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Chemical Structure| 20283-92-5 Chemical Structure| 20283-92-5

Structure of Rosmarinic acid
CAS No.: 20283-92-5

Chemical Structure| 20283-92-5

Rosmarinic acid

CAS No.: 20283-92-5

Rosmarinic acid is a naturally occurring polyphenol with antioxidative and anti-inflammatory activities.

Synonyms: Labiatenic acid; Rosemary acid; NPLC 0542

4.5 *For Research Use Only !

Cat. No.: A796919 Purity: 99%

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Aydin, Merve ; Unusan, Nurhan ; Sumlu, Esra ; Korucu, Emine Nedime ;

Abstract: Candida species, opportunistic pathogens that cause various infections, pose a significant threat due to their ability to form biofilms that resist treatments and immune responses. The increasing resistance of Candida spp. and the limited availability of effective treatments have prompted the research of natural compounds as alternative therapies. This study assessed the anti-fungal properties of against Candida species, focusing on its impact on C. albicans biofilms and the underlying mechanisms. The efficacy of was evaluated using the CLSI M27-A3 microdilution method on both fluconazole-susceptible and -resistant strains. Biofilm formation by C. albicans was assessed through a assay, while its antibiofilm activity was analyzed using an assay and field emission scanning electron microscopy (FESEM). Gene expression related to biofilm formation was studied using quantitative real-time PCR (qRT-PCR), and statistical analysis was performed with an ANOVA. Among the 28 Candida strains tested, exhibited minimum inhibitory concentration (MIC) values ranging from 160 to 1280 µg/mL. At a 640 µg/mL concentration, it significantly reduced the expression of genes associated with adhesion (ALS3, HWP1, and ECE1), hyphal development (UME6 and HGC1), and hyphal cAMP-dependent protein kinase regulators (CYR1, RAS1, and EFG1) in RAS1-cAMP-EFG1 pathway (p < 0.05). FESEM analysis revealed a reduction in hyphal networks and disruptions on the cell surface. Our study is the first to demonstrate the effects of on C. albicans adhesion, hyphae development, and biofilm formation through gene expression analysis with findings supported by FESEM. This approach distinguishes our study from previous studies on the effect of on Candida. However, the high MIC values of limit its potential. Therefore, more extensive research using innovative methods is required to increase the effect of .

Keywords: ; Candida albicans ; activity ; biofilm-related genes ; FESEM

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Scott, Jared Lee ;

Abstract: Breast cancer (BC) is the second greatest contributor to the death of women, second only to heart disease, and is the most common type of cancer. BC treatments involve the administration of adjuvant chemotherapies which often have side effects that prevent patients from completing the full course of drugs or the refusal to take these potentially lifesaving treatments. Many chemotherapy drugs are developed from plants, and some plant extracts can exhibit significant anticancer activities while also having less toxic side effects. However, these potential "plant therapeutics" suffer from poor oral bioavailability. The Apiaceae plant family consists of several species that are used as culinarily spices including anise, celery, cumin, and coriander, all of which have demonstrated antioxidant, chemopreventive, and anticancer activities. One method to improve the systemic distribution of anticancer phytochemicals is their encapsulation in naturally produced membrane bound nanoparticles known as exosomes. Exosomes are produced by most eukaryotic organisms, as well as some prokaryotes, and are involved in cell-to-cell communication through the delivery of proteins, nucleic acids, and small molecules from one cell to another. Exosomes are found in many extracellular fluids including blood, urine, and milk. Bovine milk exosomes represent a scalable source of exosomes that are already present in the human diet and have been explored as a drug delivery system that can increase effectiveness and improve bioavailability. To enhance the loading potential and anticancer bioactivity of Apiaceae phytochemicals, an acid hydrolysis (AH) of the glycoside compounds present in ethanolic spice extracts was performed on eight ethanolic spice extracts. The antiproliferative effects of AH extracts and exosomal formulations were assayed with three model types of BC cells. Cumin was characterized in greater detail as these extracts had the highest concentration of terpenoids and alkaloids while also having significant concentrations of phenolics and responded well to AH with increased antiproliferative activity and exosomal loading. Extracts and exosomal formulations exhibited broad antiproliferative effects with lower IC50s in the extracts delivered with exosomes. The phytochemical contents of AH-cumin extracts and exosomal formulations were assayed with HPLC-DAD, LC-MS/MS, and GC-MS, while the potential anticancer mechanisms of these treatments were investigated in triple negative BC (TNBC). AHcumin extracts were determined to have numerous phenolic compounds, many of which have known anticancer mechanisms, in addition to several alkaloids and lipid compounds, some of which have activities that could contribute to the anticancer effects observed. Mechanistically, AH-cumin extracts and exosomal formulations were shown to interact with multidrug resistance proteins and inhibit lipid metabolism in TNBC cells. These results indicate that acid hydrolyzed cumin extracts delivered through exosome nanoparticles represent a possible avenue towards the development of novel treatments for TNBC, the hardest type of BC to treat.

Krueger, Nadine ; Kronenberger, Thales ; Xie, Hang ; Rocha, Cheila ; Poehlmann, Stefan ; Su, Haixia , et al.

Abstract: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has forced the development of direct-acting antiviral drugs due to the coronavirus disease 2019 (COVID-19) pandemic. The main protease of SARS-CoV-2 is a crucial enzyme that breaks down polyproteins synthesized from the viral RNA, making it a validated target for the development of SARS-CoV-2 therapeutics. New chem. phenotypes are frequently discovered in natural goods. In the current study, we used a fluorogenic assay to test a variety of natural products for their ability to inhibit SARS-CoV-2 Mpro. Several compounds were discovered to inhibit Mpro at low micromolar concentrations It was possible to crystallize robinetin together with SARS-CoV-2 Mpro, and the X-ray structure revealed covalent interaction with the protease's catalytic Cys145 site. Selected potent mols. also exhibited antiviral properties without cytotoxicity. Some of these powerful inhibitors might be utilized as lead compounds for future COVID-19 research.

Keywords: COVID-19 ; antivirals ; coronavirus ; covalent drugs ; dynamic light scattering ; inhibitors ; main protease ; natural products

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Product Details of Rosmarinic acid

CAS No. :20283-92-5
Formula : C18H16O8
M.W : 360.31
SMILES Code : O=C(O)[C@H](OC(/C=C/C1=CC=C(O)C(O)=C1)=O)CC2=CC=C(O)C(O)=C2
Synonyms :
Labiatenic acid; Rosemary acid; NPLC 0542
MDL No. :MFCD00017740

Safety of Rosmarinic acid

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Isoform Comparison

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.78mL

0.56mL

0.28mL

13.88mL

2.78mL

1.39mL

27.75mL

5.55mL

2.78mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1
Protocol 2

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