fragmentation in Aspergillus fumigatus and Saccharomyces cerevisiae.[Pubmed:24393541]

FEBS J. 2014 Feb;281(4):1304-13.

trans-Anethole (Anethole), a major component of anise oil, has a broad antimicrobial spectrum, and antimicrobial activity that is weaker than that of other antibiotics on the market. When combined with polygodial, nagilactone E, and n-dodecanol, Anethole has been shown to possess significant synergistic antifungal activity against a budding yeast, Saccharomyces cerevisiae, and a human opportunistic pathogenic yeast, Candida albicans. However, the antifungal mechanism of Anethole has not been completely determined. We found that Anethole stimulated cell death of a human opportunistic pathogenic fungus, Aspergillus fumigatus, in addition to S. cerevisiae. The Anethole-induced cell death was accompanied by reactive oxygen species production, metacaspase activation, and DNA fragmentation. Several mutants of S. cerevisiae, in which genes related to the apoptosis-initiating execution signals from mitochondria were deleted, were resistant to Anethole. These results suggest that Anethole-induced cell death could be explained by oxidative stress-dependent apoptosis via typical mitochondrial death cascades in fungi, including A. fumigatus and S. cerevisiae.

Antimicrobial, antioxidant and sensory features of eugenol, carvacrol and trans-anethole in active packaging for organic ready-to-eat iceberg lettuce.[Pubmed:29680052]

Food Chem. 2018 Sep 1;259:251-260.

In this study, bio-based emitting sachets containing eugenol (EUG), carvacrol (CAR) and trans-Anethole (ANT) were inserted into cellulose (CE) and polypropylene (PP) pillow packages of organic ready-to-eat (RTE) iceberg lettuce to investigate their functional features. EUG, CAR and ANT sachets in CE; and CAR in PP packages showed antimicrobial activities against coliforms (Deltalog CFU g(-1) of -1.38, -0.91, -0.93 and -0.93, respectively). EUG and ANT sachets in both packages reduced discoloration (DeltaE of 9.5, 1.8, 9.4 and 5.6, respectively). ANT in both, and EUG only in PP packages induced biosynthesis of caffeoyl derivatives (CaTA, DiCaTA, DiCaQA), total phenolics and antioxidant activity (FRAP). Also, ANT and EUG in both packages improved overall freshness and odor. Principal component analysis separated ANT and EUG from CAR in both packages. The Pearson correlation confirmed that overall quality improvements were more pronounced by ANT inside the packages in comparison to EUG and CAR.

Description

Anethole is a type of aromatic compound that occurs widely in nature, widely used as a flavoring substance.

Keywords:

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